Thanks for the suggestion. What is the best way to get rid of this problem. I should be able to connect the PIC ground to earth ground shouldn't I and still have the circuit work? It actually isn't necessary for me to connect my PIC ground to earth ground but devices connecting to my board may...
Hi I am having a strange circuit problem and I'm wondering if anyone has any ideas how to fix it. I am designing an AC variable frequency drive using a PIC. My PIC is optically isolated from the driver section. The board is mounted in a metal chassis. If I connect the earth ground to the chassis...
