This flashing allegory with 555 integrated circuits was found in the Radio Electronics Experimenter magazine from 1989. It is a simple circuit to assemble.
This circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit is based...
The circuit illustrated in Figure allows external loads (8) to be driven from parallel port...
The sensor of this circuit is a thermistor of the same value as the adjustment circuit formed by...