At 01:33 PM 20/07/2006, you wrote: >A meter or two. I know you must have thought of this before, but is there any reason why you can't put a diode across the solenoid's coil? The diagram seem good otherwise with D3 providing reverse polarity protection to the circuit, but I would feel much better seeing D2 on the solenoid itself. D12 not really necessary. Regards John Samperi ******************************************************** Ampertronics Pty. Ltd. 11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA Tel. (02) 9674-6495 Fax (02) 9674-8745 Email: john@ampertronics.com.au Website http://www.ampertronics.com.au *Electronic Design * Custom Products * Contract Assembly ********************************************************
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Re: [AVR-Chat] Re: Reverse polarity AND flyback protection
2006-07-20 by John Samperi