TX,


This is a 3 channel RF remote control project.The transmitter powered by 3V battery(coin size) range about 10 m. This remote control I use PIC12F509 from Microchip which is a 8-pin single-chip microcontroller designed for low pin count applications with 1 K words flash memory and 41Byte SRAM and some special features such Power-saving Sleep mode,Wake-up from Sleep on pin change.

RX,





Source; http://electronics-diy.com/electronic_schematic.php?id=718