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Wemos Mini and a PCF8574

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Wemos Mini and L3GD20 sensor

The L3GD20 is a low-power three-axis angular rate sensor. This is the module I bought for reference

More information can be found at http://www.st.com/content/st_com/en/products/mems-and-sensors/gyroscopes/l3gd20.html about the sensor

 

Features

Three selectable full scales (250/500/2000 dps) I2 C/SPI digital output interface 16 bit-rate value data output 8-bit temperature data output Two digital output lines (interrupt and […]

Wemos Mini and MMA8451 accelerometer

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Wemos Mini and DHT Pro example

In this example we connect the DHT22 Single Bus Digital Temperature Humidity Sensor (DHT Pro shield) to our Wemos Mini , you can see this in the picture below which shows the shield

dht22

 

Code

There are basic examples , the code below is based on the example from https://github.com/wemos/D1_mini_Examples.git

Source code   #include "DHT.h" #define DHTPIN […]