When the new Nerf LaserOps range came out in September 2018, I had a pair of blasters on the first day — because they seemed to be using targeted infra-red signals and that looked very hackable.
I had an Adafruit Circuit Playground Express from some teaching classes that we’d been doing recently, and the onboard infrared (IR) receiver and sender, plus the onboard RGB LEDs, looked like a nice way of duplicating the foam dart sensors but this time, for the new IR blasters.
Patrick states: a quick google found Chris Young‘s IR library for Arduino, and it is especially suitable because it has example Arduino sketches to show the raw timing of incoming signals — useful in this case because (spoiler alert) the Nerf LaserOps signal doesn’t use TV manufacturer codes for the blasters.
Using IRLib2 and decoding signals received on an Adafruit Circuit Playground Express, the encoding of the signals for three teams is discovered and can be detected. See the GIF above – great work!
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.