We found these circuits in a 90s Radio Electronics. In them, we have the way to turn a load on and off using pressure switches. The circuit can be used with other types of direct current load.
This circuit can produce signals up to 100 kHz depending on C1 and R1 adjustment. The output has a...
The fraction of watt amplifier shown can be powered by voltages from 6 to 9 V. It is not...
This metering bridge circuit uses one power supply only. The operational ones depend on the...