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 a 90s nHands On Electronics, this circuit triggers a relay that shuts off the load when...
This circuit uses germanium transistors and has a push-pull output with transformers. The circuit is...
Frequencies up to 50 MHz can be produced by this circuit, depending only on the used XTAL. L and...