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You are here: Home / Archives for Infrared (IR)

Remote Control Infrared Tester Circuit

Last Updated on January 14, 2023 by Swagatam 16 Comments

We all use remote control handsets for controlling various household devices such as TV, AC, Music systems, curtains etc, and sometimes we seem to have problems with these devices, or […]

Filed Under: 741 IC Circuits, Home Electrical Circuits, Infrared (IR), Mini Projects, Remote Control

PIR Sensor Datasheet, Pinout Specifications, Working

Last Updated on October 2, 2021 by Swagatam 47 Comments

PIR Sensor internal composition, layout and configuration

In this post we are going to explore the datasheet of PIR or Pyroelectric Infrared Radial Sensor HC-SR501. We will understand for what purpose PIR sensor is used? Its basic […]



Filed Under: Datasheets, Infrared (IR), PIR (Passive Infrared), Security and Alarm

PIR Solar Home Lighting Circuit

Last Updated on July 3, 2019 by Swagatam 23 Comments

simple PIR based solar lamp circuit

The post explains a simple circuit using Passive Infrared or PIR for making an automatic solar LED lamp which can be used for illuminating your home automatically at sunset, and […]

Filed Under: Infrared (IR), Mini Projects, PIR (Passive Infrared), Solar Controllers

Make this IR Remote Control Range Extender Circuit

Last Updated on July 3, 2019 by Swagatam 48 Comments

433MHz transmitter circuit with infrared TSOP1730 IC

In this post we will learn how to increase or extend the range of an ordinary infra red or IR remote control through a 433MHz RF remote control system. IR […]

Filed Under: Infrared (IR), Remote Control

4 Simple Proximity Sensor Circuits – Using IC LM358, IC LM567, IC 555

Last Updated on July 2, 2023 by Swagatam 85 Comments

An IR proximity sensor is a device which detects the presence of an object or a human when it is within a predetermined range from the sensor, through reflected infrared […]

Filed Under: Infrared (IR), Mini Projects, Sensors and Detectors, Simple Circuits

Using TSOP17XX Sensors with Customized Frequencies

Last Updated on August 3, 2019 by Swagatam 11 Comments

The TSOP17XX series ICs are special infrared sensor devices built for responding to specific range of infrared frequencies and convert it into an electrical pulsed output. It thus features a […]

Filed Under: 4017 IC Circuits, Infrared (IR), Sensors and Detectors



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