Hackaday

PixMob LED Wristband Teardown (Plus IR Emitters And How To Spot Them)

PixMob units are wearable LED devices intended for crowds of attendees at events like concerts. These devices allow synchronized LED effects throughout the crowd. [yeokm1] did a teardown of one ...
Ars Technica

Problem with Xantech IR Xantech 789-44 receiver and emitters

I have recently purchased a new 65in 4K LED TV and connected it to my existing home theater system. I have all components in a closet and am using a Xantec 789-44 IR receiver. There are 4 ports and I ...
EDN

IR Decoder & Encoder — Part 2 (DIY 38-kHz IRTR Module)

As you might have noticed, the 38-KHz pulse generator is built around the evergreen timer chip NE555P (IC1). Here, the RC components (R5-C3-P1) set the astable frequency to drive the infrared light ...
EDN

Control LEDs ON/OFF with IR Remote and Arduino

I made this Arduino project that allows to turn ON and OFF LEDs using a cheap IR remote control as a preparation for the next big step: disassemble my girlfriend’s chinese LED lamp and replace its ...