This circuit controls 6 LEDs in two sets with the phase change cycles controlled by a 555 oscillator. The circuit can be powered by voltages between 6 and 12 V.
Found in a PE Hobbyst Handbook, this circuit checks if there is voltage in a power outlet by...
This circuit was found in an article in Electronics Now magazine from June 1998. The sensor...
This circuit generates an FM signal of 4.7 or 10.7 MHz for audio signals on analog TV or FM, with...