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 ...

[Johngineer] found himself in need of an I2C sniffer, but didn’t have one available. Necessity is the mother of invention, so he put together this I2C sniffer sketch for Arduino. The arduino … ...

8 thoughts on “ Interfacing An Arduino With A TFT LCD ” mengineer says: February 21, ... and even the use of open pins on the chip(i2c,uart,general I/o analog/digital).