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SOLDERED DEBO RTC - Developer boards - Real-time clock - RTC, PCF85063A

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The RTC (Real Time Clock) is a device that tracks time and date accurately and precisely. Due to its high precision, it is better suited for long-term time tracking than the clocks on microcontrollers.

compatible with Arduino (or a compatible board such as Dasduino)
extremely low power consumption
integrated battery holder
alarm function and interrupt pin
uninterrupted time tracking even in the event of a power failure

The RTC (Real Time Clock) is characterized by its high accuracy, which makes it particularly suitable for applications where long-term time tracking is required. It is compatible with Arduino (or a compatible board such as Dasduino) and can be operated with extremely low power consumption. Thanks to the integrated battery holder, time tracking is maintained even in the event of a power failure. The alarm function and interrupt pin allow a microcontroller to go into sleep mode and only be reactivated when an alarm is triggered by the RTC.

The built-in battery holder (battery not included) ensures that real-time tracking is not affected even in the event of a power failure.

Technical data

Communication: I2C
RTC IC: PCF85063A
Voltage: 0.9 V ... 5,5 V
easyC/Qwiic compatibility
Dimensions: 38 x 22 mm

The RTC offers a precise and reliable solution for long-term time tracking in applications that require accurate time recording. It is compatible with common microcontroller boards and ensures efficient and continuous time tracking thanks to its low power consumption and alarm function.

easyC
easyC is a robust connection system that optimizes the connection using JST-SH compatible connectors (JST 4-pin) of microcontrollers, sensors and actuators. It offers solderless connections, serial connections of multiple devices (daisy-chaining), error-free design, parallel connection, universal compatibility and intermediate compatibility with Qwiic (Sparkfun connection system), simplifying prototype development. Further information on easyC can be found under ''Data sheets''.

External links
https://github.com/SolderedElectronics/Soldered-PCF85063A-RTC-Module-Arduino-Library

EAN: 0732388671908
Delivery Cost: 9.95 EUR
Availability: in stock
Delivery Time: 4-5 business days
Condition: new

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Comparison of Similar Products

SOLDERED DEBO MICROSD 4 - Developer boards - Breakout board for MicroSD cards 14.07 EUR The microSD card module offers a practical solution for expanding the storage capacity of Arduino projects by using SPI communication. This allows users to store various types of data on the microSD card, including data logs and reading information from the card.

enables data to be stored on a microSD card via SPI communication
compatible with Arduino and other microcontrollers that support SPI
ideal for creating data logs or storing user-defined data
easy integration into existing projects
enables the reading of stored information from the microSD card

Using this module significantly extends the functionality of any Arduino-based project by providing a robust and reliable method of data storage. This is particularly valuable in applications where data needs to be collected and analyzed over extended periods of time, such as weather stations, environmental monitoring or in various IoT applications. The easy installation and broad support of different microSD card formats increase the flexibility and adaptability of the module.

Technical data

Voltage: 5 V (3.3 V regulator on the board)
Communication: SPI
Max. capacity of the SD card: 32 GB
Dimensions: 38 mm x 22 mm

Conclusion: The microSD card module is an excellent choice for Arduino developers who need additional storage options or want to handle large amounts of data in their projects. It offers a simple and effective solution for expanding the storage capacity and improving the data management capabilities of microcontroller-based systems.

External links
https://github.com/SolderedElectronics/Soldered-SdFat-Arduino-Library
https://github.com/SolderedElectronics/MicroSD-breakout-hardware-design

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JOY-IT DEBO LCD 20X4 - Developer Boards - Display LCD 20x4, HD44780 17.81 EUR 20x4 LCD module with 16 pin header

This 20x4 character LCD is best suited for your project.
It works with the common HD44780 controller chip and has a green backlight.
It has a 16 pin connector and can be used as a built-in or plug-on display. For this purpose, a corresponding solderable pin header is included in the scope of delivery.

Specifications
• Display size: 20 characters x 4 lines
• supply voltage: 4.7 - 5.3 V
• logic level: 5 V
• LCD controller: HD44780
• backlight: 5V DC LED backlight
• green backlight
• 16-pin pin header
• dimensions (LxWxH): 98,3 x 60 x 14 mm

Scope of delivery
• 20x4 LCD module
• 16 pin male header

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SOLDERED DEBO LED PIXEL - Developer boards - LED, Pixel, WS2812B 10.83 EUR The small LEDs, which have an integrated circuit (IC) of type WS2812, offer remarkable functionality by being able to light up in up to 16 million colors. Each of these LEDs can be controlled individually, allowing precise control of color and brightness.

have an integrated WS2812 IC that enables a color selection from 16 million colors
individually controllable via a one-wire interface
enables thousands of LEDs to be controlled via just one wire
easy control via Arduino (or a compatible board such as Dasduino)
minimal effort for impressive lighting effects

The use of these LEDs makes it possible to achieve extraordinary lighting effects with little effort. By combining several of these pixels, dynamic and customizable light installations can be created. Simple control through an Arduino-compatible board such as Dasduino facilitates the implementation of complex projects that can range from interactive art installations to custom lighting solutions.

Technical specifications

Color: Red/Green/Blue
Voltage: 5 V
Power: max. 60 mA per pixel
Diode: WS2812 SMD LED (5050 LED diode with integrated IC)
Dimensions: Diameter of 10 mm

In conclusion, these LEDs with integrated WS2812 IC offer high flexibility and ease of use for developers and designers who want to create powerful and customizable lighting systems. The ease of implementation and the ability to control thousands of LEDs via a single interface make them an ideal choice for creative and technical projects.

External links
https://github.com/SolderedElectronics/Soldered-WS2812-Smart-Leds-Arduino-Library
https://github.com/SolderedElectronics/Smart-LED-WS2812B-Pixel-hardware-design

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JOY-IT DEBO THUMB JOY - Developer boards - joystick module 13.62 EUR Joystick module for various developer boards

With this board, the X and Y position of the joystick can be displayed as analogue voltage on the output pins.

The module can be firmly soldered or used on a breadboard.

Voltage range: 0 - 5 V
Operating voltage: 3.3 V
Dimensions: 34 x 39 x 26 mm

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JOY-IT DEBO USB-PD 2 - Developer Boards - USB-PD Trigger Module, USB-C to USB-A 20.8 EUR With this small module you can trigger USB-PD protocols and thus charge your laptop via a PD-capable USB-C power supply, for example. The output voltage is adjustable in 5 steps (5 V, 9 V, 12 V, 15 V and 20 V) via the button integrated on the module. The currently selected voltage can be read from the color of the RGB LED integrated on the module (red = 5 V / yellow = 9 V / green = 12 V / light blue = 15 V / dark blue = 20 V / purple = highest possible voltage). Due to its output interfaces, the module can be used flexibly and is easy to integrate.

Technical details

• input voltage up to 20 V / 100 W (via a PD-capable USB-C power supply unit)
• input interface: USB-C
• Output voltage: 5/9/12/15/20 V (adjustable via knob)
• Output current: max. 5 A
• output power: max. 100 W
• Output interface: USB-A
• Dimensions (LxWxH): 31.5 x 15 x 14 mm

Note

• USB-C power supply not included in delivery

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JOY-IT DEBO LED MATRIX1 - Developer boards - LED matrix, 64 x 64 RGB pixels 57.39 EUR Full color matrix module

This LED matrix is a 64x64 RGB pixel matrix which can be used with microcontrollers (e.g. Arduino, Micro:Bit and many more) or e.g. a Raspberry Pi.

The small grid of 3 mm allows good representations to be achieved.

Display type: RGB LED
Resolution: 64x64
Number: 4096 LEDs
LED size: 3 mm pitch
Dimensions: 192 x 192 x 14 mm
Supply voltage: 5 V
max. power consumption: 40 W
Control: 1/32 Scan
Operating temperature: -20 - 55 °C
Viewing angle: 140°.
Pixel density: 111,111 pixels/m²

Scope of delivery
LED matrix and cable

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JOY-IT DEBO USB-PD 1 - Developer Boards - USB-PD Trigger Module, USB-C to Terminal Bloc 20.8 EUR With this small module you can trigger USB-PD protocols and thus charge your laptop via a PD-capable USB-C power supply, for example. The output voltage is adjustable in 5 steps (5 V, 9 V, 12 V, 15 V and 20 V) via the button integrated on the module. The currently selected voltage can be read from the color of the RGB LED integrated on the module (red = 5 V / yellow = 9 V / green = 12 V / light blue = 15 V / dark blue = 20 V / purple = highest possible voltage). Due to its output interfaces, the module can be used flexibly and is easy to integrate.

Technical details

• input voltage up to 20 V / 100 W (via a PD-capable USB-C power supply unit)
• input interface: USB-C
• Output voltage: 5/9/12/15/20 V (adjustable via knob)
• Output current: max. 5 A
• output power: max. 100 W
• Output interface: screw terminal block
• dimensions (LxWxH): 31.5 x 15 x 14 mm

Note

• USB-C power supply not included in delivery

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JOY-IT DEBO POE ADAPT 2 - Developer Boards - POE USB-C Power Adapter 19.36 EUR With this adapter you can power your Raspberry Pi and other single board computers, which are powered by a USB-C port, via POE LAN.

The adapter is connected directly to a POE-capable router/switch or POE injector with a POE LAN cable (up to 100 meters cable length).

This allows you to use the Raspberry very flexibly and no power outlet and power supply is required.

Connections: 1x USB-C plug, 1x RJ45 jack, 1 x RJ45 plug
Input voltage: 36 - 57 V (standard PoE voltage 48 V, 52 V)
Output voltage: DC 5 V
Output current: 2 A
Transmission distance: 10 - 100 m
PoE Protocol: IEEE802.3af
Network bandwidth: 10/100 Mbps
Operating temperature: -50 to +75°C
Dimensions: 82 x 28 x 23 mm

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SOLDERED DEBO LED RING24 - Developer boards - LED ring, RGB, 24 LEDs, WS2812 22.46 EUR The WS2812B is an LED that can emit light in red, green or blue as well as combinations of these colors and can display up to 16 million hues. It is controlled via a single pin using a few lines of code from the Arduino IDE, supported by the integrated controller within the LED.

each LED is capable of emitting 16 million colors
controlled via a single pin
requires only a few lines of code in the Arduino IDE
LEDs are arranged in a circle
integrated controller in each LED

The WS2812B LEDs offer impressive color display flexibility and simplify the implementation of color lighting projects. These LEDs are programmed with an Arduino (or compatible board such as Dasduino) using the Arduino IDE for easy code creation. The circular arrangement of the LEDs allows attractive visual displays to be created that can be used in a variety of projects, from simple backlighting to complex lighting installations. The integrated controller in each LED allows each diode to be controlled independently, making it easy to create dynamic and customizable lighting effects.

Technical specifications

Number of LEDs: 24
Voltage: 5 V
LED type: WS2812B
Current: 18 mA per LED
Dimensions (outer diameter): 67 mm

In summary, with its advanced technology and simple control via the Arduino IDE, the WS2812B provides an efficient and versatile solution for lighting projects. Thanks to the wide range of colors and easy integration into various designs, this LED type offers a high degree of design freedom.

External links
https://github.com/SolderedElectronics/Soldered-WS2812-Smart-Leds-Arduino-Library
https://github.com/SolderedElectronics/Soldered-WS2812-Smart-Leds-Arduino-Library

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JOY-IT DEBO RB-BB 3B - Developer boards - Laboratory card, 84 x 54 mm, black 12.48 EUR Lab card from Joy-it for the developer board area

Welcome to the world of electronic prototypes, where innovation and reliability meet! Our high-quality breadboard is the ideal tool for all your electronics projects.

Whether you are an experienced electronics expert or a beginner, our breadboard is designed to optimize your prototyping experience.
With precise plug-in holes and universal compatibility, it allows you to connect electronic components securely and effortlessly. This allows you to implement your ideas quickly and reliably.

Specifications
• 1 contact terminal with 300 contacts
• 2 distribution terminals with 100 contacts
• Material: plastic
• Color: black
• Adhesive surface on the underside
• Dimensions (LxWxH): 84 x 54 x10 mm

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WAVESHARE DEBO PWR SOLAR2 - Developer boards - solar charger for 6- to 24-V panels 20.49 EUR This solar power management module is designed for 6 to 24V solar panels. It can charge the 3.7V LiPo battery via a solar panel or USB connection and provides a regulated 5V / 1A output.
The module has a maximum power point tracking (MPPT) function and multi-protection circuits, so it can still operate highly efficient, stable and safe. It is suitable for solar powered, low power IoT and other environmental protection projects.

• supports MPPT
• supports solar panel / USB port battery charging.
• integrated MPPT SET switch
• two 5 V output interfaces: Pin header and USB connector
• 14500 battery holder and PH2.0 battery connector
• multiple LED indicators to monitor status of solar panel and battery

Technical data

• input voltage of the solar module (SOLAR IN): 6 ... 24 V
bulletpoint# microUSB input voltage (USB IN): 5 V
• pin header / USB output (USB OUT): 5 V / 1 A
• charging end voltage: 4.2 V ±1%
• deep discharge protection voltage: 2.9 V ±1%
• solar module charging efficiency:: approx. 78%
• USB charging efficiency: approx. 82%
• 3.7 V battery boost power efficiency: approx. 86%
• max. quiescent current: < 2 mA
• operating temperature: -40 ... +85°C
• dimensions: 65.2 × 56.2 × 22.9 mm

Documentation and downloads can be found here:
www.waveshare.com/wiki/Solar_Power_Manager

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JOY-IT DEBO RB-BB 2B - Developer boards - Laboratory card, 165 x 54 mm, black 12.64 EUR Lab card from Joy-it for the developer board area

Welcome to the world of electronic prototypes, where innovation and reliability meet! Our high-quality breadboard is the ideal tool for all your electronics projects.

Whether you are an experienced electronics expert or a beginner, our breadboard is designed to optimize your prototyping experience.
With precise plug-in holes and universal compatibility, it allows you to connect electronic components securely and effortlessly. This allows you to implement your ideas quickly and reliably.

Specifications
• 1 contact terminal with 630 contacts
• 2 distribution terminals with 200 contacts
• Material: plastic
• Color: black
• Adhesive surface on the underside
• Dimensions (LxWxH): 165 x 54 x10 mm

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ADAFRUIT DEBO NP F RGB - Developer boards - Flora RGB Smart NeoPixel, 4-pack, WS2811 21.01 EUR The Flora NeoPixels was developed especially for wearables and has ultrabright LEDs with a constant current driver that is built directly into the LED housing. The pixels are cascadable - Only one contact is required to control any number of LEDs.

linkable design
fast protocol with 800 KHz
specially for portable applications
diameter: 12.5 mm

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SOLDERED DEBO IO EXPANDER - Developer boards - I/O expansion board, MCP23017 14.5 EUR The GPIO Expander MCP23017 is an efficient solution to the problem of the limited number of input/output (IO) pins on microcontrollers. By utilizing I2C communication, this expander allows the addition of 16 additional fully configurable pins that can be connected to any microcontroller with just two wires.

expands microcontrollers by 16 additional IO pins via I2C communication
enables the connection of up to eight of these breakout boards to a microcontroller
configurable I2C address via jumpers on the board
all pins have pull-out resistors that can be switched on and off
ideal for projects that require a high number of IO pins

By using the MCP23017, the number of available IO pins of a microcontroller can be increased considerably without significantly increasing the complexity of the overall system. The ability to change the I2C address using jumpers allows several such expanders to be operated in parallel, enabling a total expansion of up to 128 additional pins. The pull-out resistors on the board provide additional flexibility for signal integrity and customization to specific project requirements.

Technical data

Dimensions: 38 mm x 22 mm
Normal current consumption: 1 mA
current consumption at standstill: 1 µA
Logic voltage: 5 V
Operating voltage: 1.8 ... 5,5 V
Communication: I2C (address: 0x27)
Connections: easyC x2
easyC/Qwiic compatibility
Holes for mounting: 2

The GPIO Expander MCP23017 is a cost-effective and easy-to-implement solution for significantly expanding the IO capacity of microcontrollers. Its configurability and the possibility of using several expanders in parallel make it an indispensable tool for complex or pin-intensive projects.

easyC
easyC is a robust connection system that optimizes the connection of microcontrollers, sensors and actuators using JST-SH compatible connectors (JST 4-pin). It offers solderless connections, serial connections of multiple devices (daisy-chaining), error-free design, parallel connection, universal compatibility and intermediate compatibility with Qwiic (Sparkfun connection system), simplifying prototype development. Further information on easyC can be found under ''Data sheets''.

External links
https://github.com/SolderedElectronics/Soldered-MCP23017-Port-Expander-Arduino-Library
https://github.com/SolderedElectronics/IO-expander-MCP23017-breakout-hardware-design

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JOY-IT DEBO TEMP IR - Developer boards - Infrared temperature sensor 28.25 EUR Infrared sensor module for non-contact temperature measurements

This infrared sensor module uses the MLX90614 sensor and enables non-contact temperature measurements.
The control is particularly simple via the I2C interface and is thus possible with a wide variety of microcontrollers and single-board computers.

Specifications
• Supply voltage: 3.3 - 5 V
• Sensor: MLX90614
• I2C interface
• measuring range environment: -40 ... +125 °C
• measuring range object: -70 ... +380 °C
• accuracy: 0.5 °C (0 °C .. +50 °C)
• dimensions (LxWxH): 24 x 12 x 8 mm

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SOLDERED DEBO LED RING12 - Developer boards - LED ring, RGB, 12 LEDs, WS2812 14.07 EUR The WS2812B is a highly interesting LED which, thanks to its integrated controller, is able to emit light in red, green, blue or any combination of these three colors and display a total of around 16 million different colors. The diodes are arranged in a circle on this special board.

enables the emission of light in red, green and blue as well as combinations of these colors
can display around 16 million colors
controllable by a single pin with just a few lines of code in the Arduino IDE
integrated controller in each LED
diodes are arranged in a circle on the board

Thanks to the integrated controller, each WS2812B LED can be controlled individually, which simplifies programming and at the same time offers a wide range of possibilities for lighting designs. The circular arrangement of the LEDs on the board is not only aesthetically pleasing, but also expands the creative application possibilities, from dynamic lighting effects to signaling applications.

Technical specifications

Number of LEDs: 12
Voltage: 5 V
LED type: WS2812B
Current: 18 mA per LED
Circuit outer diameter: 40 mm

Overall, this LED board provides a simple and efficient way to create colorful and dynamic lighting arrangements with minimal programming knowledge, making it ideal for art, event or product design projects. The WS2812B LEDs offer a cost-effective and accessible solution for individually controllable lighting concepts.

External links
https://github.com/SolderedElectronics/Soldered-WS2812-Smart-Leds-Arduino-Library
https://github.com/SolderedElectronics/Soldered-WS2812-Smart-Leds-Arduino-Library

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FREI DEBO RTC DS1302 - Developer boards - RTC real-time clock, DS1302 11.4 EUR Real-time clock module with possible battery backup using the easy-to-use DS1302 chip.

The DS1302 chip uses a simple serial interface and sample code is available for Arduino, Raspberry Pi and many others.
The real time clock counts seconds, minutes, hours, the date of the month, the month, the day of the week and the year with leap year compensation valid until 2100.

• serial inputs and outputs for minimum pin count
• 2 V to 5.5 V full operation
• requires less than 300 nA at 2 V
• single byte or multi-byte data transfer for reading or writing clock or RAM data

Note

• battery not included (battery see accessories)

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JOY-IT DEBO BUTT MTX2 2 - Developer boards - Button matrix, 16 buttons 12.33 EUR Compact 4x4 keypad for precise inputs

The ButtonMatrix2 from Joy-IT offers 16 tactile buttons in a robust design, ideal for microcontroller projects and embedded applications.
Thanks to the row and column-based scanning, all buttons can be reliably queried with just eight GPIOs.

Features

Compact keypad with 16 buttons (4x4 matrix)
Tactile switches for precise feedback
Direct connection to microcontroller possible
Simple query via only 8 GPIO pins
Robust design for long-lasting use
Compact dimensions: only 55 x 40 x 7 mm

Technical specifications

Number of buttons: 16 (4 rows x 4 columns)
Rated voltage: 0 - 12 V DC
Rated current: 0 - 50 mA
Connection: 2.54 mm pin header, 90°
Dimensions: 55 x 40 x 7 mm
Weight: 11 g

Scope of delivery

1x ButtonMatrix2 keypad

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SOLDERED DEBO GAS4 MQ135 - Developer boards - Gas sensor, CO2/petrol/smoke, MQ-135 17.29 EUR The MQ135 sensor has a wide range of applications in indoor air quality monitoring, gas leak detection and environmental detection.

In addition to carbon dioxide (CO2), it also detects other gases such as volatile organic compounds (VOCs), alcohol vapors and smoke. By integrating with circuits and microcontrollers such as Arduino (or a compatible board such as Dasduino), real-time systems can be developed to track and analyze gas levels. This allows appropriate action to be taken to ensure a healthy and safe environment.

The MQ135 module requires a preheating time before accurate readings are available. It operates at 5 V and consumes approximately 150 mA.

The breakout of the MQ135 sensor provides both digital and analog data that can be retrieved via the easyC system.

Technical data

Measure: max. ammonia (_NH3),_CO2, alcohol, benzene, smoke
Voltage: 3.3 V
Output: digital
ATTiny404 microcontroller
easyC/Qwiic compatibility
Dimensions: 54 x 22 mm

easyC
easyC is a robust connection system that optimizes the connection of microcontrollers, sensors and actuators using JST-SH compatible connectors (JST 4-pin). It offers solderless connections, serial connections of multiple devices (daisy-chaining), error-free design, parallel connection, universal compatibility and intermediate compatibility with Qwiic (Sparkfun connection system), simplifying prototype development. Further information on easyC can be found under ''Data sheets''.

External links
https://github.com/SolderedElectronics/Air-quality-sensor-MQ135-breakout-with-easyC-hardware-design

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ADAFRUIT DEBO RTC UHR2 - Developer Boards - Precision Real-Time Clock, DS3231 35.74 EUR Precision Real-Time Clock DS3231

supply voltage: 3.3 V
Dimensions: 23 x 17.6 x 7.2 mm

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ADAFRUIT DEBO AMP MIC2 - Developer Boards - Microphone Amplifier, MAX9814 21.01 EUR Electret Microphone Amplifier MAX9814

supply voltage: 2.7 - 5.5 V
Frequency range: 20 Hz - 20 KHz
automatic gain, selectable
Dimensions: 26 x 14 mm

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JOY-IT DEBO MICROSD 3 - Developer boards - Breakout board for MicroSD cards 12.43 EUR This Micro-SD Breakoutboard allows you to read and write SD cards via the SPI interface of your microcontroller.

The small design makes it easy to integrate the module into existing projects.

Specifications

• Supply voltage: 3.3 V
• logic level: 3.3 V
• Interface: SPI

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SEEED DEBO CAM 2002 64 - Developer boards - Camera, AI, 5MP, 30fps, 64GB 69.8 EUR reCamera is an open source AI camera in a compact format, characterized by high programmability and customizability. It is powered by a RISC-V SoC and offers 1 TOPS AI performance directly on the device as well as video encoding with 5 MP @ 30 FPS. Thanks to its modular hardware design and expandable interfaces, it is an extremely versatile platform for developers in the field of vision AI systems.

1 TOPS on-device AI performance for fast and efficient data processing
Video encoding with 5 MP resolution at 30 FPS for high-quality image capture
Programmable and customizable for a wide range of AI applications
Modular hardware with expandable interfaces for maximum flexibility
ideal for developers who want to build or experiment with vision AI systems

The combination of powerful on-device AI and flexible architecture makes reCamera an optimal choice for applications such as machine vision, object recognition and edge AI. Extensive customization options are available for developers to meet specific project requirements.

Technical specifications

AI performance: 1 TOPS @ Int8
SoC: SG2002
CPU: Dual-Core C906 (1 GHz + 700 MHz)
MCU: 8051 with 8 KB SRAM
RAM: 256 MB
Video encoding: 5 MP @ 30 FPS
Camera sensor: OV5647
eMMC: 64 GB
Expansion: removable TF card (up to 2 TB, not included)
Ethernet: 100 Mbps
USB: USB Type-C (2.0)
Buttons: 1 reset button, 1 boot button
Status display: 1 power LED, 2 programmable IO LEDs
Fill light: 0.3 W white light
Microphone: onboard microphone
Speaker: external speaker
Power supply: 5 V @ 1 A
Dimensions: 40 x 40 x 36.5 mm

In summary, reCamera is a powerful and versatile solution for modern vision AI projects that impresses with its open architecture and modular design.

External links
https://github.com/Seeed-Studio/OSHW-reCamera-Series
https://github.com/Seeed-Studio/reCamera-OS

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SOLDERED DEBO GAS3 MQ135 - Developer boards - Gas sensor, CO2/petrol/smoke, MQ-135 14.07 EUR The MQ135 sensor can be used for various applications such as indoor air quality monitoring, gas leak detection and environmental sensors.

The main target gas is carbon dioxide (CO2), but it is also sensitive to a range of other gases, including volatile organic compounds (VOCs), alcohol vapors, benzene, smoke and other harmful gases. By integrating the MQ135 sensor with suitable electronic circuitry and microcontrollers such as Arduino (or a compatible board such as Dasduino), systems can be created that enable real-time monitoring and analysis of gas concentrations.

The breakout board supports both digital (DO) and analog signals (AO). The digital output signal is obtained by setting a threshold value with a potentiometer. The analog output signal varies depending on the intensity of the gas.

The MQ135 air quality sensor module operates at 5V and consumes about 150mA. It requires preheating to provide accurate results.

Technical specifications

max. operating voltage: 5 V
max. current consumption: 150 mA
Detection/measurement: _NH3, Nox,_CO2, alcohol, benzene, smoke
digital output: 0 to 5 V (TTL logic) @ 5 V Vcc
analog output: 0 to 5 V @ 5V Vcc
Dimensions: 22 x 38 mm

Please note
Attention: The sensor gets warm during operation!

external links
https://github.com/SolderedElectronics/Air-quality-sensor-MQ135-breakout-hardware-design

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ADAFRUIT DEBO BO SMD16 - Developer boards (3 pieces) - SMD breakout circuit board 15.43 EUR SMD board for SOIC-16 and TSSOP-16 devices SMD board for SOIC-16 and TSSOP-16 devices

Solder your chip to either side and you can get started with any experiment system.
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FREI DEBO 3AXIS GY291 - Developer boards - Accelerometer, 3-axis, ADXL345, dig. 13.36 EUR ADXL345 digital 3-axis gyroscope
The GY-291 module is a compact and very low power 3-axis gyroscope accelerometer. It is perfect for portable devices and ideal for microcontroller projects with an Arduino, Raspberry Pi and more. The module has an ADXL345 chip which measures static acceleration from gravity in tilt measurement, as well as dynamic acceleration from motion or vibration. The sensor has a high resolution of 3.9mg/LSB to detect accurate measurements of tilt change with up to 1°. In addition, the module has several special measurements such as:

• activity and inactivity function to detect the presence or absence of motion.
• ''Freefall sensing'' function to detect when the module is in free fall
• these and other functions can be set via the two interrupt and output pins

Technical data
• Model: GY-291
• Chip: ADXL345
• Power supply: 3 - 5V DC
• Communication: I2C / SPI
• measuring range: ± 2g ± 16g
• with free fall detection function
• detects exceeding of set limits
• measurements of less than 1 degree tilt angle changes
• low power consumption
• dimensions (LxWxH): 21 x 15 x 3 mm

Scope of delivery
• GY-291 module
• pin header
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WAVESHARE DEBO IO BOARD - Developer boards - I/O expansion board, MCP23017 18.53 EUR The MCP23017 IO Expansion Board extends 2 signal pins to 16 I/O pins based on the I2C bus. Up to 8 expansion boards can be used simultaneously.

- I2C controlled, extends 2 signal pins as 16 I/O pins
- I2C address configurable by short-circuiting the A0/A1/A2 bridges
- offers two connection options: PH2.0 Terminal and/or solder pads
- integrated voltage converter, compatible with 3.3 V / 5 V level
- Supplied with development resources and manual

Technical data

- Operating voltage: 5 V / 3.3 V
- interface: I2C
- Interrupt pins: INTA, INTB, INTB
- Expansion I/Os: 16
- Mounting hole size: 2.0 mm
- Dimensions: 38 × 23 mm

Documentation and downloads can be found here:
www.waveshare.com/wiki/MCP23017_IO_Expansion_Board
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SOLDERED DEBO MINI PCB - Developer boards - Mini prototyping board, 170 contacts 11.76 EUR Arduino (or a compatible board such as Dasduino) provide an optimal basis for building electronic projects. This product combines the simplicity of a breadboard with the functionality of a printed circuit board.

compatible with Arduino and Dasduino
same size as a modular mini breadboard
includes female headers for direct connections
enables the transition from temporary to permanent connections
two mounting holes for secure mounting

The product combines the advantages of a breadboard and a printed circuit board. It has the same size as a modular mini breadboard and offers identical connections to the pins. The socket connectors make it easy to insert and remove components. Once the circuit has been tested, it can be permanently transferred to the PCB by soldering all parts. The two fixing holes in the middle of the board allow the board to be fixed securely.

The availability of female headers makes the product particularly flexible for use in different projects. This promotes fast and efficient prototype development.

Technical data
Number of holes: 170
Mounting holes: 2
Dimensions: 46 mm x 33 mm

The combined breadboard and PCB offers a practical solution for the development and implementation of electronic projects and supports a seamless transition from prototyping to final implementation.
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JOY-IT DEBO SD-NAND 512 - Developer boards - 512 MB SD-NAND flash memory 23.28 EUR This flash memory module allows you to store and read data externally via the SPI interface of your microcontroller.
The module is controlled exactly like a conventional SD card and is therefore particularly simple. The module can be operated with 3.3 V as well as 5 V thanks to the integrated voltage converter.

Specifications

• Operating voltage: 3 ... 5 V
• logic level: VCC
• Interface: SPI
• memory size: 512 MB
• clock frequency: up to 50 MHz
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JOY-IT DEBO EEPROM 32KB - Developer boards - 32 KB EEPROM module, I2C 13.04 EUR This EEPROM memory allows you to store and read data externally via the I2C interface of your microcontroller.
The last three digits of the I2C address can be set via jumpers on the board, which makes it possible to use several modules at the same time.

Via an additional jumper the write protection of the module can be activated, whereby the data can only be read.

Specifications

• Supply voltage: 1,8 ... 5,5 V
• Model AT24C256
• logic level: VCC
• Interface: I2C (@1010XXX, 0x50 - 0x57)
• Memory size: 32 KB
• clock frequency: up to 1 MHz
• write cycles: up to 1.000.000
• exchangeable memory chip
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RASPBERRY PI RPI KEYBRD DE RW - Developer Boards - Keyboard, DE, red/white 25.04 EUR This specially designed keyboard for the Raspberry Pi offers an ergonomic design in red/white or black/grey and is available with DE, UK, US, FR, ES or IT layout.

Specification
- 79-key keyboard (78-key US keyboard)
- 3x USB 2.0 Type A ports for powering other peripherals
- automatic recognition of the keyboard language
- USB Type-A to MicroUSB Type-B cable for connection
- compatible with all Raspberry Pi products
- ergonomic design for comfortable use
- available in the colours red/white or black/grey
- available with the layouts DE, UK, US, FR, ES or IT
- CE and FCC compliant
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RASPBERRY PI RPI KEYBRD DE BG - Developer boards - Keyboard, DE, black/grey 25.04 EUR Made specifically for the Raspberry Pi, this keyboard offers an ergonomic design in red/white or black/grey and is available with DE, UK, US, FR, ES or IT layout.

Specification
• 79-key keyboard (78-key US keyboard)
• 3x USB 2.0 Type-A ports for powering other peripherals
• automatic keyboard language detection
• USB Type-A to MicroUSB Type-B cable for connection
• compatible with all Raspberry Pi products
• compatible with Windows / MacOS / Linux
• ergonomic design for comfortable use
• available in the colors red/white or black/grey
• available with the layouts DE, UK, US, FR, ES or IT
• CE and FCC compliant
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RASPBERRY PI RPI KEYBRD IT RW - Developer boards - keyboard, IT, red/white 27.94 EUR This specially designed keyboard for the Raspberry Pi offers an ergonomic design in red/white or black/grey and is available with DE, UK, US, FR, ES or IT layout.

Specification
- 79-key keyboard (78-key US keyboard)
- 3x USB 2.0 Type A ports for powering other peripherals
- automatic recognition of the keyboard language
- USB Type-A to MicroUSB Type-B cable for connection
- compatible with all Raspberry Pi products
- ergonomic design for comfortable use
- available in the colours red/white or black/grey
- available with the layouts DE, UK, US, FR, ES or IT
- CE and FCC compliant
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RASPBERRY PI RPI MOUSE BK - Developer boards - Mouse, black/grey 16.77 EUR This mouse, specially designed for the Raspberry Pi, offers an ergonomic design in black/grey.

Specification
- optical three-button mouse
- scroll wheel
- USB Type A connector
- compatible with all Raspberry Pi products
- ergonomic design for comfortable use
- available in the colours red/white or black/grey
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SEEED DEBO WIO-E5 - Developer boards - LoRa, 868/915 MHz 19.05 EUR LoRa-E5 wireless module - ultra-compact LoRaWAN® module for energy-efficient IoT applications

Seeed Studio's LoRa-E5 Wireless Module is a highly integrated LoRaWAN® module specifically designed for energy-efficient and long-range IoT applications. With its compact design and support for global frequency bands, it is ideal for battery-powered devices in areas such as smart metering, environmental monitoring and industrial sensor applications.

Compact design: 12 mm x 12 mm x 2.5 mm, ideal for space-constrained applications.
ultra-low power consumption: sleep current of only 2.1 µA in WOR mode, optimized for battery-powered devices.
high sensitivity: Up to -136.5 dBm at SF12 and 125 kHz bandwidth, enabling reliable communication over long distances.
wide frequency support: Compatible with global LoRaWAN® frequency plans such as EU868, US915, AU915, AS923, KR920 and IN865.
Versatile interfaces: Integrated UART, I2C, SPI, ADC and GPIOs for flexible integration into various applications.
Easy integration: Pre-installed AT commands and full LoRaWAN® stack support facilitate development and implementation.

Technical data
Microcontroller: STM32WLE5JC (ARM Cortex-M4) with integrated SX126x LoRa® transceiver
Transmission power: up to 14 dBm @ 868/915 MHz
Sensitivity: up to -136.5 dBm at SF12 and 125 kHz bandwidth
Link budget: 158 dB, supports reliable communication over long distances
Power supply: 1.8 V to 3.6 V
Interfaces: 3x UART, 1x I2C, 1x SPI, 1x ADC, SWD, GPIOs
Operating temperature: -40 °C to +85 °C
Housing: 28-pin SMT for easy integration into printed circuit boards

Areas of application
Smart metering: energy and water meters with wireless communication
Environmental monitoring: sensors for temperature, humidity, air quality and more
Industrial automation: monitoring and control of machines and systems
Agriculture: precision farming, soil moisture sensors, animal tracking
Logistics and asset tracking: tracking goods and assets over long distances

The LoRa-E5 Wireless Module offers a powerful and energy-efficient solution for a wide range of IoT applications where compact design, low power consumption and reliable long-range communication are crucial. Its comprehensive interface support and compatibility with global frequency bands make it a versatile choice for developers and system integrators.
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JOY-IT DEBO CAN-485 - Raspberry Pi Pico - Expansion board with CAN + RS485 26.28 EUR This expansion board allows you to add an RS485 and a CAN interface to a Raspberry Pi Pico.
The board can be operated either via a standard USB-C connection with 5 V or via a screw terminal that accepts an input voltage of 6 to 12 V.

The voltage applied to the screw terminal is reduced to 5 V by an integrated voltage converter.

Specifications
• Interface CAN: SPI, CAN
• Interface RS485: Serial RS485
• Supply voltage: USB-C 5 V DC / screw terminal 6-12 V DC
• Logic level 3.3 V
• Terminating resistor CAN: 120 Ohm (can be deactivated if required)
• Terminating resistor RS485: 120 Ohm (can be deactivated if required)

Note:The USB-C connection does not transmit any data to the Raspberry Pi Pico
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IDUINO DEBO LED 8X8 RD - Developer boards - Matrix LED, red, 8 x 8, MAX7219 13.57 EUR Matrix module for simple and easy-to-read display with red LEDs. You only need five I/O pins to control the 64 light points of the module and you can even connect a second module in series. You will find a corresponding connection example and program code for implementation with an Arduino in the data sheet.

Features
• Chipset: MAX7219
• operating voltage: 5 V DC
• cascadable
• 4 holes for M3 screws
• Dimensions: 50 x 32 x 15 mm
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JOY-IT DEBO SENS HEART - Developer boards - heartbeat sensor 15.48 EUR Heartbeat sensor

If a finger is held between the infrared LED and photo transistor, the pulse can be detected at the signal output.

The module can be firmly soldered or used on a breadboard.

Operating voltage: 5 V
Dimensions: 16 x 78 x 3 mm

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SOLDERED DEBO RS485 - Developer board - RS485 transceiver 18.21 EUR This module enables the connection of an Arduino (or a compatible board such as Dasduino) to an RS-485 communication protocol. The RS-485 is used for data transmission over long distances (up to 1200 m) at 20 Mbps and in noisy environments such as industrial applications. The module operates at 5 V and requires between 120 µA and 500 µA current.

compatible with Arduino and Dasduino
supports RS-485 communication
Range up to 1200 m
Data transfer rate up to 20 Mbps
Power consumption between 120 µA and 500 µA

The module is designed for applications in noisy environments and ensures stable data transmission over long distances. The use of a female connector ensures a simple and secure connection to the microcontroller. The RS-485 interface offers reliable communication that is insensitive to electromagnetic interference. The module is particularly suitable for industrial applications where stable and fast data transmission is required.

Technical data

Voltage: 5 V
based on: SN65176BDR
Dimensions: 38 x 22 mm

The module offers an efficient solution for extending microcontroller systems with a robust communication interface that works reliably in demanding environments.

External links
https://github.com/SolderedElectronics/RS-485-Transceiver-breakout-hardware-design
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