IR LED

Heart Rate and Body Temperature Monitoring System using ATmega328 Microcontroller A Simple Dynamic System for Monitoring of Heart Rate, Oxygen Level and Body Temperature

We all saw how everyone started to panic during the onset of the pandemic, and it was because of the lack of…

Optocoupler Optocoupler: Its Types and Various Application in DC/AC Circuits

Opto-coupler is an electronic component that transfers electrical signals between two isolated circuits. Optocoupler also…

Automatic AC Temperature Controller using Arduino, DHT11 and IR Blaster Automatic AC Temperature Controller using Arduino, DHT11 and IR Blaster

An AC (Air Conditioner) which was once considered to be a luxury item and was only to be found in big hotels, movie halls,…

Remote Controlled Light Switch Remote Controlled Light Switch

IR LED emits infrared light, and used in TV remotes. This Infrared is received by the receiver TSOP17XX (TSOP 1738used in TV).…

IR Transmitter and Receiver Circuit How to build a Simple IR Transmitter and Receiver Circuit using 555 Timer?

IR Transmitter and IR Receiver are commonly used to control electronic devices wirelessly, mainly through a remote. TV remotes…