This circuit was found in the June 1986 issue of Radio Electronics magazine. It is based on two operational CA3140s and has a trigger voltage adjustment.
Found in American documentation from the 1970s, this circuit employs an integrated circuit from...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This assembly circuit using a small motor as a generator was found in Radio Electroics magazine from...