A simple relay driver.
Message Edited by K C on 10-26-2007 08:55 AM
I am sure that these devices are on the market, but you have to look for yourself.
The transistor is a standard NPN. a 2N2222A will do.
Something like a ULN2001.... you should use a ULN2003 for your circuit.
Here it is for 1 relay.
Message Edited by K C on 10-26-2007 04:23 PM