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True MPPT Solar Controller Circuit using IC 555

Last Updated on May 14, 2025 by Swagatam 2 Comments

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 […]

Filed Under: Solar Controller Circuits Tagged With: 555, Controller, MPPT, Solar, True

TPS24710/11/12/13 Hot-Swap Controller Circuit Explained

Last Updated on February 14, 2025 by Swagatam Leave a Comment

When we talk about hot-swap controllers, it is basically an electronic device or integrated circuit (IC) that allows you to the insert or/and remove circuit boards, modules or parts within an active system without having you to switch off the system. It regulates the surge current whenever a component is installed and protects from short […]

Filed Under: Voltage Control and Protection Tagged With: Controller, Explained, Swap, TPS24710

Furnace Vent Controller Circuit Diagram

Last Updated on January 17, 2025 by Swagatam Leave a Comment

This interesting furnace vent controller circuit was designed and submitted to me for publication by a dedicated reader of this blog and a keen electronic enthusiast Mr. August Peterson. I am extremely thankful to Mr. August for his very useful and generous contribution to this site. Here’s the email sent by him, with the technical […]

Filed Under: Temperature Controllers Tagged With: Controller, Furnace, Vent

Automatic Door Controller Circuit Diagram using a Single Push-Button

Last Updated on January 17, 2025 by Swagatam 17 Comments

door controller circuit

This door controller circuit works in this way: Initially the door is in the closed state. When a push button is pressed, the door begins opening until it reaches the end of the course. When it reaches the end, it automatically reverses its direction and now the door begins closing. It keeps moving until it […]

Filed Under: Motor Controller Tagged With: Automatic, Button, Controller, Door, Push, Single

LM35 IC Temperature Controller Circuit with Push Button

Last Updated on February 23, 2024 by Swagatam 238 Comments

LM35 temperture controller circuit diagram with push button

In this post I have explained a simple yet very accurate temperature controller circuit using IC LM35, featuring an automatic cut off with a push button latch. LM35 is a precision temperature sensor IC, which can be effectively used for detecting temperature differences accurately. For more details regarding this IC you can refer to this […]

Filed Under: Temperature Controllers Tagged With: Button, Controller, LM35, Push, Temperature

DC Power Controller Circuit

Last Updated on January 3, 2024 by Swagatam 12 Comments

DC power controller circuit

In this post I have explained a DC power controller circuit which can be used for controlling the power of motors and lamps with maximum efficiency. By Sangeeta Naik How MOSFETs conduct to Handle Power Efficiently A minimum amount of power is lost whenever a power transistor (BJT or MOSFET) is in the turned off […]

Filed Under: Voltage Control and Protection Tagged With: Controller, DC, Power

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