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Switching Solar Panel Regulator Circuit with Transistors

Last Updated on March 11, 2025 by Admin Leave a Comment

So here we are talking about a very simple, completely transistor-based solar switching buck converter circuit. What it does is, it takes an input from 40V to 60V and converts […]

Filed Under: Solar Controller Circuits Tagged With: Panel, Regulator, Solar, Switching, Transistors

Dry Run Protector Circuits using Transistors only

Last Updated on December 29, 2024 by Admin Leave a Comment

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The basic dry run protection circuits using BJTs shown here provide simple ways to check for low water levels in an underground tank but without needing to use probes inside […]

Filed Under: Water Sensor and Controller Tagged With: Circuits, Dry, only, Protector, Run, Transistors

Simplest Mosquito Repellent Circuit using Transistors

Last Updated on December 21, 2024 by Admin Leave a Comment

mos rep

Let’s face it, mosquitoes are some of the most annoying bugs out there. They not only bug us like crazy but they also have the potential to spread some really […]

Filed Under: Pets and Pests Tagged With: Mosquito, Repellent, Simplest, Transistors

Simple Strobe Light Circuits using Transistors

Last Updated on November 27, 2024 by Admin Leave a Comment

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You might think strobe lights can only be created using complex xenon tubes, but that’s not true if you find them interesting. Having the right driving circuit that can handle […]

Filed Under: Lights and Lamps Tagged With: Circuits, Light, Simple, Strobe, Transistors

Water Level Controller Circuit using only Transistors

Last Updated on November 17, 2024 by Admin Leave a Comment

water

I have got this gadget called an automatic water level controller circuit. It’s pretty neat, it checks if the water in my tank is too low or too high and […]

Filed Under: Water Sensor and Controller Tagged With: Controller, Level, only, Transistors, Water

High Low Temperature Alarm Circuit using Transistors

Last Updated on November 13, 2024 by Admin Leave a Comment

over and under temperature detector circuit

This high/low temperature indicator circuit uses only BJTs and the temperature is being monitored by a thermistor. This straightforward temperature alarm circuit is set to sound an alert (either vocally […]

Filed Under: New Circuits Tagged With: Alarm, High, Low, Temperature, Transistors

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