psmmacker Posted February 11, 2017 Share Posted February 11, 2017 Thus is a new way off powering panels from sheild earth on the pin of the stm32 discovery do ee need to use all earths from the hub75 cable Or i added on shield with a pin to add a earth to it from power pack it also prove that the - earth on the iec cable is giving a stable gnd I was still powering the stm32 mobo by the normal way for vpinball Link to comment Share on other sites More sharing options...
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