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Wednesday, January 19, 2011
Hacking the I2C interface of Spektrum DX and AR ?
RC-CAM Forum: "The Spektrum transmitter has a small daughter board in it that contains the Unigen RF module, a voltage regulator, and a host microntroller. The microcontroller is used to measure the PPM signal from the transmitter's encoder and convert it to a three-wire (I2C) communication signal so that it can talk to the Unigen module. ...."