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Do you know someone who wants to learn a bit about electronics? Wiring up some components is the first step in starting the journey. Or maybe you just want to try out some of these cool Flashing RGB LEDs! With a total project cost of between $2.00 and $3.00 the time is right to try some of these things out. They can add some fun to the holidays that are just around the corner, these RGB LEDs will be on sale for the next while so that you can get some to spruce up the holiday season. These LEDs are magic, inside the ordinary looking LED dome there is actually 3 LEDs along with a tiny controller that sequences the lights in some cool patterns. Stay tuned for a peek inside one of these LEDs! It first cycles the individual colors quite rapidly, and that is followed by some slow color fades where individual and multi-color slow fades are performed. All you need is a single current limiting resistor and you are in business! Placement Ideas:
There are two projects listed below, one uses crimp connectors which means there is no soldering needed. The other uses out LED Mounting Board to solder all the components and leads to.
Solder Together Flashing RGB LED Project Video
Crimp Together Flashing RGB LED Project Video
Solder Together Flashing LED Project Assembly Steps
Crimp Together Flashing LED Project Assembly Steps
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November 28th, 2009
It’s a bit basic, I’m not sure how much one can learn about electronics from this project…
I was hoping it was going to take 3 LEDs of different colours and do blending/flashing on the board (without an arduino or such), then you’d really be learning, perhaps even taking a non-flashing RGB LED and making it flash would be better.
That being said, I might make some of these with button batteries for ‘LED Throwries’ (http://graffitiresearchlab.com/?page_id=6)
November 28th, 2009
“This is a simple LED project, do you know someone who wants to learn a bit about electronic?”
Or grammar.
November 28th, 2009
Thanks Pete.
November 28th, 2009
Hi Carl,
Throwies would be a great use. I also saw some balloon throwies somewhere. Flashing balloons would also be a neat use!
Yes it is basic, something that anyone can do to get their feet wet.
November 28th, 2009
Sheesh, kids have it too easy these days, RGB transition effects needed 3 LEDs and a whole board of discrete components back in the days !
(just kidding)
Is this the beginning of a new series of electronics tutorials ? If so, good. The PCB might be a little bit unnecessary, however!
November 29th, 2009
This type of Videos we need more off !!
I like this !
November 29th, 2009
Soldering an LED to a resistor cant really be called a “project”.
Great video tho.
But, i would never cut the leads off after soldering – should be done before. Altho it doesnt mean much in the project, later on, it can be vital.
November 29th, 2009
Hi Vic,
You forgot to mention that you had to walk up hill in both directions to get to the electronics lab.
November 29th, 2009
Hey JDM,
I admit the term project is used very loosely for this one… Just something simple that kids (or anyone who hasn’t built something electronic) can tackle.
What is your reasoning behind pre-cutting the leads? I have never heard of that before.
November 29th, 2009
Hi Alan,
From what ive always heard, cutting the leads after soldering, gives a small shock into the solder – which might produce small cracks. If you then happend to have the electronics somwhere where the temperature rises and falls, you might end up with a solder that cant take the stress.
December 5th, 2009
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