Here we learn how to build a simple LDR based motion detector sensor circuit using ordinary parts such as LDRs and opamps, reasonably accurately. What are Motion Detectors Motion detector […]
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Simple Car Shock Alarm Circuit
A simple car shock alarm circuit presented in this article can eb effectively used to alarm the owner each time the car comes across some kind of vibrational intrusion ether […]
Simple Car Burglar Alarm Circuit
Learn how to build a simple car burglar alarm circuit right in your home. The circuit is built around a few trivial components and yet proves to be totally fool […]
Insect Light Trap Circuit for Protecting Crops
This solar LED light trap circuit for insects can be used to attract insects at night and keep them engaged with the light source. This distraction created by the LED […]
How to Connect and Use RCWL-0516 Microwave Motion Sensor
In this article we will comprehensively learn about the RCWL-0516 a microwave proximity motion sensor which uses Doppler radar. Here, we will discuss the following points: What is RCWL-0516 It […]
5 Useful Power Failure Indicator Circuits Explained
In this post we will learn 5 useful power supply failure indicator circuits which can be used to get an instant indication regarding an input power failure situation. This post […]