This inverter circuit with transistors provides a voltage of 300 V from a 12 V supply. The current, with the original transistors, is only 55 mA. Transistors must be mounted on heatsinks.
Incandescent lamps and heaters can be controlled by a low power switch using this circuit. The...
August 2016 - It can be found at Mouser Electronics the new sensors light to digital OPT3002 from...
This alarm uses several sensors that directly trigger a sensitive relay. A larger relay can be...