An IR TRANSMITTER device consists of a timer circuit connected to an infrared LED array. The timer causes the infrared LEDs to strobe at specific frequencies, such as 10 Hz for low priority (buses) or 14 Hz for high priority (emergency vehicles). Low Priority transmitters will control the intersection to perform a normal light change, while High Priority transmitters will change an entire intersection immediately.
Infrared (IR) transmitters are found in many everyday electronic devices, such as television remote controls. These devices operate in the electromagnetic spectrum's infrared region. An IR transmitter is designed to transmit signals and commands to electronic equipment through infrared waves.
Infrared transmitters are short-range communication devices and are not designed for long-range communication. An IR transmitter can be employed for many applications. Essentially, it is used to give commands to electronic devices from a distance without using cords, cables or wires. Most modern electronic devices are controlled mainly through an IR transmitter, making them remote-control devices. Very few designated buttons make it onto actual modern electronics such as televisions and video game system.
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