for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However, if you use an LCD module with I2C interface, you only need 2 lines to process the display information. Now a days, ...

One day you write that the macro MSBFIRST isn’t defined, and before you can go to press, it’s defined right there in Arduino.h. Great stuff! The I2C (“Wire”) library has also gotten the ...

Necessity is the mother of invention, so he put together this I2C sniffer sketch for Arduino. The arduino will record what is going on for a set time interval, then dump the data via serial as a .csv.