A simple cell phone charger with timer circuit is presented in the following article, which could be used for charging a given Mobile phone for a specified predetermined length of time. The idea was requested by Mr. Saad. Circuit Objectives and Requirements Could you design me this charger circuit ? Input 230V 60 Hz, and the […]
Timer and Delay Relay
Timer Controlled Submersible Pumpset Circuit
In this post I have explained a timer circuit for submersible borewell pumpset which alternately switches the pumpset ON/OFF at a predetermined rate in order to allow the ground water sufficient time to restore at regular intervals and to ensure a consistent water supply to the attached overhead tank. The idea was requested by Mr. […]
IC 4060 Latching Problem [Solved]
The post talks about an IC 4060 timer circuit problem implemented in a coffee wending machine, in which the circuit simply stops working each time its stipulated delay period is lapsed, even after a complete power switch OFF and ON. The question was presented by Mr. Kenndy and was solved through the following email discussion: […]
Poultry Feed Controller Timer Circuit
In this article I have explained a timer circuit specifically designed for detecting a poultry feed controller ON time period, and alarming a buzzer once the set time elapses. The idea was requested by one of readers of this blog. Technical Specifications Hello, I am a broiler poultry farmer. I have no electronic knowledge or skills. […]
Programmable Bidirectional Motor Timer Circuit
In this post I have explained a programmable bidirectional motor timer circuit for controlling a custom industrial mechanism. The idea was requested by Mr. Milton Technical Specifications I am a glass specialist, pretty good with DIY etc, but not too hot on electrics. I am planning a build for a 10mm Toughened Glass Watch display […]
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 […]





