@▷ Deoderizer Fan Timer | Diagram for Schematic

Deoderizer Fan Timer

It is the circuit delays like model easy onely. It use control 3Volt electric small-sized fans because of apply to battery 3V or AA CELL 1.5V x 2. When press SW1 the system delays to begin the work. It make the electric fan turns the one period of time. The circuit uses transistor PNP and NPN work a pair enhance add the efficiency of C1 and R1 use in time supervision. This circuit use current about 30mA only.
A battery operated fan blows air accross a stinky pad
For use in a bathroom or car. I’ve seen similar circuits used in plastic pot-pourri containers.

Link : http://www.members.shaw.ca/novotill/DeoderizerFanTimer/index.htm

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