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Newly Updated Circuit Projects:

Best 3 MPPT Solar Charge Controller Circuits for Efficient Battery Charging

Last Updated on April 29, 2020 by Swagatam 211 Comments

solar2Bmppt

An MPPT as we all know refers to maximum power point tracking which is typically associated with solar panels for optimizing their outputs with maximum efficiency. In this post I have explained the 3 best  MPPT controller circuits for efficiently harnessing solar power and charging a battery in the most efficient manner. Where an MPPT […]

Filed Under: Solar Controller Circuits Tagged With: Best, Charge, Circuits, Controller, MPPT, Solar

How to Make an ATX UPS Circuit with Charger

Last Updated on April 28, 2020 by Swagatam 19 Comments

atx2Bups

In this post I have explained a simple ATX UPS circuit with an automatic charger for enabling an automatic changeover from mains to battery power during mains failures and for ensuring an uninterruptible operation of the ATX load. Technical Specifications I´m interested in your site and there are a lot good ideas. But for my […]

Filed Under: Inverter Circuits Tagged With: ATX, Charger, UPS

5 V to 10 V Converter for TTL Circuits

Last Updated on April 19, 2020 by Swagatam Leave a Comment

doubler

In this post I have explained a simple 5 V to 10 V converter circuit which can be used in TTL circuits where only 5 V is available and converting this 5 V to 10 V can be extremely useful for operating an adjacent circuit which may require a supply of around 9 V or […]

Filed Under: Power Supply Circuits Tagged With: Circuits, Converter, TTL

How to Measure Dissolved Oxygen in Liquids

Last Updated on April 19, 2020 by Swagatam 3 Comments

dissolvedoxygensensor

In this post I have explained a sensor device used for measuring the level or amount of dissolved oxygen in water and other fluids. The idea was requested by Mr. Amit Technical Specifications  I didn’t find sensors or sensor modules for Dissolved Oxygen or pH readings for us to use with controllers for our projects. […]

Filed Under: Water Controller Tagged With: Dissolved, Liquids, Measure, Oxygen

How to Illuminate 1 Watt LEDs with Cell Phone Charger

Last Updated on April 18, 2020 by Swagatam 62 Comments

cell phone emergency lamp circuit

Nowadays probably all of us have a spare cell phone charger lying idle in our cupboards or table drawers……so wouldn’t it be a great idea if we could employ it like a super bright 1 watt LED driver and illuminate our room with white cool moon light. Circuit Concept As we all know that a 1 watt […]

Filed Under: Battery Charger Circuits Tagged With: Cell, Charger, Illuminate, LEDs, Phone, Watt

Arduino Battery Level Indicator Circuit

Last Updated on April 14, 2020 by Swagatam 96 Comments

P 20161105 061716

In this post, I will show how to construct an Arduino based  battery level indicator, where a series of 6 LEDs show the level of the battery. If you are interested in monitoring and maintenance of your 12V battery, this circuit might become handy. Why Battery Level Monitoring is Crucial All batteries have certain voltage […]

Filed Under: Battery Charger Circuits Tagged With: Arduino, Battery, Indicator, Level

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