This week's How-To is a fun one, we take an iPod and turn it in to a universal infrared remote control which can be used to control all your home electronic equipment, or just about anything that ...

Method 4. Test the Remote’s Infrared Signal If your remote uses an infrared (IR) signal, checking if it emits a signal can help diagnose the issue. Open the Camera app on your smartphone.

All infrared remote controls transmit pulse bursts. The photo transistor detects the modulated IR signal from the remote control handset under test and its output is processed by next BC557 and fed to ...

SFH505A made by Siemens combine infrared diode receiver, amplifier, demodulator and a filter band pass for minimizing interferences. This circuit works together with this infrared transmitter. The ...