In this discussion we try to learn the right procedure for selecting a charger for a Li-ion battery. The question was raised by Mr. Akshay. Li-Ion Charger Related Question I have a 5000mAh Li-ion battery. Can i select a charger for my Li-ion battery having the following specifications, the product is available on ebay? I […]
Newly Updated Circuit Projects:
Greywater Purifier Desalination System
In this post I have explained a simple grey water purifier, desalination design arrangement which can be used for recycling greywater into pure usable distilled water completely free of cost through solar heat concentration. The idea was requested by Mr. Luis Gomes Machado Circuit Objectives and Requirements I wrote to you on a forum last […]
Wireless Helmet Mounted Brake Light Circuit
In this post I have explained an innovative wireless LED brake light circuit which can be attached to a biker’s helmet. The LEDs attached with the helmet circuit illuminates in response to the motorcycle braking generating an enhanced brake light effect from the user’s helmet. The idea was requested by Mr. Bugoy. Technical Specifications Good […]
Difference Between Alternating Current(AC) and Direct Current(DC)
In this post we try to investigate the mains differences between alternating current (AC) and direct current (DC). The word AC and DC are pretty common with electronics and we all come across it while developing or dealing electronic circuit designs. Overview Though the terms are very ordinary with the field, many noobs become confused […]
Customized Water Flow Controller with Timer Circuit
In this article I have explained a customized water flow controller circuit with timer.he idea was requested by Mr. Daljeet Singh Sokhey. Technical Specifications Right now I am working on a different project and would like your help. There are 2 inputs and both must remain high for a period of 30 seconds for the […]
Analogue Water Flow Sensor/Meter Circuit – Check Water Flow Rate
In this post I have explained a simple water flow meter/sensor circuit using hall effect sensor and a pulse counter circuit. Referring to the diagram shown below, we can see an arrangement consisting of a circular enclosure having a couple of pipes drilled in and a circular turbine shaped wheel installed inside the enclosure. How […]





