Month: February 2014

Erica’s new LED system

Erica’s original system was based around the TLC5940 LED driver chip which was controlled directly by the mech pi with an ATtiny45 on the pi daughter board to provide the clock signals. For those that came to visit Erica in person you will have noted that the LEDs were

Erica is being upgraded for the Big Bang Fair

One of Erica’s first excursions after her return to ECS, will be to the Big Bang Fair in Birmingham from the 13th to 16th of March.  Before then, there are some significant upgrades planned to make Erica a more robust