can a cheap (noisy?) power supply confuse electronics??

dazzlepecs said:

I am trying to document why i gave up using a certain motor driver for another which worked fine


Is it possible that a cheap DC power supply can cause a lot of noise and unwanted/confused operation from logic control its supplying?

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Mikebits said:

Yes... Especially if logic is not designed with good bypass and filtering. Why would you use a crappy power source?

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