The IR2IO from rootfrogs is an incredibly simple way to add infrared controlled switching to a project without having to reverse engineer a particular remote controller. The process is simplified by an automated pairing system that means you don’t need to know the frequency or the protocol of your remote control to get up and running.
The IR2IO has four switch channels and each channel on the device has a corresponding momentary press button. To pair a particular switch with a particular button on any IR remote, you hold down the button on the IR2IO and then press the button on the remote. On release of the IR2IO button the corresponding switch channel should then be triggered every time that button is pressed on the remote control.
There are lots of use cases for this little device, from home automation to simple robot control and more. We love that it might mean some older devices remote controls, destined for landfill, might be repurposed to extend their useful life.
source https://blog.tindie.com/2020/12/super-simple-ir-switching-with-ir2io/
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