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...
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...
DHT11 sensor data to Thingspeak using a Wemos D1
In this example we will connect a DHT11 sensor to our Wemos D1, we will then send the temperature and humidity values to thingspeak.
DHT11...
Wemos and MAX44009 ambient light sensor example
The MAX44009 ambient light sensor features an I²C digital output that is ideal for a number of portable applications such as smartphones, notebooks, and...
Interfacing an AD keypad module to your Wemos
I purchased this module as part of a microcontroller kit, its an interesting little module as it has 16 buttons but with only 1 I/O...
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...
Wemos and MAG3110 magnetometer
Freescale’s MAG3110 is a small, low-power, digital 3-axis magnetometer. The device can be used in conjunction with a 3-axis accelerometer to realize an orientation...
Wemos and TMP36 example
The TMP35, TMP36, and TMP37 are low voltage, precision centigrade temperature sensors. They provide a voltage output that is linearly proportional to the Celsius...
Control a Wemos using an application on your PC
In this example we will control an RGB led connected to our Wemos Mini from an application running on our PC. In this example...
Wemos Mini and a TTP223 Capacitive Touch Sensor
In this example we will connect a TTP223 Capacitive Touch Sensor to our Wemos Mini. The TTP223 is a touch pad detector IC which offers 1...
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...
VL53L0X Time-of-Flight sensor and ESP8266
The VL53L0X is a new generation Time-of-Flight (ToF) laser-ranging module housed in the smallest package on the market today, providing accurate distance measurement whatever...
ESP8266 and TCS34725 Color Sensor
The TCS3472 device provides a digital return of red, green, blue (RGB), and clear light sensing values. An IR blocking filter, integrated on-chip and...
ESP8266 and LPS22HB absolute pressure sensor example
In this article we look at another absolute pressure sensor - this time its the LPS22HB
Once again lets look at this sensor from the...
A basic NodeMCU and Simba OS example
Ok, I had heard of Simba OS but hadn't managed to try it, as quoted "2Simba is an RTOS and build framework. It aims...
ESP8266 and RFID-RC522 module example
In this example we will connect an RFID-RC522 module and connect to a Wemos Mini
The microcontroller and card reader uses SPI for communication ....