My own USB-powered LED

Last month, I succeeded in a simple USB-powered LED electronic project.
The USB has 4 pins, I just connected the +5V and GND to make it works. Since I did not use the +D and -D, this LED would not be detected by computer at all.

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Cool!

If you’re interested in electronics, I’d suggest an Arduino kit. You can make increasingly complex devices with it, like sound-activated LEDs or a remote controlled button, or even robots if you are clever enough!

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Arduino is a microcontroller kit. I see. The Wikipedia says it has I/O port and can be programmed with C language. Thank you for your recommendation.
However, I am a little confused between Arduino and Raspberry Pi.

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awesome!

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Raspberry Pi’s are another line of system-on-chips that are a bit more advanced to program for than an Arduino. Arduinos are more beginner-friendly, but you can do more with a Raspberry Pi since it has more capabilities.

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Wow @LED, cute picture!

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