This circuit uses components that are still common despite being from 1995 documentation. The circuit can be powered by 6 to 12 V voltages and the speed of the LEDs' sliding effect is set to P1.
Found in American documentation from the 90s, this circuit has the signal frequency determined by...
This two-transistor regenerative switch works as an excellent trigger for SCRs and other devices that...
This receiver for listening to headphones and 2-battery power was found in Japanese documentation from the...