How To Test Your Infra-Red Remote Control With A Digital Camera
I discovered the other day that you can test a handheld infra-red remote control unit by pointing it at a digital camera in photo mode, and pressing the buttons on the remote control. If the RC is working, you should see a blue flash in the camera’s viewfinder.
In case you’re wondering what it should look like, here’s a photograph:
If someone would care to tell me why this works, I’m all ears.