This creative idea is submitted by Mr. Higgins, who always inspires us with his passionate and unique mechanical concepts. In the real world, closed-loop gravity and heat systems run into big limits due to the laws of physics and energy loss, but thinking through these unique designs is still a great way to challenge our […]
Solar
Build this Simple Solar Egg Incubator Circuit
In this post I am showing you one very nice and simple solar powered egg incubator circuit project. Many people ask me bro how to upgrade simple incubator with solar charger and battery backup so egg will not spoil when main power line is going off. In rural areas power cut is major problem for […]
100V to 450V Solar Battery Charger Circuit with Automatic cut-off using MOSFET
Hello friends, today we will discuss about a very interesting high voltage solar panel battery charger circuit. Many people ask how to safely charge battery from high voltage PV panels like 100V to 450V. So today I am explaining the complete step by step working of this circuit. Power On and Initial SCR Latching Assuming […]
90V to 400V Low Voltage Cutoff Circuit for Solar Inverters
Today we are going to discuss a purely analog high voltage protection circuit which is specially designed for solar power systems working with PV voltages from around 90 volts up to 400 volts DC. The main purpose of this circuit is to disconnect the inverter whenever the solar panel voltage falls below a safe level, […]
Smart Buck-Boost MPPT Solar Charger Circuit for 12V 24V Battery
In this post we are going to learn how we can make one real working smart solar battery charger circuit which can do MPPT charging. We are using Arduino Nano as the brain for controlling everything. We will also use INA219 sensor module so that we can read the solar voltage and current properly. And […]
True MPPT Solar Controller Circuit using IC 555
Are you wondering if it was possible to build a very simple MPPT circuit using ordinary parts like IC 555 and IC 741, which would work most efficiently imitating a true MPPT? The answer is yes, it is possible, and we will learn about it details, in the following article. In this design I used […]




