Prototype IC IO Expander Board

This board was built in support of a project using the Wavecom "Intelligent" GSM Modem, where the IC interface facilities were to be used to add extra input and output functions. It allowed firmware development to proceed whilst awaiting the initial manufactured units.


Prototype IO Expander Board using PCF8574

    External inputs are simulated with switches, and outputs are simulated with LEDs.

Antronics Ltd is an iButton Authorised Solutions Developer (ASD)