Hey everyone, I'm working on a project where I use midi notes to switch 8 old lamps using the Arduino Uno. I've build a case with 8 wall sockets that are linked up to a relay board for the Arduino. I use the Hairless midi serial bridge to send midi notes via USB to the Arduino. This serial data is …

Arduino freezes when using power on my relay board

bigred1212 April 7, 2014, 6:59pm 4

What knut_nysaid.

SWITCH the relays from the Arduino. POWER the relays from somewhere else.

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