Yesterday evening I have build a small relays for switching high voltage lines with my Arduino. It uses the "Blink" example and switches on for 10 seconds then switches off for 10 seconds. I have used this document to get my work done.

Arduino Relays off
Relays switched off.

Arduino Relays on
Relays switched on.

Zoomed view

Posted in: arduinoelectronicsdiy

Tags: arduino, embedded, device, DIY, electronics, automation, relay,