This circuit is from the 1983 Intersil Databook. The circuit has an A / D converter for display of 4 and a half digits being powered by a voltage of 9 V.
In the standby condition, the consumption of this timer circuit is practically nil. The idea is a...
With this circuit it is possible to fire an SCR from the light that falls on a phototransistor. The circuit...
We found this simple fuzz for guitars in a 1987 publication. It is interspersed between the...