Open source hardware enables customization and innovation for makers
Compatible with all current shields for expanded functionality
Pre-assembled board allows for immediate prototyping without soldering
Multiple input/output pins support a wide range of physical computing applications
USB connectivity for easy programming and power supply
Summarized by Shop
The Arduino is an amazing tool for physical computing — it's an open source microcontroller board, plus a free software development environment. Use it to make cool interactive objects that can sense inputs from switches, sensors, and computers — and then control motors, lights, and other physical outputs in the real world.
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