Like we all know, the H-bridge is used to control the direction of a DC motor (forward and reverse), it consists of four (4) transistors; two (2) NPN and PNP each. Four (4) usually 1k Ohms resistors on the base of each transistors, four (4) diodes as a flyback/protection diodes each on the emitter and collector pins/terminals of each transistors.
Here is my design, I am using the BC558 as the PNP and the BC548 as the NPN transistors.
TThe forward motion.
The reverse motion.
I hope this is self-explanatory. :D
Here is my design, I am using the BC558 as the PNP and the BC548 as the NPN transistors.
TThe forward motion.
The reverse motion.
I hope this is self-explanatory. :D
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