For the challenge, I wanted to send data from my computer's real serial port (RS232 9-pin connector). For that, I created an adaptor circuit because the voltages on a computer serial port are ...

if you not familiar with Arduino 101, Arduino 101 (USA ONLY) & Genuino 101 (OUTSIDE USA) combine the ease-of-use of the classic boards with the latest technologies. The board recognises gestures, and ...

This project demonstrates how to use MQTT to control 4 AC bulbs using the MIT App Inventor platform and NodeMCU. MQTT is a lightweight messaging protocol that is ideal for IoT applications, and ...

This is a simple project. It uses an Android device to switch an LED driven by the Arduino. Connectivity is provided by the Bluetooth module inserted in the breadboard. But one look at the UI on the ...