In this post I have explained how LC oscillator circuits functions and we will be constructing one of the popular LC based oscillator – Colpitts oscillator. What are Oscillators Electronic […]
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27 MHz Transmitter Circuit – 10 Km Range
The 10 km range, 27 MHz transmitter circuit explained here uses citizen’s band which consists of 2 main types of users: radio control (R/C) modellists and users of low-power FM […]
Arduino Barometric Pressure Sensor Circuit – Working and Interfacing Details
In this article we are going to explore, what is a Barometer and how to interface a barometric BMP180 sensor with Arduino. We will also be exploring some of its […]
Deep Soil Metal Detector Circuit – Ground Scanner
In this post I have explained a simple deep under soil metal detector circuit for evaluating hidden metals such as gold, iron, tin, brass etc by detecting change in the […]
Electronic Door for Pets Circuit – Opens when Pet Nears the Door
In this post I have explained a simple electronic door circuit for pets which can be used as an electronic dog door for allowing only your specific pet dog to […]
Simple 20 watt Amplifier Circuits
This article is written with an intent to build a simple 20 Watt Amplifier. All the amplifier circuits presented below will provide a full output power of 20 watts into […]