This project demonstrates how to interface a relay module with an Arduino to control high-voltage appliances safely. The setup involves using a relay as a switch, allowing the Arduino to control ...

An Arduino mega would be the ideal choice for getting everything running ... Just received the SainSmart 16-Channel 12V Relay Module for Arduino and am surprised there was no pin-out or schematic ...

[Andy] stuffed some more RAM onto an Arduino Mega and his three-part walk through ... The build is centered around a 512K × 8 SRAM module [PDF warning]. Because the RAM is divided up into ...