This library gives easy control over the 16 pins of a (SPI) MCP23S17 chip. This IC is strongly related to the MCP23017 I2C port expander - https://github.com ...

If an Arduino port is not showing up, your USB connection might be faulty or the ports may be disabled entirely. We will show you how to enable a port in Arduino and look it up in the Device Manager.

We have designed an Arduino-based GPS Tracker using the NEO-6M GPS Module. A GPS (global positioning system) tracker utilises satellite signals to accurately determine the location of an object or ...

If you're developing a wrist watch, a small light-following robot, or a portable weather station with Arduino, one of the best boards you can use is the Nano, and for good reason. It's pretty compact, ...

Leonardo Russo’s ArduinoSimulator is an open-source Arduino Simulator written in JavaScript that runs code directly in your web browser and shows the serial output and digital/analog pins status for ...

Retro computing lets you get to grips with technology's history, showing how far modern computers have come. Here's how to build your own working Apple I replica. Computers have come a long way since ...

OpenPLC is an open-source, free-to-use Programmable Logic Controller Suite, compliant with the IEC 61131-3 standard, and working with a range of hardware platforms such as Arduino, ESP8266/ESP32, ...

Perhaps one of the most common modules in an Arduino starter kit, the RGB LED lets you create all sorts of colors with just four pins from the Arduino. This tutorial demonstrates two ways to use this ...

An infrared proximity sensor, or IR Sensor, is an electronic device that emits infrared light to detect objects and motion in Arduino projects. This interfacing of the IR sensor module with Arduino is ...