![]() ![]() Initial efforts to troubleshoot the problem did not bear fruit, so I was forced to back up and start over from scratch. The IR beacon modulation is decoded by a dedicated Teensy 3.2 and provides left/right and combined steering values to an Arduino Mega main controller over an I2C link.ĭuring my recent work to update the robot after some enhancements, I discovered that the main controller was no longer receiving steering information from the Teensy, even though both seemed to be operating properly. ![]() My Wall-E2 autonomous wall-following robot homes in on a modulated IR beacon to connect to a charging station. This post describes my efforts to troubleshoot an I2C communications problem between an Arduino Mega control board and a Teensy 3.2 IR beam demodulation module.
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