We want to make make sure that all segments for a given digit are accessible with a single write so that we can quickly update that digit and also not mess up any other digits. This is especially true ...

This plate makes it easy to use a 16x2 Character LCD. Most character LCDs use lots of GPIO pins, but since this uses I2C you only need two pins. The keypad gives you buttons to input to the display ...

I myself own an Arduino Uno R3 and found that it can simplify my projects development and microcontroller programming, but sometimes I need to know the Arduino pinout. That is why I have written this ...