Every now and then a remote control acts up. Maybe you are trying to change the channel on your television and it’s just not working. A quick way to determine if the remote control is still working is ...
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 ...
This improved infrared detector is specifically intended for use with commercial IR remote control handsets. This little circuit is useful for quick go/no-go testing of just about any remote control ...