Make this SleepWalk Alert – Protect yourself from Sleepwalking Dangers

Do you have a habit of walking in night? Well, that habit isn’t that good, so one must try to get rid of it gradually. This article discusses a simple sleep walk alert circuit that might help you in getting out of this habit. By: SS Kopparthy Circuit Objective This circuit is a simple idea … Read moreMake this SleepWalk Alert – Protect yourself from Sleepwalking Dangers

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

How to Make a Simple Laser Communicator Circuit

The article discusses how to make a simple laser communicator circuit for sending and receiving data through laser beam.    Laser has been a boon since its invention. Laser is used in wide variety of applications, from Blu-ray driver to high powered cutting torch. There are also many classifications of laser technologies. Here we use … Read moreHow to Make a Simple Laser Communicator Circuit

Hospital Room Call Bell Circuit for Alerting Nurse with a Button Press

The post discusses a simple hospital room call bell circuit which can be installed in hospital patient rooms for allowing the patients to get a quick access to a medical representative or a nurse whenever in need, by simply pressing a call button at the bedside. The idea was requested by Mr. Willy. Circuit Objectives … Read moreHospital Room Call Bell Circuit for Alerting Nurse with a Button Press

Wireless Home Security Circuit – Solar Powered

The article discusses a remote controlled wireless home security circuit using which enables the detection of a possible intrusion way in advance depending on how and where the remote sensors are positioned over the selected strategic locations and the desired distance from the house. The idea was requested by Mr. Dave Monette. The request is … Read moreWireless Home Security Circuit – Solar Powered

Detecting Static Human with PIR

The post explains a method which can be probably used for enhancing a passive infrared sensor ability to detect even a static or stationery human presence. This feature is normally not possible with the conventional PIR sensors. How PIR Detect Human Presence I have already discussed many PIR based motion detector applications in this website, … Read moreDetecting Static Human with PIR

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