May 24, 2013
The 32 channel Relay board interface to Arduino. Dead simple. 5 amps per channel, 4 groups of eight channels, 20 amps max simultaneous per group.  Oh yeah, and did I mention, they daisy chain!

The 32 channel Relay board interface to Arduino. Dead simple. 5 amps per channel, 4 groups of eight channels, 20 amps max simultaneous per group.  Oh yeah, and did I mention, they daisy chain!