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Adafruit Feather 32u4 Basic Proto

At the Feather 32u4's heart is at ATmega32u4 clocked at 8 MHz and at 3.3V logic, a chip well supported in the Arduino IDE and can run just about every sensor/library out there. There is also a tiny little prototyping area on board.
10738
Your Price: €30.88
Weight: 10 g
Add to Cart Quantity On Hand:2
 

Specifications:
- 2.0" x 0.9" x 0.28" (51mm x 23mm x 8mm) without headers soldered in
- Light as a (large?) feather - 4.8 grams
- ATmega32u4 @ 8MHz with 3.3V logic/power
- 3.3V regulator with 500mA peak current output
- USB native support, comes with USB bootloader and serial port debugging
- 20 GPIO pins
- Hardware Serial, hardware I2C, hardware SPI support
- 8x PWM pins
- 10x analog inputs
- Built in 100mA lipoly charger with charging status indicator LED