The current animatronic ear prototype has a central control board that processes audio from four microphones. These microphones send audio through the I²S protocol, which is a fairly simple digital serial protocol for audio.
I've finished testing version 0.1 of the ear controller prototype board and made significant progress on version 0.2. Here is a summary of the results.
The three power supplies worked well. The TI LMZ14203H, using a design generated by the WEBENCH Power Designer, produced a solid 6 volt supply from the 12 volt input. It handled sudden servo movements without major…
