Hi all I need some advice, i am not a electrial guy so hope some = one can help me on this Current i need to design some sort of electrical control switch to = distrubute a signal of varible voltage from 0 to 80V of current less = than 50mA.=20 It will be a one to four configuartion where the path will be = control electrically by PIC.=20 I was thinking of using relays for that but i am not very sure if = this is advisable. Please advice Regards -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist