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Vector86 · 09-02-2005, 11:37 AM

I'm a CompE/EE student, but I haven't gotten into actually making circuits yet. Anyways, for FSAE, I "volunteered" to make a circuit for the car. Basically when the circuit recieves a 12v signal, it starts a timed delay, at the end of the delay, power is cut to another device. I was trying to accomplish this with a 555 timer and a d-type latch, but it doesn't work in the simulation software I'm using. Any help would be appreciated. Oh, BTW, I can't use relays, and the timer needs to have a variable delay.

09-02-2005, 11:37 AM	#1
Vector86 Cooling Savant Join Date: Jun 2002 Location: KANSAS "it's not just cows"! Posts: 211	I need help with a basic circuit I'm a CompE/EE student, but I haven't gotten into actually making circuits yet. Anyways, for FSAE, I "volunteered" to make a circuit for the car. Basically when the circuit recieves a 12v signal, it starts a timed delay, at the end of the delay, power is cut to another device. I was trying to accomplish this with a 555 timer and a d-type latch, but it doesn't work in the simulation software I'm using. Any help would be appreciated. Oh, BTW, I can't use relays, and the timer needs to have a variable delay.