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Did everything as mentioned above. I even uploaded the blink program and it worked as charm. Thanks to you. However, I tried to upload another program with the same set up and it shows avrdude: stk500_getsync(): not in sync: resp=0x00Do help me? Thanks in advance.
Helllo, I have a four channel realy. The output of all 4 channels should be connected to the same load. However, I will output only one channel at a time. Thanks in advance.