Jonas Schäfer

Posts in Hacking category

  1. Designing an Infrared Forwarder/Sniffer/Injector Microcontroller Firmware

    After I decided that rolling my own piece of magic hardware was the only way forward, this post details how the firmware for my ATtiny2313a-based infrared sniffer/forwarder/injector was designed and implemented.

  2. Remotely controlling a Denon AVR-1910 from Linux

    I have a, by modern standards, ancient Denon AVR-1910 audio/video receiver. Now that it lives in a nice cabinet without line-of-sight, I want to make it more remote controllable. HDMI-CEC is not an option (see inline), so obviously the only way is to inject Infrared commands.