VEML6040 color sensor and ESP8266

VEML6040 color sensor senses red, green, blue, and white light and incorporates photodiodes, amplifiers, and analog / digital circuits into a single chip using...

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...

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...

PAJ7620 gesture sensor and ESP8266

The PAJ7620 integrates gesture recognition function with general I2C interface into a single chip forming an image analytic sensor system. It can recognize 9...

ESP8266 and LSM6DS3 accelerometer and gyroscope example

The LSM6DS3 is a system-in-package featuring a 3D digital accelerometer and a 3D digital gyroscope performing at 1.25 mA (up to 1.6 kHz ODR)...

WS2812B RGB SHIELD for WeMos D1 mini examples

In this example we look at a new wemos shield (for us anyway), this is called the RGB shield and as you might expect...

MLX90614 infrared thermometer example

The MLX90614 is a non-contact infrared thermometer with a measurement range from -70 to +380 degree Celsius. Just connect the four leads to your...

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 and MCP3008 example

The Microchip MCP3008 ADC is a 10-bit Analog to Digital (A/D) converter with on-board sample and hold circuitry. Communication with the device is accomplished using...

ESP8266 and BMA400 acceleration sensor example

In this article we look at another acceleration sensor - this time its the BMA400 Lets take a look at the sensor and its features Description The...

Some Neopixel examples

This example takes the Wemos Mini Ws2812B example a bit further on and use an 8 LED Neopixel strip Here is an image of the strip we...

ESP8266 and BMA250 acceleration sensor example

The BMA250E is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. Featuring 10 bit digital resolution,...

Wemos and a MQ-135 sensor

MQ-135 gas sensor is a hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other...

Wemos and L9110 Fan module example

In this example we connect an Arduino to a L9110 fan module. The L9110 is anASIC device control and drive motor design two-channel push-pull power...

Using a MMC5603 Triple-axis Magnetometer sensor with an ESP8266

In this article we look at a Triple-axis Magnetometer, the MMC5603 and connect it to an ESP8266 board - a Wemos D1 Mini pro...

Wemos Mini and HC-SR04 ultrasonic sensor

The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do. Ultrasonic ranging module HC-SR04 provides 2cm - 400cm...