Using this circuit, audio musical notes can be generated and heard up to a distance of 10 metres. The circuit can be divided into two parts: IR music transmitter and receiver. The IR music transmitter ...

This burglar alarm system circuit is using a infrared proximity detector that triggers an alarm when the rays falling on its sensor are interrupted. It is different from others burglar alarm systems ...

Omega’s new infrared sensor with wireless transmitter features remote IR sensor and radio wireless transmitter in a NEMA enclosure. Each unit transmits process temperature, ambient temperature, signal ...