Iridium SBD is Mikal's original library which does not (currently) support I2C. The Iridium 9602 and 9603N are fascinating communications modules that give devices like Arduino or Raspberry Pi™ access ...
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, ...
An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...