This flasher for incandescent lamps was found in Radio Electronics magazine from July 1968. The frequency and duration of the pulses are adjusted in R1 and R3 depending also on C1.
Great sensitivity for the circuit can be obtained with a Darlington amplification step for the...
This 2005 circuit was found in an English publication and can be implemented with virtually any...
This car alarm was found in an American '80s documentation. The circuit automatically activates...