In EmbMessenger.hpp for the device, there are several instances of write(0). Because a Teensy 3.5 is more picky than a Mega, platformio errors during upload because the function call is ambiguous (there are multiple versions that 0 could correspond to). The fix is simple: just replace write(0) with write((uint8_t)0). I'll make the changes and open a PR.
In
EmbMessenger.hppfor the device, there are several instances ofwrite(0). Because a Teensy 3.5 is more picky than a Mega, platformio errors during upload because the function call is ambiguous (there are multiple versions that 0 could correspond to). The fix is simple: just replacewrite(0)withwrite((uint8_t)0). I'll make the changes and open a PR.