The Arduino Wire library for slave mode is very easy.I'm sure I can find a good library at http://www.avrfreaks.net for non-Arduino avr chips.My question was: Is the I2C bus less critical for small timing differences ?Since some use the internal clock which is not very accurate.I could also use the UART at 1200 baud, that is slow enough to make it work on every device.My 433 MHz receiver uses those very cheap receivers from Ebay.I have a remote control that uses the rc-switch protocol: http://code.google.com/p/rc-switchThat code is even able to determine the pulse length and the codes for any of those.
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