H-Bridge Motor Driver using MOSFETs and Transistors

In this post, we shall be covering on how to construct a H-Bridge Motor Driver circuit using simple MOSFET`s and Transistors. The main feature of this H-Bridge is that the motor can be driven in both directions. AnH-bridgeis a circuitthat allows a voltage to be applied across any load, like a motor in our experiment, in dual directions. The `H` h

ere just represents the formation of the circuit and has no reference to anyone. The H-bridge arrangement is generally used to reverse the polarity of the motor and to let the motor `free run` to a stop, as the motor is effectively disconnected from the circuit. The following table summarizes operation, with S1-S4 corresponding to the diagram above.

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