Transformerless inverters are compact power solutions that convert 240V DC from batteries directly to 220V AC without bulky transformers. This design, using IRF740 MOSFETs,s delivers about 100W—perfect for charging phones, running small lights, or powering fans during outages. Let’s break down the circuit, how it works, and how to build it safely. Why Go Transformerless? … Read more
Hey friend, if you want a dead-simple, ultra-reliable 12 V to 220 V square-wave inverter that can swing a real 800–1000 W continuous load without fancy microcontrollers or expensive driver boards, then this exact circuit is the one I still build in 2025. I’ve made at least twenty of these over the years, and one … Read more
Hey friend, if you have ever dealt with a power outage and wished for a quick way to keep a light or small device running, building a 100-watt inverter could be just the project for you. I have put together plenty of these in my time as an electronics engineer, and they are straightforward to … Read more
Hey there! If you’ve ever wanted to convert 12V DC from a battery into 220V AC for powering household devices, an inverter circuit is your answer. Today, I’m excited to walk you through building one using the SG3525 IC. It’s a fun project that’s perfect if you’re into electronics and want to try something practical. … Read more
If you’ve ever needed a portable power solution during an outage, a 100 watt inverter is a fantastic project to tackle. This device converts 12V DC from a battery into 100W AC power, perfect for running small appliances like a 100-watt bulb. As an experienced electronics engineer, I’ll walk you through a hand-drawn circuit diagram, … Read more
Are you interested in learning how to create your own power backup solution? A simple inverter circuit can convert DC power from a battery into AC power, making it perfect for running small household appliances during power outages. In this detailed guide, we’ll analyze the provided circuit diagram and walk you through the process of … Read more
An inverter circuit is a fantastic project for anyone looking to convert DC power into AC power, enabling you to run household appliances from a battery. In this guide, we’ll explore a simple inverter circuit that transforms a 12V DC input into a 220-300V AC output using minimal components. Perfect for beginners and electronics enthusiasts, … Read more