This power inverter or voltage inverter generates high voltage from 24V and 5V supplies. We found it in an old American documentation. Transformer and MOSFET are according to the desired power.
This circuit was obtained from a 1962 magazine. It can still be mounted to be powered from 6 V...
This electronic level or plumb indicator has two mercury switches as sensors. The indication is...
This inverting amplifier has a transistor output stage that can increase its current capacity. Higher...