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 Piâ„¢ access ...
The PCA9698 is an I2C, 40 pins parallel IO expander. These 40 pins can be configured as INPUT or OUTPUT and are addressable via 5 banks (groups) of 8 IO pins. The library provides read/write access to ...