In this post we will learn how to build a simple FM remote control circuit for toggling small AC loads such as lamps, fans etc using an ordinary FM transmitter […]
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Day/Night Triggered Automatic Door Lock Circuit
The post explains a simple day, night triggered automatic door lock circuit, which can be used for autonomously unlocking a kennel door during day break, and locking it when night […]
Automatic Night Activated Wireless Light Circuit for Paintings
The article describes a basic wireless LED light circuit that may be used to autonomously turn on LED lights to illuminate artworks at nighttime.
Sound Activated LED Lamp Circuit
A highly sensitive sound activated LED lamp circuit can be built using just a few transistors and resistors. The circuit is actually a high gain MIC amplifier circuit which amplifies […]
Vehicle Body Metal Detector Circuit
The main objective we are trying to achieve with this vehicle body metal detector is that only an automobile can trigger the opening of the gate. The solution involving the […]
Temperature Regulator Circuits using IC LM335
There are many cases where it is desirable to actively regulate the operating temperature of an electronic assembly. Sometimes, it is imperative to dissipate the heat generated by the components […]