This blinker for LEDs up to 500 mA was found in General Electric documentation from 1970. Transistors can be replaced with current equivalent types.
This circuit was found in a 1963 magazine, but can still be easily assembled with some current...
This amplifier stage has an input impedance of around 180k and a very low output impedance. The...
The coil of this analog composite video signal transmitter is formed by 6 or 7 splashes of 26 or...