To link a standard 16×2 LCD directly with the microcontroller, 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 ...

Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino. Trump overpowers Musk's ...

The basic 16×2 LCD is an extremely popular component that ... make it so easy to work with; if you’ve got an I2C variant of the display, it only takes four wires to drive it.

As promised in the first part of this article, now it is time to see in detail how we can use the Alphanumeric LCD Display in our Arduino ... when compiled for Arduino UNO or Arduino Duemilanove, ...

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.