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How to choose a resistor for your LED
Selecting a resistor for an LED - 6 easy steps

Why do we need a resistor for an LED? Once you pass the forward voltage, a slight increase ...

Why do we need a resistor for an LED? Once you pass the forward voltage, a slight increase in voltage makes a huge increase in current. You don’t ...

Why do we need a resistor for an LED? Once you pass the forward voltage, a slight increase in voltage makes a huge increase in current. You don’t wanna blow things up!

Why LEDs are Better
Why Are LED's Better? (Comparing different types of light bulbs)

LEDs are better than other light sources in most applications. While they are more ...

LEDs are better than other light sources in most applications. While they are more efficient, there are a lot more things to consider when buying ...

LEDs are better than other light sources in most applications. While they are more efficient, there are a lot more things to consider when buying a lightbulb than just how much ...

How Does a Diode Work on the Molecular level
How does a diode work? (Part 1 - The PN Junction)

In our previous tutorials, we’ve discussed the basics of semiconductors, band gap, current ...

In our previous tutorials, we’ve discussed the basics of semiconductors, band gap, current carriers, and its classification. We learned that in ...

In our previous tutorials, we’ve discussed the basics of semiconductors, band gap, current carriers, and its classification. We learned that in order for a semiconductor ...

Voltage Divider
Voltage Divider

Before we can get too deep into voltage dividers, it is essential to have a good ...

Before we can get too deep into voltage dividers, it is essential to have a good understanding of what happens with Parallel and Series Resistors. ...

Before we can get too deep into voltage dividers, it is essential to have a good understanding of what happens with Parallel and Series Resistors. Once you understand how a ...

What is a Resistor
What's a Resistor

Resistors are the most common electronics component in the world. They’re used in many ...

Resistors are the most common electronics component in the world. They’re used in many forms of circuits as voltage dividers, to keep current ...

Resistors are the most common electronics component in the world. They’re used in many forms of circuits as voltage dividers, to keep current levels under control with things ...

Power Dissipation in Circuits
Power Dissipation in Circuits

In normal conversation, power is often interchanged with a lot of similar but actually ...

In normal conversation, power is often interchanged with a lot of similar but actually different words - energy is a big one. Power is the amount ...

In normal conversation, power is often interchanged with a lot of similar but actually different words - energy is a big one. Power is the amount of energy that is expended ...

LEDs and Forward Voltage
LEDs and Forward Voltage

I have to admit, I’m biased. I think LEDs are awesome. But, really, the reason I’m biased ...

I have to admit, I’m biased. I think LEDs are awesome. But, really, the reason I’m biased and love them so much is because they’re just so cool. ...

I have to admit, I’m biased. I think LEDs are awesome. But, really, the reason I’m biased and love them so much is because they’re just so cool. I’ve found that as I replaced ...

Voltage and Current Sources
Voltage and Current Sources

Every circuit has a power source, or else it won’t do much. While the actual power source ...

Every circuit has a power source, or else it won’t do much. While the actual power source can vary wildly, they all fit under the two general ...

Every circuit has a power source, or else it won’t do much. While the actual power source can vary wildly, they all fit under the two general titles of “voltage source” or ...

Basics of Potentiometers
Basics of Potentiometers

Potentiometers. Pots. Trimmers. Rheostats. If you’ve done very much with electronics, ...

Potentiometers. Pots. Trimmers. Rheostats. If you’ve done very much with electronics, you’ve heard at least a couple of these words. Maybe you’ve ...

Potentiometers. Pots. Trimmers. Rheostats. If you’ve done very much with electronics, you’ve heard at least a couple of these words. Maybe you’ve heard them interchangeably and ...

Band Gap and Semiconductor Current Carriers
Band Gap and Semiconductor Current Carriers

If we recall some basic topics in chemistry, we’ll remember that all atoms consist of ...

If we recall some basic topics in chemistry, we’ll remember that all atoms consist of neutrons, protons, and electrons, except for a normal ...

If we recall some basic topics in chemistry, we’ll remember that all atoms consist of neutrons, protons, and electrons, except for a normal hydrogen atom which doesn’t have a ...

Parallel and Series Resistors
Parallel and Series Resistors

One would think that, if you need a specific resistance, you would find a resistor of that ...

One would think that, if you need a specific resistance, you would find a resistor of that resistance and you’d never have to worry about putting ...

One would think that, if you need a specific resistance, you would find a resistor of that resistance and you’d never have to worry about putting multiple resistors together. ...

Basics of Semiconductors
Basics of Semiconductors

Before semiconductor devices existed, vacuum tubes were the only devices available for ...

Before semiconductor devices existed, vacuum tubes were the only devices available for signal amplification, switching, and other applications. ...

Before semiconductor devices existed, vacuum tubes were the only devices available for signal amplification, switching, and other applications. Though vacuum tubes are ...

Multimeter 101
Multimeters 101

Multimeters are used by anyone who deals with electricity. They’re very versatile and can ...

Multimeters are used by anyone who deals with electricity. They’re very versatile and can be used to characterize an embedded system or ...

Multimeters are used by anyone who deals with electricity. They’re very versatile and can be used to characterize an embedded system or troubleshoot a non-functioning lightbulb ...

Classification of Semiconductors
Classification of Semiconductors

We are going to have a quick discussion of the two classifications of semiconductors, which ...

We are going to have a quick discussion of the two classifications of semiconductors, which will help us understand the basics of semiconductors ...

We are going to have a quick discussion of the two classifications of semiconductors, which will help us understand the basics of semiconductors better.

How to use a Breadboard
How to use a Breadboard

With the amount of fully functional development boards out there, it’s possible that you ...

With the amount of fully functional development boards out there, it’s possible that you won’t use a breadboard very often. However, if you spend ...

With the amount of fully functional development boards out there, it’s possible that you won’t use a breadboard very often. However, if you spend enough time in electronics, ...

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