This is a diagram of a 1970s reel or tape recorder. It is an Italian Geloso recorder, quite popular at the time. The circuit is a reference for equipment recovery.
Originally this circuit was indicated for a system of rocket fire by remote control using an FM...
Found in a 90s documentation, this circuit makes use of D1, a switching diode that is uncommon today....
This very simple brake light circuit is activated with the brake lights, just connecting it by...