Infrared is the most commonly used wireless data transfer medium for limited range, and we already covered about simple IR Transmitter and Receiver circuit. Today in this Article, we will learn how to ...

It’s an IR receiver transmitter constructed out of a transistor, resistor, and an LED. The attentive reader should be asking, “wait, can’t you just buy an IR receiver transmitter?” ...

Infrared headphones can be used for listening to music or television cordlessly. The headphones utilize a transmitter that connects with audio cables to the audio source, such as a home entertainment ...

The downside is that the combination of transmitter and receiver is highly directional, but the small beam angle also has its advantages. It means that fewer LEDs are necessary, and there is less risk ...

Toshiba Electronics is offering an infrared transmitter and receiver chipset that is designed to simplify the implementation of automotive and domestic wireless audio applications. The Toshiba ...

In quiet sur- roundings, however, fair reception is possible within a range of a few 5 . . . 10 V 2 infrared receiver metres, which can be extended by using lenses and other optical aids. With a few ...

Transparent HUD for an Airsoft gun that shows how many BBs are left in your magazine and keeps track of your number of kills and deaths during a match. A XIAO ESP32-C3 is used together with a SSD1309 ...

LiFi (Light-fidelity) is known as a networked visible light communication (VLC) system, which is able to deliver high speed broadband services to a large number of mobile users with multiple access ...

This series of projects explore concepts of radio communications. We use LEDs to generate (very high frequency) radio waves and photo-resistors to take the place of radio antennas. These ideas are ...

Analogue long range infrared beam break detector using an 38 kHz IR receiver module easily reaches distances of 7 meters and only uses NE555 chips.

Infrared headphones can be used for listening to music or television cordlessly. The headphones utilize a transmitter that connects with audio cables to the audio source, such as a home entertainment ...