Xadow Basic Sensors

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Xadow Basic Sensors.JPG

Xadow Basic Sensors integrates three different sensors on one single board:

  • 3-Axis Accelerometer for motion detection, activity monitoring and speed tracking
  • Dual diode Digital Light Sensor that can separately measure infrared, full-spectrum or human-visible light
  • Temperature Sensor for temperature monitoring

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  • Three-in-one sensor board
  • Plug-and-play if connected with RePhone Kit Create
  • Open source and modular design
  • Slim and small
  • Built-in 11 PIN Xadow Connectors for fully flexible connection with other Xadow Modules
  • Stackable, chain-able and sew-able with other Xadow Modules



Microcontroller STM32F030F4
Core ARM® 32-bit Cortex® -M0 CPU
Power Supply 3.3 ~ 6 V (via breakout pins)
Flash 16 KB
Clock Speed 48 MHz
Operating Temperature Range -30°C to 70°C
Interfaces Interface with Xadow GSM+BLE through I2C (7-bit address 0x03)
Dimension 25.37mm × 20.30mm / 1” × 0.8”

3-Axis Accelerometer (ADXL345)

Test g Range ±2g (default), ±4g, ±8g, or ±16g
Resolution Increase with g range, up to 13-bit resolution at ±16g

Digital Light Sensor (TSL2561) -- Approximates Human Eye Response

Dynamic Range (Lux) 0.1 to 40,000 Lux
Dual Photodiodes Infrared and full spectrum

Temperature Sensor (LM75ADP)

Temperature Range -55°C to 125 °C
Accuracy ± 2°C for temperature range from -25°C to 100°C

± 3°C for temperature range from -55°C to 25°C and from 100 °C to 125°C

Hardware Overview

Xadow Basic Sensors Overview

Use it with RePhone Kit Create

Obtain the Sensor Data

Without any programming, you can connect it to the Core Module (Xadow GSM+BLE) of your ‘RePhone Kit Create' to read all the data from the sensors.

Xadow Basic Sensors _ Sensor Value

Set 'If This Then That

You can also set the sensor data as a condition to trigger a series of actuators like audio, LED matrix and LED strip, or trigger actions like making a call and sending a message.

Xadow Basic Sensors _ Set Sensor Condition

RePhone Community

RePhone Community-2.png

We’ve been looking for a better place where our backers (RePhone Users) can sit together, warmly and comfortably, have conversations about RePhone, discuss technical problems, share ideas/projects, and give feedback on the modules’ development in the future. And then here we go, the RePhone Community.

Now join us in the RePhone Community! Together we seek answers, make interesting stuff, care about each other, and share our experiences.

Frequently Asked Questions

Some frequently asked questions in RePhone Community are collected and answered to the topic "Frequently Asked Questions of RePhone (FAQ)" , the topic will be kept updating whenever a new FAQ comes out.


We will be keep updating the source code on our github page:

The schematic diagram of Xadow Basic Sensors is provided in the following link:

Check more info about the datasheet for each sensors:

And the MCU STM32F030F4:

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