In some way, the Speeduino is not sending the signal to D5. Where to look next, where are the pins assigned? Some .ini file somewhere? I have no clue, I used SpeedyLoader to get the firmware on.
+1. This rarely happens (usually old sketch junk left behind), but if you suspect it:
That sketch is in your Arduino IDE, and ensures all of your EEPROM is wiped clean before loading new or upgraded code.… If test results are poor, you have a Mega or code issue. Load and run EEPROM_Clear, then reload code. Try calibration and testing again. …
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