Saturday 14 November 2015

Heavy Duty Relay

This is the latest addition into my ever growing family of astronomy relays. I already have got commercial 8-channel UDP relay, 8-channel Web relay, 4 port IP relay and DIY 4 channel Arduino relay shield. This is basically Arduino relay shield with some hardware modifications to enable serial re-connects and even to survive host computer reboots without resetting states of the ports. This relay will control heating devices etc.

Connectors are standard male and female DC plugs:

Connectors close-up:

The enclosure (waterproof is little bit overkill here):

The whole beast:

Control program which I wrote based on skeleton I found:

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