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Passive Infrared (PIR) Motion Sensor Circuit

PIR with delay ON alarm

The post discuses the pinout details of the standard passive infrared (PIR) sensor RE200B and also explains how to make a motion detector circuit using a single transistor and relay, which can detect the IR radiation from human body and activate the attached relay. What is a PIR PIR is the acronym for Passive Infra … Read morePassive Infrared (PIR) Motion Sensor Circuit

Contactless Sensors – Infrared, Temperarture/Humidity, Capacitive, Light

The article discusses a few highly advanced contactles sensors such as infrared sensor, temperature sensor, humidity sensor, light sensor which can be used for crucial and sensitive industrial applications, and manufacturing plants. Texas Instruments (TI) introduced the growth of its industry-leading sensing integrated circuits with the inclusion of 4 innovative products that may empower technical … Read moreContactless Sensors – Infrared, Temperarture/Humidity, Capacitive, Light

433 MHz Remote Infrared Wireless Alarm

A simple infrared wireless alarm circuit can be built using an 433 MHz RF remote control unit a TSOP based IR sensor, let’s learn the procedures in detail. In a few of the other posts I have discussed regarding these RF remote control modules. For more info you may go through the following relevant article: … Read more433 MHz Remote Infrared Wireless Alarm

Infrared Remote Controlled Door Lock Circuit

In this article we learn about a simple infrared remote controlled door lock circuit which can be used for securely locking doors through unique foolproof IR frequencies. The proposed infrared remote controlled door lock circuit can be used for locking your main door, gate, garage door, shop or any entrance which may need a foolproof … Read moreInfrared Remote Controlled Door Lock Circuit

Infrared Remote Control Safe Lock Circuit

A simple, cheap yet highly effective infrared remote control safe lock circuit can be studied in the following post. Using IC LM567 The LM567 IC is one of my favorites simply because it’s too versatile, and becomes applicable in most of the crucial circuit concepts through hassle free configurations. One such crucial yet simple IR … Read moreInfrared Remote Control Safe Lock Circuit

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