The post explains a simple infrared intruder alarm circuit using an infrared transmitter and an infrared receiver module. The transmitter and the receiver photo diodes used in the two modules […]
Search Results for: infrared
Infrared Controlled Car Door Lock
In this post we will learn how to build a simple yet foolproof infrared based remote control, which can be used for locking and unlocking any vehicle door through a […]
Visible Light Communication Circuit [using InfraRed]
You can use this simple visible light communication circuit to send audio and digital information through infrared light, beyond a mile away, with extreme precision. By Sunil Rao The main […]
How Contactless Infrared Thermometers Work – How to Make One
In this post we will learn the basic working concept of thermal scanners or contactless IR thermometers, and also learn how to make a practical DIY prototype of the unit […]
Contactless Sensors – Infrared, Temperature/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 […]
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 […]