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RF InterTechno Decoder

A small tool to decode the packets received by RFSwitch: https://github.com/wguerlich/RFSwitch RFSwitch is a small tool that detects the Intertechno RF signals from an CC1101/CC1100 tranceiver that is connected directly to a Raspberry PI by SPI. RFSwitch does not decode the RF symbols though.

This small Typescript based Node Server decodes the RF Symbols based on Javascript Code from wguerlich: wguerlich/RFSwitch#1

Install Instructions:

  1. Install node and npm
  • The code was tested with node v8.12.0 and npm 6.4.1
  • This versions are not included in Raspbian apt. Search the web for install instructions for node binaries.
  • The code wil likely not work with node versions before 8.5
  1. Install Typescript:
  • npm install -g typescript
  1. Install Packages:
  • npm install
  1. Compile Typescript:
  • tsc

Run the server by:

  • sudo node server

Sudo is required as RFSwitch otherwise cannot connect to SPI

Edit config/config.json as you like -> Set the URL of your MQTT Server

The received button presses are by default transmitted as topic "intertechno_event" over MQTT. You can change the topic in the config.

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In case you want to run this as a service:

  1. Copy rfintertechno.service to /etc/systemd/system/rfintertechno.service
  • sudo cp rfintertechno.service /etc/systemd/system/rfintertechno.service
  • sudo systemctl daemon-reload
  • sudo systemctl enable rfintertechno.service
  • Edit the path to yours!!!
  1. Edit the sudoers file
  • sudo visudo -f /etc/sudoers.d/smarthome
  • Add this line: root ALL = NOPASSWD:/usr/bin/node /home/pi/RF_InterTechno/server
  • (the path must match the line in service)