PJRC MP3 Player
Packard Bell Remote Control Receiver

Overview

• Uses WiresnCode Packard Bell remote receiver project (from here)

• Inserts between display and player board in 5V serial TX line

• Updated 10 April 2003 for new player input format (adds \n to start and end of all commands)

Software features

• Uses WiresnCode Packard Bell remote receiver project (from here)

• Download source here

• Download Intel hex binary here

• Written in assembly 8051

• Retransmits all received characters to pass button press events from display to CPU

• Compiles on linux (untested on win32)

• Uses the sdcc assembler asx8051

• Licensed under the GPL

Hardware Details

• Uses INT0 for edge detector

• Uses standard Sharp infrared detector module eg Radio Shack 276-137  or from Halted Electronics

• Schematic shown below (in eagle cad format)

• Mods to PJRC LCD keyboard board shown below

• Control button assignments shown below

• Plenty of spare IO and code space for additional buttons LEDs etc

• Buy your remote control from Sun W

Schematic

Keyboard Mods

Button Assignments