I've done this in the past with no problems, following the instructions here: https://playground.arduino.cc/Main/Printf But, this time, with v1.8.2, its not working - printf is still undefined when I do a build. What's the trick? Is there a missing step, or something that has changed in v1.8.2? W…

Adding printf to Print.h

RayLivingston November 3, 2017, 10:02pm 3

Oops! My bad! I have two copies of the IDE installed, and was editing the wrong one!

Regards,
Ray L.

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