🚀 go-pugleaf

levi@bluemoon.uucp (Brandon Moore) writes:

> 
>    Could anyone suggest a _cheep_ timer circuit for me?  By cheep I mean, 
> an inexpensive, one-use only design, using cheep parts and no IC's, but 
> still being fairly dependable.   Technicly, I need a timer which gives a 
> delay after a mechinism is activated (pushed, turned, etc.) before 
> discharging a current through another circuit attached by two leds.
>  
> Levi

Of course, the obvious choice is a 555 timer chip, but you said no ICs.
Otherwise an old favorite is an RC circuit charging to a unijunction
transistor's standoff voltage which in turn fires an SCR to provide
latching action.