Whereas the Hammond has one tonewheel per note, this project uses an Arduino to drive a stepper at varying speeds to produce different notes. Like we said, it’s a proof of concept ...

Espressif Systems has just started mass production of the ESP32-C5 RISC-V wireless microcontroller with dual-band (2.4/5 GHz) WiFi 6, Bluetooth LE, and 802.15.4 (Zigbee, Thread) connectivity. The ...

A web-based MQTT scheduling system that controls an Arduino relay based on user-defined schedules through a modern web interface.

The most important part is that the Arduino board must be able to manage the commands from the user. It will control loads sent to appliances by using Opto-isolators cum TRAIC arrangements.