A lead-acid battery charger circuit is a valuable power source for most systems, and you’ll find it in the motorcycle battery. Also, it is a simplistic circuit that facilitates charging common 12-Volt SLA Battery types.  Hence, It is essential in charging backup powe

Logic circuits may rely on a ripple carry adder to add n-bit values together. As a result, this digital circuit implementation provides useful features in many applications. However, it also exhibits delayed performance due to the slow calculation process. That typically involves

In recent times, LED lights have seen a rapid increase in use because of how cheap and durable they are. Plus, LEDs don’t consume as much energy as other light sources. Also, you can view different applications like decorations for houses or offices, emergency lights, automobil

Sometimes, technology can make giant leaps forward for the collective community. Transformerless technology is one of these developments. It offers utilities, independent power producers, and integrators unlimited power delivery and reduced complexity. It means the two most common

About AM Radio Schematic, An AM radio receiver circuit can use either one or more transistors alongside other electric components to function effectively. What’s more, its detection function ensures any changes in the radio waves at specific frequencies are noticeable. Next,

About DIY ESR Meter, Every trade has its unique set of tools. In the case of electronics, you should at least have a multimeter, screwdriver, cutter, and soldering iron and wires. The best part is you can find these tools in any electronics shop and for an affordable price. How

About Circuits With Free Energy，Can we get energy for free? How can we get the power, and is there a way to store the electricity we collect?  Below, we will look at a device that can sense and capture a band of energy around us. The primary circuit is a Tesla Free Energy Air C

As the name suggests, a circuit simulator simulates/imitates how electronic devices or circuits behave. They are often applicable in virtual analysis, drawing circuits, and circuit design on a computer.  Besides being quick and cost-effective, an online simulator also makes sim

Have you ever discovered your fridge door was slightly open all along and most of your food has gone wrong? Or, does your fridge door need that extra push to close properly? Well, you’re in luck because we have a solution for you. What you need is a refrigerator alarm with a contr

Tantalum Capacitor Marking，Tantalum capacitors are electrolytic capacitors and reliable components of PCBs. These capacitors are of different types. The tantalum capacitor marking is necessary to make the identification of various capacitors easy. However, various markings repr

About HHO Fuel Cell，There are many fun projects ideas out there for electronic enthusiasts, and some may even require a source of energy to work. These include projects like automobiles, some high-grade mechanical toys, and even drones. So, if you’re looking for a source of ele

Nothing helps you kick-start your journey into an electrical and electronics engineering career other than an excellent electrical engineering book. Now, there are many basic electricals books out there. The good ones are those that cover both theoretical and practical application

Metal Envelope Vacuum Tube Diodes In recent times, we’ve seen a lot of technological advances in the area of electrical devices. Nowadays, we can find a bunch of transistors creating logic gates and enabling computation. But, computers were around before the inventio

You may notice that the sound from your music player or listening device seems distorted or unclear. That’s usually due to a poor amplification process that allows unwanted high or low electronic noise frequencies to pass through. Now, a simple solution to this problem involves in

A BJT load line, or a Bipolar Junction Transistor, provides for both electrons and electron holes as charge carriers. It allowed a small current to inject at one of its terminals.  It can then control a larger current flowing between two terminals. Devices with this feature c

How do power control systems withstand high inrush currents? It seems like an arduous task. Nonetheless, this is where zero-crossing detectors (ZCD) come in handy.  With zero-crossing detection, the transition of a signal waveform will happen seamlessly. Therefore, a cross

Ever wondered how alarm clocks work? Or how buzzers or LEDs can stay on for so long without turning off? Well, until the power resets or someone flips the switch. Well, the answer is simple. All you need is a latch circuit. Latch circuits have one unique purpose: to keep run

There are two active-low outputs on the 74LS47 IC that may drive common-anode LEDs or incandescent indications. As an input, it takes a binary-coded decimal, thereby transforming it into a pattern that drives a seven-segment display that displays the numbers zero through nine (fro

Usually, electronic devices have rectifier circuit that enable AC to DC conversion in power supply systems. This circuit usage is in low power devices, such as battery chargers, to rectify the low voltage produced in rectification. To understand the rectifier circuit, we must l

Electronic circuits typically consist of resistors, capacitors, transformers, diodes, transistors, etc. Now, we will introduce a special diode type. Varicap diodes present useful applications in the electronics industry, providing voltage-controlled capacitance. Plus, they control