Detecting whether a remote control is transmitting infrared signal

What do you do if your remote control stops working? Process of elimination. First, batteries of course.  What next? You can eliminate the potential that it is the infrared bulb on the remote by checking that it is transmitting. Although we cannot detect infrared with our bare eyeballs, the glow is visible through the lens of a digital camera or your smart phone. Watch Michael – a fixer volunteer with Repair Fair – demonstrate this infrared bulb check.

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