Turn Signal and Brake Indicator (CB26293E)

Found in a Popular Electronics from the 90s, this circuit triggers an indicator when these lights are on. The circuit can be adapted for LEDs.

FM Transmitter (CB17399E)
The coils for this transmitter, found in a 2002 documentation, have the following characteristics: L1 - 4...
Electronic Machine Gun (CB17369E)
Touching the sensor with your fingers, this circuit produces a machine gun sound. The circuit must...
20 V Differential Amplifier (CB4493E)
The MC1436 can also be used on this circuit found in Motorola's 1993 Linear Interface ICs. The...