The post explains how to make an electronic stethoscope amplifier circuit for enabling a loud audible reproduction of the heart beats which is being diagnosed. The article also reveals how […]
Audio and Amplifier Projects
How to Design High-Pass and Low-Pass Filter Circuits Quickly
In this post we learn how to design audio filter circuits such as high pass filter and low pass filter circuits effortlessly without going through the hassles of complex simulation […]
Notch Filter Circuits with Design Details
In this article we go through a detailed discussion regarding how to design notch filters with precise center frequency and for maximum impact. Where Notch Filter are Used Notch filter […]
60W, 120W, 170W, 300W Power Amplifier Circuit
The post presents an in-depth discussion regarding the construction details of a universal high power amplifier which can be modified or adjusted to suit any range within 60 watt, 120 […]
Arduino Musical Tune Generator Circuit
You can use this little Arduino musical tune generator circuit for a preferred application, such as for making an interesting door bell, as a car reverse horn, or music box […]
Subwoofer Music Level Indicator Circuit
The post discusses a LED music power level indicator for indicating a subwoofer bass power range, which can be also modified as an effective dancing Electroluminescent Wire light show. The […]