Author: tw16g08

Raspberry Pi2’s and HATS

With the 2015 science and engineering family day fast approaching and the release of the new Raspberry Pi 2 Erica is to get a performance boost. With the additional processing power and memory on the new Pis, Erica will be

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New LED system installed

As mentioned in the earlier led post Erica has been given a LED upgrade. The boards have been soldered up and installed. The boards where built in two versions the side controllers where equipped with connectors for the single channel leds whilst the ones in the

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Erica Plinth Upgrade

As a part of taking Erica to the big bang her plinth needed improving. The original version had a single captive mains cable to provide Erica with power. Although this was fine when Erica was in the Marlands we have

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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