Indicated for adjustment in transmitters for the 11-meter band, this circuit with analog meter was found in the Radio Electronics magazine of January 1978. The circuit does not use a power supply.
Some delicate sensors such as reed-switches and even sensors made with small metal plates do not...
This circuit was found in documentation from the 1980s. The circuit uses several components of the...
This simple circuit for experimental LED sequencing is based on a multivibrator with transistors....