Most Makers and electronics enthusiasts may already know of the RA-02 LoRa Module. Many of them […]
Sometimes we need extra Inputs or Outputs on a device, or for use with a project. […]
Welcome to the final instalment of my 8 DI Optically Isolated Arduino Shield. Today I will […]
Introduction When designing IoT solutions, we all encounter the problem of connecting our device(s) to each […]
While working on a recent project, using a custom version of the ESP32, I had a […]
Today I will show you another useful IO Expander chip, The MCP23017. This chip, although similar […]
Using a matrix keypad is a very easy way to add multiple control buttons to a […]
In this tutorial, I’ll show you some of the important and frequently used ESP8266 AT Commands […]