A quick look at the Wemos TFT 2.4 Touch Shield

This is a 2.4 inch TFT shield for a Wemos, its a large shield thats more than twice the size of a D1 mini...

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...

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...

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...

Wemos and LIS2DH three-axis linear accelerometer example

The LIS2DH is an ultra low-power high performance three-axis linear accelerometer belonging to the “femto” family, with digital I2C/SPI serial interface standard output. The LIS2DH...

Wemos webserver example

In this example we will create a basic webserver example using our Wemos, it will connect to your Wifi network and then you will...

Wemos and reed switch example

The reed switch is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferrous metal reeds...

ESP8266 and MLX90393 magnetic field sensor example

The MLX90393 magnetic field sensor can be reprogrammed to different modes and with different settings at run-time. The sensor offers a 16-bit output proportional...

Wemos and Barometric Pressure Shield example

In this article we look at a relatively new shield for the Wemos/Lolin products - this is a Barometric Pressure shield based on a HP303B. Here...

Wemos Mini WS2812b example

The WS2812 family is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050...

A look at SHA-1 and ESP8266

Description In cryptography, SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value known...
ESP8266 and VEML7700 layout

VEML7700 lux sensor and ESP8266 example using the Arduino IDE

In this article we look at a ambient light digital 16-bit resolution sensor - this time its an VEML7700. As per usual we will...

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...

Using a STTS22H temperature sensor with an ESP8266

In this article we look at a temperature sensor, the STTS22H sensor from ST and connect it to an ESP8266 board Sensor Information The STTS22H is...

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...

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...