Found in a Popular Electronics from the 90s, this circuit can be used as an electrifier. T1 can be an old TV fly back transformer or an ignition coil.
This variable has its frequency controlled by voltages V1 and V2. The circuit is based on...
Indicated as a joke or challenge this circuit shows how it is possible to control two lamps using...
This small fluorescent lamp inverter (up to 20 W) can be powered by 12 V battery and even less. The...