H-Bridge
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Hbridge.png
DPDT Relay acting as an h-bridge

An H-bridge is a circuit that can control the direction of a DC power source. This is useful for controlling the direction of a motor.

An H-Bridge can be constructed using individual components using 2 NPN and 2 PNP transistors, or can be purchased as a single component. A makeshift h-bridge can also be created using a DPDT Relay.


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