Test your remote's batteries with a digital camera

You can use a run-of-the-mill digital camera to check if your remote is on the fritz. Your remote emits infrared light that your eyes cannot detect, but a digital camera can see this light quite easily. As you can see in the picture above, I checked my television remote's batteries with a simple Sony Cyber-shot camera. Obviously, if the batteries were dead, or if the remote was busted, you wouldn'

[pho]

デジカメでリモコンのバッテリをチェック

[mlhshino]

It's a funny but useful tip.