In this post we’ll study a simple high current mosfet based SPDT DC relay, which can be used in place conventional bulky SPDT mechanical relays. The idea was requested by Mr. Abu-Hafss. Working Concept A simple high current SPDT solid state DC relay or a DC SSR can be constructed using a couple of mosfets […]
Inverter Circuits
Troubleshooting Inverter Output Voltage Drop Issue
The post presents a discussion regarding the troubleshooting of a 4047 IC based inverter output voltage drop problem on connecting a load. The solution was requested by Mr. Isaac Johnson. The Issue Good day sir, I am a reader of your blog and an electronics hobbyist. I constructed a square wave inverter with a filter […]
How to Convert a Low Power Inverter to a High Power Inverter
Here I have explained about a couple of simple circuit configurations which will convert any low power inverter to a massive high power inverter circuit. You’ll find a plenty of small and medium sized inverters in the market ranging from 100 to 500 watts, the same may be seen posted in this blog. Upgrading or […]
Optimizing Grid, Solar Electricity with Inverter
In this post I have explained a circuit method which may be used to automatically switch and adjust the stronger counterpart amongst the solar panel, battery and the grid such that the load always gets the optimized power for an interrupted error for operations. The idea was requested by Mr. Raj. Technical Specifications Your projects/ circuits […]
Sinewave UPS using PIC16F72
The proposed sinewave inverter UPS circuit is built using PIC16F72 microcontroller, some passive electronic components and associated power devices. Data provided by: Mr. hisham bahaa-aldeen Main Features: The main technical features of the discussed PIC16F72 sinewave inverter may be evaluated from the following data: Power output (625/800va) fully customization and can be upgraded to other […]
IC 556 Pure Sine Wave Inverter Circuit
In the following post I have explained a pure sine wave inverter circuit using the IC 556 which forms the main sine wave processor device in the circuit. How it Works The presented design actually produces a modified sine wave output, but the waveform is highly processed and constitutes an exact equivalent of a sinusoidal […]





