FLIRC USB RASPBERRY PI SOFTWARE
Use your previously paired remote with no additional software on any machine with Flirc.įlirc learns from any remote control, not caring about different vendor protocols. Just walk through our super simple cross platform pairing application, and you're done. You can see the results in the gifs I posted. By writing a python script that waits for a specific keypress, I was able to detect a command sent by the Harry Potter universal wand remote each time it was processed by the Flirc USB receiver. Luckily, The Nobel Company already makes a Harry Potter universal wand remote, and the Flirc USB receiver gives you the ability to associate any IR remote command with a keypress. At the same time, I knew that I didn't want to build something like that myself. I knew that I needed something encoded that could not be falsely associated with random light sources in the classroom. There's lots of various moving pieces that can reflect light or that might be light sources themselves, and you can't easily dim a classroom enough to get rid of potential sources that the computer vision algorithms will try to track. Classrooms are unpredictable places, to say the least. I started by recreating the Raspberry Potter project, but, as I've already noted, I had trouble getting rid of false detects.
My ultimate goal was to build a magic, wand-controlled treasure box that my sister could use as a prop in her first-grade classroom (both my sister and my mom are teachers, and they're the real magic).
But the computer vision techniques all allow for some level of false detects, and I needed something more predictable. These projects do work, and the flexibility that computer vision based approaches enables really is magical. The majority of programmable wand-triggered projects work by reflecting an IR light source off the tip of a wand, detecting the reflected light using the Raspberry Pi NoIR camera, and tracking that light using different computer vision algorithms. The most famous of these is the Rasberry Potter project produced by Sean O'Brien (). I arrived at this solution after attempting to modify various wand-controlled devices that other people posted instructions for on Instructables, Hackster, and elsewhere. It requires a Raspberry Pi as the controller and a Flirc USB IR receiver in combination with the universal remote wand to control functions in the script.
FLIRC USB RASPBERRY PI HOW TO
This instructable outlines how to make a simple Python script that is controlled by the Harry Potter universal remote control wand made by The Noble Collection.
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