![]() If I disable the Mega 2 with the yellow ! it comes back with a red X instead of the yellow !. Round and round Mega 1 always finds com 4. Reboot laptop go to Device Manger in Ports (COM & LPT) I am guessing that as the previously loaded sketch boots up and runs that it is not a BootLoader problem ? ![]() Verify same sketch as before, load and it runs.ĭoes this refence to “stk500v2” mean I have some how lost the Bootloader. Load sketch very long time, then error message.Īvrdude: stk500v2_getsync(): can’t communicate with device: resp=0x01Ĭhange over to other Mega 2560 Mega no. Verify different Blink LED sketch with much longer times, OK. Plug in the USB cable and the previously loaded pin 13 Blink LED starts and runs blinking the on board green led. ![]() 2 has no additions it is just the main board :. I am working with 2 Mega 2560s and one has stopped loading sketches.
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