This circuit was obtained in an English magazine from 1978. We can easily assemble it because all the components are common. The transistor can be a BC548 for power up to 6 V and BD135 for power over 6 V up to 12 V.
This circuit was obtained in an English magazine from 1978. We can easily assemble it because all the components are common. The transistor can be a BC548 for power up to 6 V and BD135 for power over 6 V up to 12 V.