This flasher circuit consists of an astable multivibrator with the frequencies given by the capacitors. The circuit is from 1965 using light bulbs, but LEDs can be used. Power comes from 4 batteries.
The figure shows how to implement a filter against interference caused by the switching of a...
The pulses applied to input C of the SAA1027 integrated circuit determine the engine speed. Each...
This circuit was obtained from an old publication from 1974 but can still be assembled with some...