To begin with, a Active Crossover Circuit using IC LM324 is an important project for audio, as it split audio signal into parts like low, mid and high. Each part go to right speaker with woofer for bass and tweeter for high, also this make sound better and system works well. People widely use the […]
Sound Pressure Level Meter Circuit using IC CA3140
Sound Pressure Level Meter Circuit using IC CA3140 is device to check how loud sound is in one place, also it shows sound level with visuals. Furthermore, the circuit is useful for audio testing, noise check and sound work and it shows simple way to make it using condenser mic, op-amp and FSD meter for […]
12 Watts Amplifier Circuit using Transistors
12 Watts Amplifier Circuit using Transistors make sound louder in audio systems and this 12W amplifier uses op-amp with NPN and PNP transistors. Thus, it gives strong output for 4 ohm speaker. Also, this circuit is good for audio lovers and boost weak sound to loud, which is clear and with good quality. Circuit Working: […]
Super Sensitive Intruder Alarm Circuit
This article for Super Sensitive Intruder Alarm Circuit talks about very simple but strong intruder alarm circuit, also it is very sensitive. Furthermore, this circuit is useful for security and it can detect very small Interference. This circuit uses IC 741 op-amp and IC 555 timer to work and it also use LDR (light sensor) […]
Simple Christmas Series Lights Tester Circuit
Christmas come one time in a year and it brings big joy. The Simple Christmas Series Lights Tester Circuit is an easy to build design that helps us find and fix problems in series Christmas lights, also people commonly use these lights for holiday decorations. If one bulb stops then all lights go OFF, as […]
Understanding Photosensitive Devices Circuits
Light is present all around us and photosensitive devices can feel this light, as these are very useful electronic components which change their action when light falls on them. We use these devices in automatic lights, alarms and many other electronic circuits. In this article, for Understanding Photosensitive Devices Circuits we will learn about their […]