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...
MPL3115A2 pressure sensor and ESP8266
The MPL3115A2 is a compact, piezoresistive, absolute pressure sensor with an I2C digital interface. MPL3115A2 has a wide operating range of 20 kPa to...
ESP8266 and CJMCU-1010 capacitive touch module example
In this example we look at the CJMCU-1010 module - this is based on the AT42QT101x
The AT42QT101x Single Key capacitive touch controller family provides an easy...
ESP8266 displaying a QR code on an OLED display
In this example we will display a QR code on an OLED display with an ESP8266, in this case a Wemos mini. This will...
Wemos Mini and MMA8451 accelerometer
The MMA8451 is a low-power accelerometer with 14 bits of resolution, with the following features:
Embedded functions with flexible user-programmable options, configurable to two interrupt...
Using a LTR-303 Ambient Light sensor with an ESP8266
In this article we look at an Ambient Light sensor, the LTR-303 and connect it to an ESP8266 board - a Wemos D1 Mini...
ESP8266 and LM75 temperature sensor example
The LM75 temperature sensor includes a delta-sigma analog-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface...
Wemos MCP9808 digital temperature sensor example
ESP8266 and MCP9808 digital temperature sensor example
The MCP9808 digital temperature sensor converts temperatures between -20°C and +100°C to a digital word with ±0.5°C (max.)...
ESP8266 and OLED Micropython example
In this example we show an example written in Micropython using the uPycraft IDE. This time we will be trying out the Wemos OLED...
AM2320 temperature and humidity sensor and ESP8266 example
Temperature and humidity combined sensor AM2320 digital temperature and humidity sensor is a digital signal output has been calibrated. Using special temperature and humidity...
Wemos mini MATRIX LED Shield example
A new shield for the Wemos Mini came my way recently, this is called the MATRIX LED Shield - You can find out more...
AHT20 Temperature & Humidity Sensor and ESP8266 example using the Arduino IDE
In this article we look at a AHT20 Temperature & Humidity Sensor and we will connect it to a Wemos Mini
First lets look at...
VEML6070 ultraviolet light sensor and ESP8266
In this example we look at an VEML6070 UV sensor and connect it to an Arduino UNO
VEML6070 is an advanced ultraviolet (UV) light sensor...
ESP8266 and DS1624 sensor example
The DS1624 consists of two separate functional units: a 256-byte nonvolatile E2 memory and a direct-to-digital temperature sensor.
The nonvolatile memory is made up of...
PCA9685 LED controller and ESP8266 example
In this example we connect a PCA9685 LED controller to an ESP8266
The PCA9685 is an I²C-bus controlled 16-channel LED controller optimized for Red/Green/Blue/Amber (RGBA)...
Wemos HMC5883L example
The Honeywell HMC5883L is a surface-mount, multi-chip module designed for low-field magnetic sensing with a digital interface for applications such as lowcost compassing and...








