Review Frei debo rtc ds1302 developer boards rtc real time clock ds

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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SOLDERED DEBO RTC - Developer boards - Real-time clock - RTC, PCF85063A 16.31 EUR 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

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FREI DS 1302 - Real-time clock, clock/calendar, DIP-8 13.04 EUR Trickle charge time-keeping chip
• Timepiece
Enclosure: DIP-8

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FREI D1Z RTC - D1 Shield - Real-Time Clock, DS1307 14.34 EUR With this RTC-Shield the D1- Mini can be extended by real time clock.

• DS1307 chipset
• optional: CR1220 backup battery

Pinout
• 5 V: 5 V power supply
• D1: SCL
• D2: SDA
• GND: Ground

Note:Delivery includes 6 pin headers (2x 8 pin male - male, male - female, male long pin - female each).
CR1220 button cell not included!

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FREI DS 1302 Z - Real-time clock, clock/calendar, SO-8 11.66 EUR The DS1302 trickle-charge timekeeping chip contains a real-time clock/cale ndar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial inte rface. The real-time clock/ca lendar provides seconds, minutes, hours, day, date, month, and y ear information. The end of the mont h date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Interfacing the DS1302 with a microprocessor is simplifi ed by using synchronous serial communication. Only three wires are required to communicate with the clock/RAM: CE, I/O (data line), and SCLK (serial clock). Data can be transferred to and from the clock/RAM 1 byte at a time or in a burst of up to 31 bytes. The DS1302 is designed to operate on very low power and retain data and clock information on less than 1 µ W.

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FREI RPI RTC CLOCK - Raspberry Pi - Real-Time Clock Module (RTC), DS3231SN 14.71 EUR Real time clock module for Raspberry Pi with very high accuracy.

Technical data

• for all current Raspberry Pi versions
• high accuracy
• energy efficient
• 2 calendar clocks
• 1 Hz and 32.768 kHz output
• I2C bus (400 kHz)
• voltage: 2.3 ... 5.5 V DC
• digital temperature sensor
• dimensions: 15 x 13 x 14 mm

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FREI DS 1307 - Serial real-time clock, 56byte clock/calendar, DIP-8 13.93 EUR DS1307, Serial, I2C Real-Time Clock

Description:
The DS1307 serial RTC is a low-power, full BCD clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I2C, bidirectional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. A built-in power-sense circuit that detects power failures and automatically switches to the backup supply. Timekeeping operation continues while the part operates from the backup supply.

Features
• Completely Manages All Timekeeping Functions
o Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
o 56-Byte, Battery-Backed, General-Purpose RAM with Unlimited Writes
o Programmable Square-Wave Output Signal
• Simple Serial Port Interfaces to Most Microcontrollers
o I2C Serial Interface
• Low Power Operation Extends Battery Backup Run Time
o Consumes Less than 500nA in Battery-Backup Mode with Oscillator Running
o Automatic Power-Fail Detect and Switch Circuitry
• 8-Pin DIP and 8-Pin SO Minimizes Required Space
• Underwriters Laboratories® (UL) Recognized

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FREI DS 1629S - Real-time clock, thermometer, thermostat, SO-8 22.66 EUR 2-wire digital thermometer and real-time clock
• Digital
• Measuring range: -55 - +125°C
• Enclosure: SO-8
Manufacturer: Dallas

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ANALOG DEVICES DS 1307Z - Serial real-time clock, 56 byte clock/calendar, 8-pin SOIC 11.76 EUR DS1307, Serial, I2C Real-Time Clock

Description:
The DS1307 serial RTC is a low-power, full BCD clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I2C, bidirectional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. A built-in power-sense circuit that detects power failures and automatically switches to the backup supply. Timekeeping operation continues while the part operates from the backup supply.

Features
• Completely Manages All Timekeeping Functions
o Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
o 56-Byte, Battery-Backed, General-Purpose RAM with Unlimited Writes
o Programmable Square-Wave Output Signal
• Simple Serial Port Interfaces to Most Microcontrollers
o I2C Serial Interface
• Low Power Operation Extends Battery Backup Run Time
o Consumes Less than 500nA in Battery-Backup Mode with Oscillator Running
o Automatic Power-Fail Detect and Switch Circuitry
• 8-Pin DIP and 8-Pin SO Minimizes Required Space
• Underwriters Laboratories® (UL) Recognized

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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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IDUINO ARD RTC DS1307 - Arduino - RTC - Real Time Clock, Tiny RTC Module, 24C3232K 11.19 EUR Real-time clocks (RTCs) are, as the name suggests, clock devices. The DS1307 real-time clock IC is an 8-pin device with an I2C interface, a low-power calendar with 56 bytes of battery-backed SRAM. The clock/calendar provides seconds, minutes, hours, day, date, month and year. The end date of each month is automatically adjusted, especially for months with less than 31 days.

The main advantage of RTCs is that they have battery backup, which keeps the clock/calendar running even in the event of a power failure. An exceptionally small amount of power is required to keep the RTC running.

Technical features

DS1307 RTC
I²C interface
for LIR2032 (not included)
less than 500 nA in backup mode

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FREI DEBO LED RGB - Developer boards - LED, RGB, 5 mm 10.88 EUR This LED module contains a red, blue and green LED. These are connected to each other by a common cathode. A total of 16.7 million colours can be displayed.

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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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FREI DS 2417P - Real-time clock, 1-wire, TSOC-6 15.64 EUR Real-time clock, 1-wire, interrupt
Enclosure: TSOC-6
Manufacturer: Dallas

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FREI DEBO LCD 16X2 BL - Developer boards - Display, 16 x 2 characters, blue 15.64 EUR This display can be used for all common developer boards, such as Raspberry Pi or Arduino.

Specifications
• 16 x 2 characters (2 rows with 16 columns)
• HD44780 industry standard
• with soldered-on I2C communication adapter
• therefore only 4 I/O lines (power supply + 2x data lines) are required for operation
• both 3.3V and 5V logic level (@power supply 5V)
• 16 x 2 characters (2 lines with 16 columns)
• backlight: color blue

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FREI DEBO SEN ULTRA - Developer boards - Ultrasonic distance sensor, HC-SR04 13.52 EUR The ultrasonic module works at a distance range from 3 to 400 cm. The maximum deviation in this regard is just 0.3 millimetres. This module is also ideal for mobile use thanks to its compact size and high-quality finish.

• Range: 3 to 400 cm
• Operating voltage: 5 V DC
• Frequency: 40 kHz
• Trigger pulse width: 10 µs
• High measuring accuracy (maximum deviation: 0.3 mm)

Dimensions: 43 x 20 x 15 mm

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FREI DEBO SEN ULTRA2 - Developer boards - Ultrasonic distance sensor, HC-SRF05 13.46 EUR Developer boards - Ultrasonic distance sensor, HC-SR05

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FREI DEBO 2WD SPEED - Developer Boards - Speed/Distance Measurement Module 12.43 EUR Geschwindigkeitsmessung für Zweirradantriebe aus einem Modul mit zwei Gabellichtschranken.
Unterbrechungen zum Beispiel durch Spalte in den Felgen können als Unterbrechnung des Signals erkannt und ausgewertet werden. Integrierte Schmitt-Trigger sorgen für ein stabiles Signal!

Technische Daten

Versorgung über 5 V DC
Ausgang 5 V TTL
Schmitt-Trigger

Anschlussbelegung

1 - Spannungsversorgung
2 - Masse
3 - Ausgang 1
4 - Ausgang 2

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FREI DEBO RELAIS 16CH - Developer boards - relay module, 16-channel, 12 V 28.14 EUR With this 16-channel relay module, large loads can be easily controlled/switched with 5 V from a microcontroller, e.g. Raspberry Pi, Arduino.... can be controlled / switched. All connections are accessible via screw terminals and can therefore be easily connected to a Raspberry Pi or other board using Dupont cables, for example. The definable switching level can be used to switch with either a high or a low level.

Features

12 V interface card with 16 relays
Driver current only 15 - 20 mA
Switching capacity 250 V AC / 10 A or 30 V DC / 10 A
Standard interface
Indicator LEDs for each channel
Dimensions: 120 x 90 x 20 mm

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FREI DEBO DCDC DOWN 4 - Developer boards - voltage regulator, DC/DC converter 12.01 EUR Small Step-Down Converter with adjustable output voltage

Technical properties

• Input voltage: 4.75 ... 23 V DC
• Output voltage: 1 ... 17 V DC (adjustable)
• Max. output current (permanent): 1.8 A
• Max. output current (short time): 3 A
• Conversion efficiency max. 96
• switching frequency 340 KHz
• Operating temperature: -40 ... +85 °C
• Dimensions (LxWxH): 18 x 12 x 4.5 mm

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FREI DEBO LVL KA2284 - Developer boards - Voltage level indicator, KA2284 11.86 EUR Batteriestandsanzeige mit fünf LED-Leuchten, die mit steigender Spannung nach und nach aufleuchten.
Der AC- und DC-Eingang dieses Moduls kann durch einen Jumper ausgewählt werden und er kann Spannungen von 3,5 V bis 12 V verarbeiten.

• Chip: KA2284
• Versorgungsspannung: 3,5 V - 12 V
• Einstellbarer Leistungspegelbereich
• AC/DC - Eingang wird durch einen Jumper geregelt
• Maße PCB: 29 x21 mm

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FREI DEBO DCDC DOWN 3 - Developer Boards - Voltage Regulator, DC/DC Converter, LM2596 12.53 EUR This step-down converter allows you to step down an input voltage of up to 30 V to a voltage between 1.2 V and 18 V. Cables for connection are included. Cables for connection are included. The whole circuit is protected against short circuit.

Features

Input voltage: 3 - 30 V DC
Output voltage: 1.2 - 18 V DC
Chipset: LM2596
Output current: max. 3 A
Efficiency: max. 93 %
Dimensions: 37 x 37 x 14 mm

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FREI DEBO DCDC UP 2 - Developer Boards - Voltage Converter, DC/DC, LM2577 16.62 EUR The voltage converter processes voltages from 3 - 34 VDC and outputs voltages from 4 - 34 VDC.
The output is controlled by a multi-turn potentiometer.
Excellent for operating 12 V devices with a 5 V supply.

Features

• LM2577
• input voltage 3-34VDC
• Output voltage continuously adjustable 4-35VDC
• Maximum output current 2.5A
• Dimensions: 66(L) x 35(W) x 12(H )mm

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FREI DEBO RELAY2 4CH - Developer boards - Relay module, 4 channels, 5 V 15.84 EUR This 4-channel relay module with an operating voltage of 5V is suitable for applications in automation technology and offers simple control of loads via digital signals. It is compatible with various microcontroller platforms such as Arduino (or a compatible board such as Dasduino).

Technical specifications:

Voltage: 5 V
Number of channels: 4
Contact load: 10 A
Relay: mechanical
Control signal: 5 V TTL

The relay module enables the control of up to four different devices or circuits via the control pins of the microcontroller. It has mechanical relays that can switch up to 10 A at 24 V. It is controlled via 5 V TTL signals, which makes it easy to integrate into existing systems. The robust relay contacts are suitable for a wide range of applications in automation technology, such as controlling motors, lights or other electrical devices.

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FREI DEBO XH-W1209 T - Developer Boards - Thermostat, 12 V, digital, W1209 13.83 EUR This thermostat module can be used to switch a consumer at a desired definable temperature. The module can be programmed via the LED display with different option codes.

Temperature range: -50 ... +110 °C
Resolution: 0.1°C (-9.9 ... 99.9 °C), 1 °C (other ranges)
Measuring accuracy: 0.1°C
Update rate: 0.5 s
Operating voltage: 12 V DC
Current consumption static: 35 mA
Current consumption when relay is energized: 65 mA
Measuring probe: NTC (10K 0.5 %) water-protected
Output: 1 channel relay / 10 A
Operating temperature: -10 ... +60 °C / Humidity: 20 ... 85%
Cable length measuring probe: approx. 50 cm
4 holes for screw mounting (M3.0) or for installation in an optional housing
PCB dimensions: 50 x 40 x 16 mm

Note: The module stores all data in case of power interruption.

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FREI DEBO DCDC 2.5W - Developer boards - Voltage regulator 2.5 W, DC/DC converter, LM2 13.04 EUR Adjustable voltage regulator in buck converter topology.

Features

Input voltage: 3 ... 30 V
Output voltage: 1.3 ... 28 V
Output current: 2 A ( with additional heat sink up to 3 A)

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FREI DEBO TOUCH SENS2 - Developer boards - Board for capacitive touch sensors, MPR121 12.53 EUR The MPR121 is a capacitive touch sensor controller that is controlled via I2C interface. Conductive surfaces can be used as capacitive touchpads and controlled via the module. The chip can control up to twelve separate electrodes, plus a simulated thirteenth electrode. The MPR121 also has 8 LED driver pins. If these pins are not configured as electrodes, they can be used to drive LEDs.

Features

• Operating voltage:1.71 ... 3.6 V DC
• Operating temperature: -40 ... +85 °C
• Dimensions (LxW): 31 x 20 mm

2 matching pin headers included in the scope of delivery

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FREI DEBO GESTURE 9X - Developer boards - gesture recognition 9-fold, PAJ7620U2 18.43 EUR This board contains the gesture recognition sensor PAJ7620U2, which can be accessed via I2C.
It can recognize 9 different gestures: Up, down, left, right, forward, backward, circle clockwise and counterclockwise, and waving. The PAJ7620U2 can also be used to detect approaching and distant objects.

Features

• Operating voltage: 1.8 ... 3,3 V
• Operating temperature: -40 ... +85 °C
• Recognition of 9 gestures
• Gesture speed Normal mode: 60°/s to 600°/s
• Gesture speed Gaming Mode: 60°/s to 1200°/s
• Immunity to ambient light: < 100k Lux
• built-in proximity detection
• flexible energy saving scheme
• I2C interface up to 400 kbit/s, pull-up voltage from 1.8V to 3.3V
• Ambient light noise reduction
• Dimensions (LxWxH): 14 x 14 x 5 mm

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FREI DEBO RELAY 2WAY - Developer boards - 2-way solid state relay, 5V, 240V/2A 15.79 EUR Board with two high quality Omron solid state relays (240 V / 2 A) and fuse

Technical data
Input voltage: 5 VDC
Switching threshold: 3- 5 V

Connections

DC+: positive power supply
DC-: negative power supply
CH1: low level trigger
CH2: low level trigger

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FREI DEBO1 3.7LI 0.5A - Developer boards - Charger board for 3.7V Li batteries, Mini-USB 13.26 EUR With this charger board lithium polymer batteries can be charged via Mini USB.

Technical data

• Input: Mini USB type B socket
• Output: JST PH 2.0 2-pin female
• Input voltage: 5 V
• Output voltage: 4.1 ... 4,5 V
• Charge current: 500 mA
• built-in chipset: MCP73831

LED status
• fast flashing: no battery connected
• permanently lit: Charging
• very faint glow: wrong polarity
• off: Battery fully charged

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FREI DEBO LLC 3.3-5 - Developer boards - TTL Logic Level Converter, 3.3V / 5V 11.4 EUR Die viele Entwicklerboards unterstützen nur 3,3 V oder 5 V. Mit diesem Level-Shifter verbinden Sie beide Welten miteinander.

Der LLC ist sehr einfach zu bedienen. Aufdrucke auf der Platine helfen zu erkennen, welche Pins was tun. Insgesamt gibt es zwölf Pins - sechs auf jeder Seite.

Technische Daten
• 2 Kanäle mit Hochspannungslogik und Niederspannungslogik- bidirektionale Umwandlung
• 2 Kanäle von Hochspannungslogik Conventer zu einer Niederspannungslogik- One-way-Konvertierung
kompatibel mit vielen Breadboards
Maße: 1,5 x 1,5 cm

Eine genaue Beschreibung der Anschlussbelegung finden Sie verständlich illustriert in der hinterlegten Anleitung.

Hinweis
Hoch- und Niederspannung beziehen sich bei diesem Board auf die 3,3 V beziehungsweise die 5 V Ebene.

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FREI DEBO RELAY 8WAY - Developer boards - 8-way solid state relay, 5V, 240V/2A 25.87 EUR 8-channel solid state relay with fuse and built-in damping circuit

Technical features

Relay type: Omron 1565E G3MB-202P
Output voltage 100 - 240 V AC
switching thresholds: 0 - 2.5 V =OFF / 3 - 5 V = ON
with zero crossing
Isolation by phototriak

Connections

DC+:Power supply ( 5 V DC)
DC-: Ground connection
IN1 ... IN8: Signal output, active at high level

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FREI DEBO LCD 2.2 - Developer boards - Display LCD, 2.2'', 220 x 176 pixels, ILI9225 18.48 EUR Display LCD, 2.2'', 220 x 176, ILI9225

Specifications

• driver chip ILI9225
• resolution 220 x 176
• SPI interface

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FREI DEBO LED 8X5050 - Developer boards - LED module, 8x SMD 5050, RGB 12.43 EUR LED module 8x SMD 5050

• attractive PCB design
• 8 tricolor (red, green and blue) full color LEDs
• scanning in control mode
• the different programs can show different color changing effect
• suitable for 51 AVR/AVR on different platforms like ARM/Arduino

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FREI DEBO SENS MFELD - Developer boards - magnetic field meter/compass module, GY-271 13.31 EUR This compass module based on the QMC5883 sensor is ideal for position determination, for example as a compass.

Technical data
• Operating voltage: 3 ... 5 V DC
• chipset: QMC5883L / DB5883
• Communication: IIC
• Measuring range: +/- 1.3-8 Gauss
• dimensions: approx. 13.4 x 13.3 mm

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FREI DEBO LED 140C05 - Developer boards - LED, 140C05, RGB 11.14 EUR LED, 140C05, RGB

Specifications

• RGB
• voltage: 5 V
• digital input
• Arduino 4 p interface

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FREI DEBO SEN HR202 - Developer boards - Humidity sensor, HR202 11.6 EUR Der HR202 ist ein einfach aber extrem kostengünstiger digitaler Feuchtigkeitssensor. Er eignet sich besonders zum Anschluss an Raspberry und Arduino, es wird kein zusätzlicher Treiber benötigt.

Merkmale

Betriebsspannung: 3,3 ... 5 V DC
Messbereich: 20 ... 95 %RH
Ansprechzeit: 20s (hygroskopisch), 40s (außerhalb der Nässe)
Genauigkeit: 5 % RH
Stabilität: 1 % RH/Jahr

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FREI DEBO TOUCH 16CH - Developer Boards - Touch Pad, 16 Keys, capacitive, TTP229 12.22 EUR The semiconductor-based touch pad is the durable alternative to classic keyboards with switches. Thanks to the capacitive measurement, the pad is also suitable for dusty or rough environments. The internal calibration detects changes in the environment and automatically adjusts the sensitivity.

Technical data

• Chipset: TTP229
• Supply voltage: 2.4 - 5.5 V DC
• standby consumption from 2 µA
• serial interface
• selectable sampling rate
• automatic calibration
• dimensions:65 x 50 mm

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ADAFRUIT DEBO SHD MOTOR - Developer Boards Shield - Servo, 16 Channel, 12 Bit, PCA9685 32.64 EUR PWM driver Shield with integrated clock

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

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FREI DEBO RTC DS1302 - Developer boards - RTC real-time clock, DS1302

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