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DIY Projects

Simple Arduino FM Receiver Circuit

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

This project uses Arduino Uno to make Simple Arduino FM Receiver Circuit and its main part is RDA5807M FM radio module. It get FM signal and changes to audio sound and this sound goes through 7809 IC to make louder and then comes out from 3.5mm audio jack. We can also listen FM stations and […]

Filed Under: Arduino Projects, Audio Circuits, DIY Projects

Simple Arduino FM Transmitter Circuit

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

FM (Frequency Modulation) is a common way to send audio by radio signals, also many people like making FM transmitters with Arduino because DIY electronics is getting popular. In this project for Simple Arduino FM Transmitter Circuit we have used Arduino Uno, KT0803K FM module, 7809 voltage regulator and simple antenna to make FM transmitter. […]

Filed Under: Arduino Projects, DIY Projects, Mini Projects, Transmitter Circuit

Metal Detector Circuit using Arduino

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Metal detector uses electric field to find metal near it. Making Metal Detector Circuit using Arduino is fun for electronics lovers and we can make it using Arduino, CS209A chip, LEDs, buzzer and some other parts. Furthermore, LED and buzzer will show when metal is close, also this project use CS209A chip with Arduino, as […]

Filed Under: Arduino Projects, DIY Projects, Security and Protection, Sensors and Detectors

Reverse Car Parking Sensor Circuit using IC LM358

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Modern cars must have reverse parking sensors, as these give sound and light signals to help driver avoid crash when going back. Sensors use infrared or ultrasonic to find objects behind car. Also, this article for Reverse Car Parking Sensor Circuit using IC LM358 op-amp is to make simple reverse parking sensor circuit. Here, the […]

Filed Under: Automobile Circuits, DIY Projects, Hobby Circuits, Sensors and Detectors

Simple Alcohol Detector Circuit using IC LM393

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

In this post, we show how to make Simple Alcohol Detector Circuit using IC LM393, this circuit uses LEDs, resistors, capacitor, MQ-3 sensor and LM393 IC. Alcohol detector find alcohol gas in air and give warning through light or sound. Today, this article explains the MQ-3 sensor, the MQ-3 is a common alcohol sensor used […]

Filed Under: DIY Projects, Sensors and Detectors

DIY Temperature-Controlled Fan Circuit with Arduino

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Modern devices and homes need good temperature control and this circuit help gadgets live long and make place comfortable. One example is fan with temperature control, fan change speed by room temperature and this keep temperature okay, save power and with less noise. Furthermore, the LM35 sensor measures the temperature and when the temperature becomes […]

Filed Under: Arduino Projects, Automobile Circuits, DIY Projects, Heater and Temperature Controllers, Sensors and Detectors

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