Hi folks,
As I try mend most anything, have an old GPO pulse clock where customer needed a driver giving a single pulse 30 seconds apart and reset facility.
Initially used a modern clock movement with a modified minute hand and an opto interrupter, plus a multivibrator giving fast reset as pulse clock has no mechanical reset.
Works fine, but seems rather crude in this day and age - any thoughts on something more digital, or might be taken for one of those ancient valve chaps - whatever valves were (good PD500s for sale - an exceptional audio triode for currently trendy, low 3rd push-pull audio amps with a modest 25KV HT supply, have no suitable output transformers though) - Chris.
Topic: Timers - one for enthusiasts (Read 4600 times)