Volume control is very important in audio technology and digital way is more popular now and is very exact and works well. In this circuit, the MAX5486 chip handles digital volume control and its simple design makes the circuit easy to build, also the chip adjusts the sound level accurately and clearly through digital control […]
Hobby Circuits
Simple Stereo Headphone Amplifier Circuit using IC LM4910
LM4910 IC is special chip, it makes stereo headphone sound good by using a very low power, also the circuit is useful for small devices like MP3, phone, battery gadgets. Furthermore, it work on low voltage to around 3.3V and has shutdown mode to save power. This article for Simple Stereo Headphone Amplifier Circuit using […]
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 […]
Smart Headlight Automation Circuit using IC 555
Smart Headlight Automation Circuit using IC 555 turns ON the car light by itself when dark, it uses LDR to check light outside and 555 IC decide when light turns ON. Also, this circuit saves power, make car light work at right time and help driver be safe at night. Circuit Working: Parts List: Components […]
Simple Timer Based Clock Ticking Sound Circuit
This article is about Simple Timer Based Clock Ticking Sound Circuit using IC 555, as 555 in astable mode make repeat signal like clock tick.; also, signal goes to small speaker and make ticking sound. Furthermore, circuit is good for beginner, easy to learn 555 timer and sound making. Circuit Working: Parts List: Components Values […]