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Thank You very much! R17 is used as indicator for over current. It is connected to emitters of lower transistors. The bridge and the motor are wired in standard H-bridge.
The switching sequence is:
First set high one of two direction pins.
Start PWM
(Working period)
Stop PWM
Set low direction...
Hello!
I have a problem with driving DC motor in full bridge. I use PIC16F873 to control the module. It produces PWM of 1000Hz with duty cycle of 10% up to 60%. My motor works on 160V DC and I put it into a full bridge but when I wanted to start it nothing happened. Upper two transistors...
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