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This is my first robot ever built using RF control interfaced through a microcontroller. Its named "Rickshaw", because it kind of looks like one. The remote is a standard key fob remote, broadcasting at a low 315Mhz. So when you press a remote button. A low level RF frequency is sent to a RX3400 Low Power ASK Receiver IC board. Then to a HT12D decoder board that's interfaced to the micro via reading digital inputs spread over 4 pins. This in turn directs (through code) which motor, or direction ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/rickshaw