Just wondering what cool things have been made! I am really intrested to see the extent arduino can go to!
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This is a Geek clock. There are two ways of telling the time. The first is the time displayed as a resistor colour code. The second way is a bit of a puzzle, like quarter to half past five.
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Japanese animation:
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I don't know if it is cool 
You decide ...
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Thats cool!
Ultrasonic trips one of four sound clips.
Tom.... 
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How about this one, played by my son and improvised on the spot:-
Isn't this using a Pi4?
that is awesome! im looking to make something simliar to that! you can check it out on my other topic. awesome!
Go to Youtube and use search words to find loads of Arduino projects and kits for robots, drones, 3D printers, light sabers, whatever turns you on. Be specific or face such a wide range of choices and spend hours and hours watching what different people think is cool, if you use cool as a search word. RGB led cubes got pretty cool but so have house, farm and industrial automation projects.
It really depends on what you think is cool.
The code for that one is using a Pi4, but there is nothing special about the code that prevents it being it made using a Leonardo, or Micro.
How about a mini-drone with FPV camera and 3D goggles?
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So far the coolest is this one: https://www.youtube.com/watch?v=4K_tzmO2TYc&ab_channel=DKARDU
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awesome!
Hello, i have recently started using an Arduino and I have the Arduino r3 kit at home and I wanted to try and make a keyboard as a project for school i was wondering if anyone knew how to actually do that without soldering. thank you
you guys want to see some of my cool DIY projects ?
here we go number 1:
a weatherstation with temp/pressure/humidity sensors outside sending values wireless to the indoor device
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spiral clock: the wheels turns a bit every 15 minutes and at 12:00h the ball falls down from the center of the spiral to start again from the bottom
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