VEML6075 ultraviolet (UV) light sensor and ESP266

The VEML6075 senses UVA and UVB light and incorporates photodiode, amplifiers, and analog / digital circuits into a single chip using a CMOS process....

ESP8266 and HDC1080 humidity and temperature sensor

The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over...

Wemos and 4067 example

The 4067 was one of the IC's that I wanted to connect up to various microcontrollers as it looked extremely useful, here is a quick...

3 channel tracking sensor example

This Tracking Sensor for Arduino can detect the white lines in black and black lines in white. This particular module has 3 sensors Using infrared...

ESP8266 and vibration sensor module

In this example we connect a vibration motor module to an ESP8266. This is the type of motor that you could find in a...

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...

SHTC1 digital humidity sensor and ESP8266 example

In this article we look at another digital humidity sensor - this time its the SHTC1 and we will connect it to a Wemos...

ESP8266 and GY-21P module example

This module  combines a BMP280 sensor and an SI7021 sensor. The on-board BMP280+SI7021 sensor measures atmospheric pressure from 30kPa to 110kPa as well as...

PCF8575 I/O expander and ESP8266 examples

This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 5.5-V VCC operation. The PCF8575 device provides general-purpose remote I/O...

The Wemos IR controller shield

In this small article we take a look at the IR controller shield, this is a shield which can act as an IR receiver...

Wemos LSM303 example

The LSM303 3D Accelerometers/Magnetometer Models are a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. These best-in-class eCompass devices...

Wemos and TEMT6000 light sensor

TEMT6000X01 ambient light sensor is a silicon NPN epitaxial planar phototransistor in a miniature transparent 1206 package for surface mounting. It is sensitive to...

Wemos HDC1008 sensor example

The HDC1000 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The device measures humidity...

ESP8266 and PIR example in Micropython

In this example we look at a PIR example in Micropython for an ESP8266. Once again we use uPyCraft and again we use Wemos...

Wemos Mini and I2C LCD example

Sometimes a nice big LCD is useful for your projects, in this example we will interface to an I2C LCD using our ESP32. Now...

APDS-9930 ambient light and proximity sensor example

The APDS-9930 provides digital ambient light sensing (ALS), IR LED and a complete proximity detection system in a single 8 pin package. The proximity...