The post presents a simple transformerless 1.5V DC power supply circuit which can be used for powering wall clocks directly from mains, and also keep a stand by back-up cell fully charged for enabling an uninterrupted operation of the clock even during mains failures. The idea was requested by Cheekin Warning: This circuit is not […]
Archives for 2016
0-60V LM317HV Variable Power Supply Circuit Diagram
The high voltage LM317HV series of ICs will allow to go beyond the traditional voltage limits of an LM317 IC and enable controlling supplies that may be as high as 60V. 0-60V Regulation with a Single IC LM317 Therefore now you can build a universal 0-60V regulated power supply circuit loaded with all the essential […]
Make this 18V Cordless Drill Battery Charger Circuit
In this post I have explained how to build and use a 18V battery charger circuit for a cordless drill machine. The idea was requested by Mr. Chibuzo. Technical Specifications The Design Whether it’s a lead acid battery, a Ni-Cd or a Li-ion, this multipurpose battery charger shown below can be applied for any of […]
Digital Clock Circuit Using 16×2 LCD Display
In this post I have explained how to make a simple digital clock using Arduino and a 16 x 2 LCD display. Introduction As an electronics enthusiast at a stage we would have thought, how to make a digital clock, especially who are interested in the field of digital electronics. In this article we are […]
How to Make Arduino on Breadboard – Step by Step Instructions
In this article I have explained how to make an Arduino on a breadboard. We are also going to see what is an Arduino, how to program it and how to assemble them as standalone microcontroller on a breadboard or PCB. Arduino was a boon for those who wanted to learn microcontrollers and embedded system […]
Raspberry Pi Explained
In this article I have explained about Raspberry Pi single board computer, their specifications, how to use them in a project, we are also going to do a small comparison between Arduino and Raspberry Pi, so that we can choose which of them are best for your projects. What is Raspberry Pi? Raspberry Pi is […]