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-   -   Cool trick : How to check if your remote control is working! (https://www.team-bhp.com/forum/gadgets-computers-software/112787-cool-trick-how-check-if-your-remote-control-working.html)

My FInLaw shared with me ingenious idea to check if remote's batteries are ok, if the remote's IR sensor is working OK.

Switch on your cell phone's camera - focus it on the cameras lens and press any button. The camera will capture a IR Ray that the normal human eye cannot see... pretty easy way to avoid tapping the remote on ur other fist to make it work :)

Hope this simple idea helps sometime in your lives...

MOV0002A.3gp - YouTube

Been using this technique for a long time. Never occurred to share it though.
Discovered it when I was filming the new Plasma TV in my house and noticed an eerie glow when my father was operating the Remote Control.

Thanks a lot for sharing the tip with us! :thumbs up

I humbly request you to rename your Youtube thread title so that your video can be found easily by searching.

Just my two cents. :cool:

For years before cell phones, we were able to check remote controls by tuning FM radios till you heard a buzzing/chirping everytime you pressed the remote.

Try it. Take an FM radio and keeping any remote pressed tune the thing till you hear a chirping. You will find that the sound comes anytime you press any button.

I used this to explain various types of lights in spectrum to my son. it's on my youtube channel as well.

So what if he is just 5 yr old, he started it :D

An easier way instead of photograph is your webcam.

This is quite an old trick. However, I always wonder, why not point your remote at the device it was intended for. If the target device is not available, then does it matter whether it works or not :) ?

this way you would know whether to fix remote or the device :)

I did not know this.
Though all my remotes have illuminating leds now, but this seems like a much more fun way of checking!
:)

Pretty cool trick...

can see it in the viewfinder on my phones camera :) . Thanks