This dual-tuned 60 Hz oscillator was found in the Radio Experimenter Special projects of 1993. The circuit has the timing ranges given by C1 which can be changed.
Alternating taps on the pressure switch or sensor, cause the output to alternate the high and low...
This VCO works in the opposite way to the previous circuit, converting continuous voltages into...
This is a typical common emitter stage circuit for general purpose transistor. Supply is 4.5V and...