??? You should not even have that relay powered from your logic supply, put that relay on another power rail and (of course) control it with a transistor. DLC 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? > > Thanks > Behrooz Hariri > > > > > > Yahoo! Groups Links > > > > -- --------------------------------------------------------------------- * Dennis Clark dlc@frii.com http://www.techtoystoday.com * * "Programming and Customizing the OOPic Microcontroller" Mcgraw-Hill * ---------------------------------------------------------------------
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Re: [AVR-Chat] Relay to 3-phase contactor: Spark and Noise
2006-10-16 by Dennis Clark