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1 Post authored by: mistertee
A search on the internet will quickly bring up a load of AM and FM radio modules which can be used for remote control and data acquisition. The 433 MHz AM modules retail at around £1.50 for a Tx and Rx pair while the FM modules deliver a better range and noise immunity and seem to cost around £7 for the pair. This blog post is about getting the best range from these devices.   The majority of these devices have three pins. Power, Gnd and Data in (for Tx) or Data out (for Rx). A c ...

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