The post explains a simple yet accurate spectrum analyzer circuit which can be easily made at home and used for analyzing the audio from a music system or simply as […]
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Simple Battery Voltage Monitor Circuits
The post describes simple battery charge monitor circuits or battery status circuits. The first design is a 4 LED voltage monitor circuit using the versatile IC LM324. The idea was […]
Solar Water Heater Circuit with Battery Charger
The proposed solar water heater with battery charger controller circuit explains a simple method of utilizing the excess solar energy from a solar panel for heating water in water tanks […]
Homemade Solar MPPT Circuit – Poor Man’s Maximum Power Point Tracker
MPPT stands for maximum power point tracker, which is an electronic system designed for optimizing the varying power output from a solar panel module such that the connected battery exploits the maximum […]
Make this Amplifier Power Meter Circuit
Music Amplifiers have always intrigued us due to their massive amplifying capabilities which completely changes the dimensions of the delivered music outputs. Fundamentally it’s the power of the amplifier that’s […]
Vibration Meter Circuit for Detecting Vibration Strength
The article discusses a couple of simple vibration meter circuits which can detect and measure the strength of mechanical vibrations. Video Clip demonstrating the Vibration meter working The proposed circuits […]