October 21 & 22, 2017
October 22, 2017
Nearly Every Weekend
Create an RGB LED lamp with an Arduino.
A simple project using an Arduino that will allow you to create an RGB LED lamp.
All that you need for this project is an Arduino and an RGB LED.
Here you can download the code for the Arduino: Arduino code
The gray cable is obviously the ground.
The three colours in series. There is a small fade between one colour and the next.
Whoa, what language was the app in???
Yea, I bought the ultimate kit from make. They ship common anode, not cathode… only fried one RGB LED to figure that out…
@Kevin, there’s a technical reason why red isnt a bright. If you use a ‘smaller’ resistor, it should be brighter. I’m using 220 on blue & green, 100 on red and it’s working better.
You should be less critical, for something so basic it goes without saying that you have to “salt to taste” . Not all RGB LED s Will use the same voltage & current.
Why doesn’t this tutorial recommend at least 100o resistors on the input lines?
Sir according to your program. Is that a Common anode or Common Cathode RGB Led?
Common cathode. The common is running to ground. Common anode would have the common connected to 3.3v or 5v.
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