The Femtoduino USB boasts the same power and pin count of an Arduino UNO, but in an incredibly small form factor. It's about the size of a U.S. Penny, and still packs an on-board voltage regulator, and Micro-B USB port!
Installing the FTDI Chip Drivers
Width: 20.7 mm (0.81 inches)
Height: 15.2 mm (0.6 inches)
Pin spacing: 0.05 inch (1.27 mm) pitch
Weight: 2 grams (approx.)
VIN - Connects voltage though on-board voltage regulator. 10V max, converts to 5V.
VCC - Unregulated! Do NOT exceed 5V.
Operating Voltage: 3.3V to 5V
Amperage: VCC, VIN, GND - Do not exceed 200 mA.
Amperage: All other pins - Do not exceed 40mA.
Same power and pin count of an Arduino UNO (Microcontroller: ATMEGA328p-MU)
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