Powering Your Microcontroller’s Base Project

A good power supply is an essential subject to the microcontroller’s base project; it’s like a heart that gives a life to our microcontroller. Sometimes we take it for granted the important of having an adequate power supply to our microcontroller project and this can lead to the unexpected result or behavior from the circuit. In this tutorial we will learn the principal of powering our microcontroller and ...

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Automatic Power Factor Controller using Microcontroller

The thirst for new sources of energy is unquenchable, but we seldom realize that we are wasting a part of the electrical energy every day due to the lagging power factor in the inductive loads we use. Hence there is an urgent need to avoid this wastage of energy. Before getting into the details of Power factor correction, lets just brush our knowledge about the term “power factor”. In simple words power fac ...

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Nixie Tube Ornament

The Nixie Tube Ornament is a homage to the light-up&motion ornaments from the early 90's. The ornament looks cool on a tree and makes a great gift. Finally, a use for IN-12/15 top view tubes! I used an IN-15A symbol nixie in this ornament. An IN-12 works great too. A video of the ornament alone: A video of the ornament in my tree. (Yes, the walls are changing color. I have the si-light system in my apar ...

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Single microcontroller based 12v to 230v inverter with intelligent battery charging

Single microcontroller based 12v to 230v inverter with intelligent battery charging (Made by me) Here I describe the circuit as: *single microcontroller/controller (ATMEGA16/32) *no op-amps, only chips are the micro, opto-couplers and regulator (7805) *low-battery/overload/short-circuit protection *thyristor controlled battery charger, using the MOSFET body diode as the AC-DC rectifier *charger maintains th ...

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Solar energy measurement using pic microcontroller

Solar energy measurement: This project is designed to measured energy of solar panels. In this project you will get a idea how to meausre solar energy using different sensors and pic microcontroller. Followings are the main parts used in this project : Current sensor voltage sensor PIC16F877A microcontroller LCD display Power supply Block diagram of solar energy measurement system: At the right side of diag ...

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OPEN-DESIGN CHARGE REGULATOR PROJECT

We have been wanting to design and build an open-design, relatively inexpensive but fully functioned charge regulator for solar PV, wind, pedal and small hydro systems for a while now. The majority of off-grid renewable energy systems are based upon lead acid batteries. Lead-acid batteries need to be protected from over-charging by the renewable energy source and over-discharging from the loads. This can be ...

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