Search found 2 matches

by rwehrs
Sat May 25, 2019 12:54 am
Forum: Raspberry Pi
Topic: relay board issue
Replies: 1
Views: 868

Re: relay board issue

i *think* i solved the problem using flyback clamping diodes. i ran a few hundred cycles with the added clamping diodes and it seems to have fixed the problem. in doing some reading, I believe there was some type of EMP or motor induction issue when the contacts of the relay were abruptly opened. i ...
by rwehrs
Wed May 22, 2019 11:27 pm
Forum: Raspberry Pi
Topic: relay board issue
Replies: 1
Views: 868

relay board issue

I hooked up a seeed relay board to my pi using the John M. Wargo write-up, and everything worked great. I currently have nothing else hooked to the GPIO pins besides the seeed board. I am using a usb keyboard and mouse, as well as an HDMI monitor. I can turn all 4 relays on and off using my python c...