This Circuit Involves in Handling of High Voltage AC Supply Handle With Extreme Care. Simple Arduino…
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Simple Water Level Indicator Circuit with Buzzer
Making Electronics projects is a fun, learning and useful activity. Here is the best example, Simple…
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LED Intensity Control Circuit
LEDs and LED lighting devices are growing exponentially over the years and it revolutionized the lighting…
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Simple Fading LED Circuit using 555 Timer
LEDs have revolutionized the lighting we use in our day to day life and electronics industry,…
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Multipurpose FM transmitter circuit
Simple multipurpose FM transmitter circuit designed by using two NPN transistors and few easily available components.…
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LM35 Temperature Indicator LED circuit
Temperature sensing or monitoring and control is the important process in industries and some temperature specific…
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Heat Sensor Circuit
Simple heat sensor circuit designed to give alert sound when the temperature reaches the desired threshold,…
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Volume Level Indicator Using Transistor
Volume Level Indicator using transistor circuit can be used as a simple VU meter, It can…
Continue Reading![](https://theorycircuit.com/wp-content/uploads/2019/02/pir-sensor-motion-detector-circuit.png)
PIR Motion Detector Circuit
Passive Infra Red motion sensor mostly used in security based designs, and due to its robust…
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