RF remote library for Arduino
C++ Java
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RM4: An RF Remote library for Arduino

RM4 is a library for interfacing with 4-channel RF receivers, like the RM4SG-M. These receivers are paired with 4-button keyfobs.

The RM4 library provides a class, RM4, that provides a convenient interface for translating the four data pins into a 4-bit button code. An example, show_buttons.pde, is provided to demonstrate how to use RM4.

The module on which RM4 is based, and the configuration in which the example is run, is shown in the picture below.

RF module with Arduino