If you’ve ever worked on STM32, Arduino, or any hardware project, you already know this pain: You power your circuit…Voltage fluctuates…Something heats up…And suddenly—you’re debugging a problem that shouldn’t even exist. I’ve been there more times than I want to admit. Advertisements That’s exactly why a good lab power supply Read more
In the world of electronics, repair, and industrial systems, the difference between average and professional work often comes down to tools. While most people are familiar with basic multimeters and soldering kits, there exists a category of advanced, high-performance instruments that can dramatically improve accuracy, efficiency, and diagnostic capability. In Read more
When you are working with battery depending low power-consuming circuits, then you may need this innovative power switch. The concept is to save energy while the device is not operating but the battery is connected. Why we need to save energy: We use electricity almost all the time. In some Read more
Sometimes, you may need to make a DC/DC converter with minor components that can handle small loads. In this article, we are going to make something like that. This DC/DC converter using transistor has only a few components and can handle small loads or higher voltages, suitable to use with Read more
In this article, we are going to make a 6V lead-acid battery charger circuit in different ways. 6V lead-acid batteries were very common decades ago when portable emergency lanterns were very popular. But still, these batteries are being used in various devices. Sometimes, we need our custom battery charger circuit Read more
Here is a list of the top 5 bench power supplies that you can buy for your workbench. This list is made after user feedback, market analysis, price analysis, and personal opinion. All these power supplies are cheap but powerful enough to support your work. So let’s find them out. Read more
Sometimes making a high amp regulator become very complex using linear regulator ICs. But using a buck converter can be very easy if the circuit work is simplified. Especially for motor-type loads. In this article, we will make a simple motor regulator using buck converter utilizing N-Channel MOSFET and NE555 Read more
One of the very useful transformerless power supplies using Viper12A IC can be used in many applications. It is sufficient to run micro-controllers, sensors, displays, relays, and so on. With very few numbers of components, we can get a reliable transformerless power supply with Viper12A. ***Warning: An electrocution hazard exists Read more
From hobbyists to professionals transformerless power supply is one of the common power supply design everyone wants to do. This type of power supply has both advantages and disadvantages. In this article, I’ll discuss in detail this subject and will see several methods with calculations. So let’s start our “Transformerless Read more
