For anything related to the 'official' Speeduino boards (Eg v0.3, v0.4 etc)
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By turboedge
#22248
Rocket wrote:What differences between 4.3 and 4.3b boards?
Rocket,
There was a pull-down resistor (R14) that was not receiving proper grounding. The 2560 will pull it down internally though, so the resistor is sorta redundant. 0.4.3b corrects the issue (though i have not heard of any side effects of the original setup).

- turboedge
By Rocket
#22251
turboedge wrote: Fri Nov 10, 2017 5:32 pm
Rocket,
There was a pull-down resistor (R14) that was not receiving proper grounding. The 2560 will pull it down internally though, so the resistor is sorta redundant. 0.4.3b corrects the issue (though i have not heard of any side effects of the original setup).

- turboedge
Thank You
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