This circuit produces a signal when the turn signal is on, preventing it from being forgotten in this condition. The circuit was found in a Popular Electronics from the 80s.
This sensitive medium wave (MW) radio pick up the local station without the need of an external...
This audio circuit was published in a Rado Electronics issue from October 1963. The transistors are from...
Using a V/F converter this circuit was found in the June 1991 issue of Radio Electronics magazine. The...