Hi! Here's a little problem that has had me stumped for the last couple of days, and I think it's time I throw in the towel and ask for some help :slight_smile: I have have a Peggy2 pegboard ("Peggy"), which is essentially an Arduino Duemilanove with a 328p and a LOT of LEDs. ( Peggy 2 ). This talks …

Checking for data on the I2C bus (without Wire.h)

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