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Electronic Basics

Why can't I share a resistor on the common anode or cathode of my RGB LED?
Why can't I share a resistor on the common anode or cathode of my RGB LED?New

In our discussion about how an RGB LED works, we’ve mentioned that an RGB LED is basically ...

In our discussion about how an RGB LED works, we’ve mentioned that an RGB LED is basically an LED package with three internal LEDs (red, green, ...

In our discussion about how an RGB LED works, we’ve mentioned that an RGB LED is basically an LED package with three internal LEDs (red, green, and blue) inside it. In order to ...

History of LEDs
The History of LEDsNew

While LEDs may be everywhere now, that obviously wasn't always the case. So how did we go ...

While LEDs may be everywhere now, that obviously wasn't always the case. So how did we go from no LEDs to LEDs in nearly everything on the planet? ...

While LEDs may be everywhere now, that obviously wasn't always the case. So how did we go from no LEDs to LEDs in nearly everything on the planet? As we researched it, we were ...

LED bulb teardown
What's inside an LED bulb?New

We took apart two LED lightbulbs, a CREE LED bulb from 2014 and a Philips bulb from 2018, ...

We took apart two LED lightbulbs, a CREE LED bulb from 2014 and a Philips bulb from 2018, and compared their build quality, the electronics, and ...

We took apart two LED lightbulbs, a CREE LED bulb from 2014 and a Philips bulb from 2018, and compared their build quality, the electronics, and their overall design. It was ...

Ask an Engineer LEDs Part 3
Your LED Questions Answered! (Part 3)

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers ...

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers will be answered by an engineer. For this video, our ...

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers will be answered by an engineer. For this video, our main topic is all about LEDs ...

How to dim an LED
How to Dim an LED

Dimming is the process of varying the light output of a light source. This is done to set ...

Dimming is the process of varying the light output of a light source. This is done to set the ambience or to save energy when full light output is ...

Dimming is the process of varying the light output of a light source. This is done to set the ambience or to save energy when full light output is not really needed. Most of ...

Ask an Engineer LEDs Part 2
Your LED Questions Answered! (Part 2)

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers ...

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers will be answered by an engineer. For this video, our ...

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers will be answered by an engineer. For this video, our main topic is all about LEDs ...

How an RGB LED Works
How RGB LEDs work and how to control color

We've discussed a lot about LEDs like how it works in a semiconductor level, its pros and ...

We've discussed a lot about LEDs like how it works in a semiconductor level, its pros and cons, and how an individual LED can be dimmed through ...

We've discussed a lot about LEDs like how it works in a semiconductor level, its pros and cons, and how an individual LED can be dimmed through constant current reduction (CCR) ...

Ask an Electrical Engineer - Your LED Questions Answered! (Part 1)
Your LED Questions Answered! (Part 1)

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers ...

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers will be answered by an engineer. For this video, our ...

Ask an Electrical Engineer is a series where frequently asked questions from non-engineers will be answered by an engineer. For this video, our main topic is all about LEDs ...

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 ...

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 ...

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