The ultimate upgrade to your hat.
Project showcase by EyalSch
My daughter is getting adventurous in her cycling, so I put together a simple logger and speedo to show where she traveled
Project tutorial by au_chrismor
A simple project to make a GPS log station with data speed, max speed, distance trip and altitude. all data are write on SD card
Project tutorial by wrighi
Recently Google Chrome added the functionality to communicate with serial devices from the browser. Build interactive experiences easily!
by Geert Roumen
please, link to buy the Light bulb :)
It turns out that 3.7v It is enough for the LEDs
You can make it with any Arduino. I chose the Pro Mini because it is small and Lightweight.
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