This is the transmitter for a remote-control system published in the August 1986 issue of Radio Electronics magazine. The circuit uses two 555 CMOS transistors to drive two series LEDs.
This circuit uses a 555 (according to the diagram) to generate 50 ms tone bursts at a frequency of 1.5...
This circuit, with output currents up to 500 mA, can stabilize or regulate the output voltage of a...
The circuit shown in the figure is a high-power version for Metronome 1, exciting an ordinary...