Next steps shows how the master (Arduino) reads from the slave I2C device. Wire.requestFrom(address, 1) command expects to receive 1 byte of data from the TC74 sensor. Wire.available() waits for data ...

If you’ve got an idea for how to use an I2C programmable NFC tag, drop a note in the comments. Elecfreaks is doing an Indiegogo campaign for the DNFC, $13 for one. I picked one up, but it’s ...

With a bit of hacking at the Arduino MIDI library, [Kevin] was able to get the microcontroller outputting MIDI data over the I2C interface, and developed a useful generic I2C MIDI transport for ...