Water Quality Checker Project | Simple Circuit Diagram

Water Quality Checker Project | Simple Circuit Diagram

How to measure water purity? How to test water quality using a simple electronics project? You can perform water purity measurement and water quality analysis using this water quality checker project circuit. This circuit is built around a simple LDR (Light Depended Resistor) and some discrete components. The detailed circuit…

Simple Home Audio Power Amplifier Circuit Schematic
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Simple Home Audio Power Amplifier Circuit Schematic

You are now going to be introduced with a new audio power amplifier schematic built around TIP Darlington pair transistors. You can use this circuit for home audio power amplifiers and car audio amplifiers. The TIP142 and TIP147 Darlington pair transistors form a push-pull high power amplifier configuration while the two BC558 PNP transistor…

Home Security Alarm System Circuit Diagram
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Home Security Alarm System Circuit Diagram

Have you ever thought about home security? And implementing your own home security alarm systems? It’s one of the simplest and most interesting circuits for electronic beginners. Our new home security equipment uses an LDR (Light Depended Resistor) to detect security problems. Theft attempts and other…

Simple Condenser Microphone Mini Audio Amplifier Circuit Schematic
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Simple Condenser Microphone Mini Audio Amplifier Circuit Schematic

This is a very useful and simple circuit diagram for amplifying the weak signals from a capacitive condenser microphone. You can use this circuit for sound sensing applications and some automatic robotic sensors. We have already posted an efficient audio amplifier circuit using 1895 IC. It is…

DTMF Decoder Circuit Using M8870 | Schematic and Working Principle
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DTMF Decoder Circuit Using M8870 | Schematic and Working Principle

A Dual Tone Multi-Frequency or DTMF decoder circuit identifies the dial tone from the telephone line and decodes the key pressed on the remote telephone. Here, for the detection of DTMF signaling, we are using the IC MT8870DE. MT8870 is a touch-tone decoder IC. It decodes the input DTMF into…

Circuit Diagram of Mosfet Power Amptop | 10 Simple 555 Timer Projects Kits for Students
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Circuit Diagram of Mosfet Power Amptop | 10 Simple 555 Timer Projects Kits for Students

Today Electronic projects for school students are an essential part of their academics. These educational science experiments for kids boost their skills and analytic power rapidly to a great extent. But most of the parents and students worry about how to make…

Laser Communication Project Circuit Schematic Using Laser Diode and lm386 Low Voltage Audio Amplifier

Laser Communication Project Circuit Schematic Using Laser Diode and lm386 Low Voltage Audio Amplifier

Laser communication project circuit is a popular basic project that is a useful part of many big projects. The LM386 is a low voltage power amplifier (audio amp chip) IC. This circuit is usful in low voltage customer applications. The…

Getting started with PIC Microcontroller Programming
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Getting started with PIC Microcontroller Programming

PIC (Peripheral Interface Controller) is a microcontroller family. It is developed by Microchip Technology. It plays important role in embedded systems. Low cost, serial programming capability, reprogramming of the flash memory, availability of free developing tools, large user database, etc. are some…

2w Battery Powered Portable Audio Amplifier Circuit Using Tpa2025d1

2w Battery Powered Portable Audio Amplifier Circuit Using Tpa2025d1

Here we are dealing with a simple powered portable audio amplifier circuit using TPA2025D1 IC chip. The TPA2025D1 is a high-efficiency Class-D audio power amplifier (mini amp) with battery tracking AGC (Automatic Gain Control) technology. We are also using an integrated Class-G boost converter that enhances efficiency at…