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Chacon DIO 1.0 transmitter

This project provides a simple program to send commands to Chacon DIO 1.0 power outlet sockets. It has only been tested on a Raspberry Pi and ODROID-C4.

Compilation

To compile this program, make sure you have built and installed the WiringPi library first.

Then execute make in the code directory and you should obtain the send program.

The send.sh wrapper script makes use of flock to prevent concurrent calls using a file lock.

Usage

Connect a 433MHz transmitter to the GPIO pin of your choice on a Raspberry Pi (see the pin numbering documentation).

Then execute:

./send.sh <gpio pin> <sender code> <button number> <state> [repeat count]

  • <gpio pin> is the WiringPi pin number
  • <sender code> is an arbitrary 26-bit number
  • <button number> is a number between 0 and 15, or -1 for all (group function)
  • <state> is 0 (OFF) or 1 (ON)
  • [repeat count] is an optional number of times to repeat the message (default: 5)

For example, use:

  • ./send.sh 0 12345678 1 1 for button 1 ON
  • ./send.sh 0 12345678 1 0 for button 1 OFF
  • ./send.sh 0 12345678 -1 1 for all buttons ON
  • ./send.sh 0 12345678 -1 0 for all buttons OFF

Protocol

The Chacon DIO 1.0 protocol was reverse engineered by Idleman, this project was directly inspired by it.

References: