I've searched the forums here and it seems that most of the timer discussions center around a 555 programmable timer or other more elaborate needs. I am looking for a simple, inexpensive countdown timer that will allow a user to enter minutes and/or seconds and then hit start to light up the LEDs and then close the circuit when the time has elapsed. There seem to be a lot of programmable timers out there that are vast overkill for a small project like this. Anybody have a source for a readymade simple 12V circuit timer/switch? Even something with just seconds and and up or down arrow to set the desired time would work. Looking for simple and cheap.