The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...

If you’re still paying full price for audiobooks while you’re in uniform, you’re probably leaving money on the table. Between public libraries, free apps, and the DoD’s own digital library, you can ...

The library documentation is mainly placed in the following pdf document refman.pdf or located under the following github pages github.io. Additionally in combination with the technical datasheet of ...