ADAFRUIT DEBO TEMP HUM2 - Developer Boards - Temperature and Humidity Sensor, Si7021
30.57 EUR
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"Breakout board with temperature and humidity sensor Si7021
Delivery Cost: 9.95 EUR
Availability: in stock
Delivery Time: 4-5 business days
Condition: new
"Breakout board with temperature and humidity sensor Si7021
- Sensor for Silicon Labs
- measures relative humidity with ±3 %
- temperature accuracy: ± 0.4°C
- temperature range: -10 to +85°C
- Dimensions: 15.3 x 17.8 x 3 mm
Delivery Cost: 9.95 EUR
Availability: in stock
Delivery Time: 4-5 business days
Condition: new
Comparison of Similar Products
- 24 individually addressable RGBs
- with integrated drivers
- constant current: 18 mA
- voltage range: 4 - 7 V
- outside diameter: 65.6 mm
- inside diameter: 52.3 mm
- filterless design with ferrite bead and capacitors from the output
- supply voltage: 5 V
- fixed 24 dB gain
- onBoard trimming potentiometer for controlling the input volume
- Protection against thermal overload, short-circuit and overcurrent
- Dimensions: 24 x 15 x 2 mm
- supply voltage: 2.7 - 5.5 V
- Frequency range: 20 Hz - 20 KHz
- automatic gain, selectable
- Dimensions: 26 x 14 mm
- Uses I2C address 0x44 or 0x45
- mitt relative humidity up to ±2%
- Accuracy: ±0.3°C
- 12.7 x 18 x 2.6 mm
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
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
• easy to use, requires no knowledge of image recognition
• decodes various common 1D/2D codes like barcode, QR code etc
• integrated micro USB and UART serial port, allows connection to computers or embedded devices
• configurable by scanning the ""configuration code
• onBoard light source, works in the dark
Technical data• Operating voltage: 5 V
• Operating current: 13 5mA (scan), 58 mA (standby), 2 mA (sleep)
• Operating temperature: 0 ... 60°C
• Operating humidity: 5% ~ 95% (non-condensing)
• Communication interface: UART, USB
• decodes 1D codes: Codebar, Code 11, Code 39/Code 93, UPC/EAN, Code 128/EAN128, Interleaved 2 of 5, Matrix 2 of 5, MSI Code, Industrial 2 of 5, GS1 Databar(RSS)
• decodes 2D codes: QR Code, Datamatrix, PDF417
• Light source: white
• Scan angle: 360° rotation, ±65° tilt, ±60° tilt.
• Field of view: 28° (horizontal), 21.5° (vertical)
• Dimensions: 53.3 x 21.4 mm
Scope of delivery:
1x Barcode Scanner Module
1x cable USB-A plug to microUSB plug
1x PH2.0, 4-pin
Documentation and downloads can be found here:
www.waveshare.com/wiki/Barcode_Scanner_Module"
Technical data
• Operating voltage: 4 ... 7 V
• LED dimensions: 5 x 5 x 1.5 mm
• dimensions: 54 x 10.5 x 3.15 mm
Note: Compatible with Adafruit NeoPixel Library: https://github.com/adafruit/Adafruit_NeoPixel
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
This compact module is designed for reliable and bidirectional data transmission and is ideal for use in industrial, communication and control applications.
Main features
- Bidirectional signal conversion: Easily converts data signals between UART and RS232, enabling interaction between modern microcontrollers and legacy devices.
- Easy integration: Compact design and included pin header make it easy to use in your projects.
- Reliability through SP3232E chipset: High stability and efficiency for your applications.
- Flexible use: Supports logic levels from 3 V to 5.5 V and supply voltages of 3 V / 5 V.
Technical data
- Chipset: SP3232E
- Supply voltage: 3 V - 5 V
- Logic level: 3 V / 5 V
- Communication direction: Bidirectional
- Dimensions: 43 x 15 x 3 mm
- Weight: Only 3 g
Scope of delivery
- 1x UART - RS232 transceiver module (COM-TTL-RS232)
- 1x pin header (not soldered)
- charging current: max. 1000 mA
- with low-battery detection
- 2 A internal switch
- Dimensions: 22 x 37 x 7 mm
- FT232H chip and one EEPROM for onboard configuration
- 20x GPIO
- Dimensions: 38 x 23 x 4 mm
Anschluss- und Codebeispiel finden Sie im hinterlegten Datenblatt.
Helligkeit
• Rot: 600 - 800 mcd
• Blau: 800 - 1000 mcd
• Grün: 1500 - 2000 mcd
Durchlassspannung
• Rot: 1,8 - 2,1 V
• Blau: 3,0 - 3,2 V
• Grün: 3,0 - 3,2 V
Anschluss
• 1: Rot
• 2: Grün
• 3: Blau
• 4: Masse
Hinweis
Dieses Modul benötigt Widerstände zur Strombegrenzung um den LED-Chip zu schützen
- Power off 4.5 - 14 V DC
- 20 mA Quiescent current
- maximum gain up to 29.5 dB
- 20 W stereo output (4 O)
- integrated click and pop noise suppression
- short circuit cut-off and overload protection
- 16 individually addressable RGBs
- voltage range: 4 - 7 V
- outside diameter: 44.5 mm
- inside diameter: 31.7 mm
Specification
• 5 VDC operating voltage
• colors: RGB
• dimensions (L x W x H): 48 x 38 x 5 mm
Anschluss- und Codebeispiel finden Sie im hinterlegten Datenblatt.
Anschluss
• 1: Rot
• 2: Grün
• 3: Blau
• 4: Masse
- 16 individually addressable RGBs
- voltage range: 4 - 7 V
- outside diameter: 36.8 mm
- inside diameter: 23.3 mm
- exceeds the EMI limit unfiltered with up to 30 cm of speaker cable
- supply voltage: 2.7 - 5.5 V
- selectable amplification via 5 pins
- Dimensions: 28 x 24 x 3 mm
Features
- No background illumination, displays last content for a long time after switch-off
- Ultra-low power consumption, power is basically only needed to refresh
- 4 buttons on board
- Compatible with Raspberry Pi 2B/3B/Zero/Zero W/WH
- SPI interface for connecting to other controller boards such as Raspberry/Arduino/Nucleo etc.
- Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)
Technical data
- Operating voltage: 3.3 V
- Interface: 3-wire SPI, 4-wire SPI
- Dimensions: 85 mm x 56 mm
- Display size: 57.288 mm x 38.192 mm
- Dot pitch: 0.217 x 0.217
- Resolution: 264 x 176
- Display colour: black, white
- Grey level: 2 full
- Update time: 6 s
- Energy reserve: 24 mW (typical)
- Standby power: <0.017 mW
- Viewing angle: >170°
Included in delivery
- Display HAT
- 2 screws
Documentation/downloads
https://www.waveshare.com/wiki/2.7inch_e-Paper_HAT"
- 6 address selection pins
- adjustable frequency PWM up to approx. 1.6 kHz
- 12 bit resolution for each output
- configurable push-pull or open-drain output
- Dimensions: 54 x 70 x 3 mm
A PWM input also offers the user easy adjustment of the brightness.
Special features
- Operating voltage: 5 V DC
- Power consumption: 3 W
- Light output: 200 lm
- Colour temperature: 6000 K
- 4-channel
- I2C-safe
This makes it an important tool for applications such as gas leak detection, safety systems and environmental monitoring. By interfacing the MQ7 sensor with suitable electronic circuits and microcontrollers such as Arduino (or a compatible board such as Dasduino), systems can be created that enable real-time monitoring and provide prompt alerts in the event of dangerous CO concentrations. It is necessary that the sensor needs some time to warm up in order to function correctly.
The breakout board works with both digital (DO) and analog (AO) signals. The digital output signal is obtained by setting a threshold value with a potentiometer. The analog output signal depends on the intensity of the gas.
Technical data
- Detects: Carbon monoxide (CO)
- Voltage: 5 V
- digital output: 0 V / 5 V
- analog output: 0 .. 5 V
- LM393 comparator
- Dimensions: 22 x 38 mm
External links
https://github.com/SolderedElectronics/CO-sensor-MQ7-breakout-hardware-design"
- completely assembled
- two colors
- with 4-pin strip
- Dimensions: 33 x 41 x 4 mm
- flashing LED when touch is detected
- Dimensions: 33 x 19 x 2 mm
2 pin headers included in the scope of delivery"
- pre-assembled
- Input voltage: 5 V via microUSB
- 100 mA charging current, adjustable to 500 mA by re-soldering
- with JST cable
- Dimensions: 19 x 2 x 21 mm
Please note:
Battery not included in scope of delivery!"
- simple use with Arduino or another microcontroller
- installed tilt / position detection
- Wide range of use from 2 to 8 g
- very precise with built-in 14-bit ADC
- Dimensions: 21 x 18 x 2 mm
- pre-assembled
- input voltage: up to 5 V via miniUSB
- 500 mA Charging current, adjustable to 100 to 1000 mA by re-soldering
- with JST cable "
- pre-assembled
- input voltage: 5 V
- 100 mA charging current, adjustable to 500 mA by re-soldering
- with JST cable
- Dimensions: 12.5 x 8 x 30 mm
- Digital output
- 50 Hz to 15 kHz
- I2S Interface
- • 1,6 ... 3,6 V Operating voltage
- SPH0645LM4H
Special features
no backlight, displays the last content for a long time even after switching off
ultra-low power consumption, basically power is only required for refreshing
SPI interface, to connect to other controller boards such as Raspberry / Arduino / Nucleo etc.
comes with development resources and manual (examples for Raspberry Pi / Arduino / STM32)
Technical data
• Operating voltage: 3.3V
• Interface: 3-wire SPI, 4-wire SPI
• Outline dimensions: 89.5 × 38 mm
• Display size: 66.89 × 29.05 mm
• Dot pitch: 0.226 × 0.227
• Resolution: 296 × 128
• Display color: black, white
• Grayscale: 4
• Power reserve: 26.4 mV (typ.)
• Standby power: <0,017 mV
• Betrachtungswinkel:> 170°
Scope of delivery
• Display module
• Connection cable XH2.54 20 cm 8-pin
Documentation / Downloads
http://www.waveshare.com/wiki/2.9inch_e-Paper_Module
- Power supply via DC socket or USB-C connection
- Adjustable output voltages: 3.3 V, 5 V, 12 V
- Separate setting of the voltages via switch
- Integrated operational readiness LED and on/off switch
- Automatic voltage selection when using both power sources
The board can be used with Arduino (or a compatible board such as Dasduino), which increases flexibility in various project applications. The use of dual power supply options allows for versatile use in different environments and conditions, whether in the lab or in a mobile setup. The individually adjustable voltages are particularly useful for powering different types of components on a breadboard without the need for additional voltage regulators. User-friendliness is further enhanced by the clear labeling of the switches and the robust design of the board.
Technical data
- USB-C or DC socket
- Voltage at DC socket: 12 V DC
- Output current: 3V3 @ 500 mA, 5V @ 1 A
- Dimensions: 54 x 30 mm
In conclusion, this power supply is a reliable and customizable solution for electronics projects that require a precise power supply. By combining ease of use and technical flexibility, it offers significant added value for developers working with Arduino (or a compatible board such as Dasduino).
External links
https://github.com/SolderedElectronics/Breadboard-power-supply-board-hardware-design"
- the driver can control a stepper motor that requires a maximum of 800 mA
- works with a voltage of up to 14 V
- integrated LED lights indicate the active motor phase
- simple connection with a microcontroller
- direct control via the library
The stepper motor driver has been specially developed for applications where precision and ease of use are paramount. The LED lights provide clear feedback on the status of the motor, which is particularly useful for troubleshooting and initialization. Compatibility with Arduino (or a compatible board such as Dasduino) enables a wide range of applications and facilitates integration into existing projects. The library used for control is user-friendly and allows even less experienced users to use the driver effectively.
Technical specifications
- Voltage: 3.3 ... 14 V
- Current: 800 mA
- Dimensions: 36 x 22 mm
In summary, this stepper motor driver offers a reliable and user-friendly solution for controlling stepper motors that do not require more than 800 mA current. The additional features such as LED status indicators and simple microcontroller integration make the driver particularly suitable for educational and hobby projects where flexibility and ease of use are required.
External links
https://github.com/SolderedElectronics/Basic-stepper-driver-hardware-design"
This 4.57-cm (1.8"") TFT display with SPI interface and microSD card slot can be used universally for all of your projects.
Specifications
• Display: 4.57 cm (1.8"")
• Resolution: 128 x 160 pixels
• Contrast: 1:400
• 262,000 colours
• LED backlighting
• Dimensions (W x H x D): 50 x 35 x 5 mm
• Visible area (W x H): 35 x 28 mm
• Panel: JD-T18003-T01
• IC driver: ST7735R
• MicroSD card slot
• SPI interface
• Compatible with Raspberry Pi and Arduino
Note: Programming experience is required to use this item.
Raspberry Pi not included"
Technical data
- Connection: 10 cm cable with 2x1 Dupont socket connection
- Voltage: 5 V
- Current: 7 mA
- Revolutions: 7,516 RPM
- Dimensions (LxWxH): 30 x 30 x 10 mm
This amplifier module can be used to amplify an analog audio signal for passive loudspeakers. The Class D amplifier chip works power saving and needs no external cooling.
Technical data• Operating voltage: 5 V DC
• connections solder pads:
- Audio input
- power supply
- speaker output
• output power: 2x 3 W (4 Ohm)
• 2 channel
• chipset: D-Class PAM8403
• dimensions: 25 x 16 x 3 mm
Due to the advantages such as extremely low power consumption, wide viewing angle, great effect under sunlight, it is an ideal choice for applications such as shelf labels, industrial instruments and so on.
Features
• no backlight, display the last content for a long time even when power off.
• very low power consumption, basically the power is only needed for updating.
• compatible with Raspberry Pi 2B/3B(+)/Zero/Zero W
• Preserved solder pads for SPI interface, to connect with other controller boards like Arduino/Nucleo, etc.
• comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32).
Specifications
• operating voltage: 3.3 V
• Interface: SPI
• dimensions (LxW): 65 × 30.2 mm
• display size (LxW): 23.71 × 48.55 mm
• dot pitch: 0.194 × 0.194 × 0.194
• resolution: 212 × 104
• display color: black, white, red
• grayscale: 2
• full refresh time: 15 s
• update power: 26.4 mV (typ.)
• standby power: <0,017 mV
• Betrachtungswinkel: >170°.
Scope of delivery
• 2.13"" e-Paper HAT
• spacer bolts, screws and nuts
• 9-pin SMD header with 2.54 mm pitch
delivery without developer board
https://www.waveshare.com/wiki/2.13inch_e-Paper_HAT_(B)0,017>"
Technical data
- Great value
- Voltage: 3 - 5 V DC I/O
- Max. 2.5 mA during conversion (during data request)
- Humidity measurements from 0 - 100% with 2 - 5% accuracy
- Temperature measurements from -40 - 80°C/± 0.5°C accuracy
- Sampling rate no higher than 0.5 Hz (once every two seconds)
- Dimensions: 27 x 59 x 13.5 mm
