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Hi Gents, I've modified the SpaceLen driver to receive commands from '433mhz remotes' to drive ledStrips. These controllers + remote cost a whoping 5$, and drive upto 2A a led (so 6A in total, so rather cheap for the capabilities. Using this library, you mimic the remote. Unfortunately sending custom commands, other than replayed remote commands seems impossible, without flashing the original uC in the receiver. edit: both sending and receiving works. The code can be found on: https://github.com/vinietje/LedProtocol the controllers look like: https://github.com/vinietje/LedProtocol/blob/master/docs/Controller.jpg the timing of the signals: https://github.com/vinietje/LedProtocol/blob/master/docs/Timing%20signal.png I which I could be more specific regarding type-numbers and, such, but the Chinese are very limited regarding these unfortunately, eq, the chips inside the remotes don't bear any markings :-( and prints like '433mhz' and 'paired 1-on-1' aren't gonna cut it... please keep in mind that due to the lack of a 'change event' i have used a workaround, although in the latest commits on Energia this issue is resolved. So when using them, you will need to alter the interupt routine.