behrooz_hariri wrote: > The final contactor wich start/stop 3-phase motor and is connected to > a 5 volts relay on my AVR circuit board, cause spark and this has > negative effect on both AVR and specially LCD. > > Is there a circuit to diminish these electrical shocks? Yes. They're called "snubbers". Google for [relay snubber] Are you using an isolated solid-state relay? -- Ned Konz ned@bike-nomad.com http://bike-nomad.com
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Re: [AVR-Chat] Relay to 3-phase contactor: Spark and Noise
2006-10-15 by Ned Konz