How to control a high voltage device with low voltage circuit?
I build a hover craft out of computer fans and an old RC car circuit. How I give fans a high voltage in a circuit that has low voltage. The circuit has a maximum of 7.5 volts and the fans need about 24 volts. How can I achieve with founding the circuit? Thank you in advance
I think you could use a relay switch. wikipedia Frow (http://en.wikipedia.org/wiki/Relay) "A relay is an electrical switch that opens and closes under the control of another electrical circuit. In the original form, the switch is actuated by an electromagnet to open or close one or more sets of contacts. It was invented by Joseph Henry in 1835. Because a relay is able to control an output circuit of higher power than the input circuit, it can be considered as in a broad sense, a form of a power amplifier. "
DUCTED FAN RC CAR @ MISSOURI HOBBY
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