The article presents a 4 assorted power bank circuits using 1.5V cell and 3.7V Li-ion cell which can be built by any individual for their personal emergency cellphone charging functionality. […]
2 Simple Voltage to Frequency Converter Circuits Explained
A voltage to frequency converter circuit converts a proportionately varying input voltage int a proportionately varying output frequency. The first design is using the IC VFC32 which is an advanced […]
Make this Simple Washing Machine System
In this post we learn how to make a simple washing machine using a single motor and a cam shaft mechanism, cheaply. The Concept Washing machines are costly devices which […]
5 Simple Siren Circuits you can Build at Home
In this post we learn about a 5 simple siren circuits, using Arduino and also with ordinary components such as transistors and capacitors yet is able to produce an alarm […]
Simple Pneumatic Timer Circuit
The article explains a simple two step IC 555 timer circuit which can be used for sequentially operating any specified industrial mechanism system, in this application it’s used for operating […]
Simplest Windmill Generator Circuit
这篇文章解释了如何make a simple windmill generator circuit which can be used for charging batteries, or for operating any desired electrical equipment, all through day and night, […]