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...where a bunch of geeks got together to make other people's ideas come to life.
The Pro Nano is an Arduino compatible microcontroller development board based on the ATtiny85 microcontroller. It is based around the DigiSpark which uses the micronucleus bootloader. The board uses V-USB which allows the board to be programmed directly over a bit banged USB connection. As an added bonus, this tiny board can also be used with V-USB to emulate any USB 1.0 device!
The board is broken down into 10 individual pins and has 2 indication LEDs, one of which is dedicated to power. It has 5 GPIO pins but two are shared with the USB interface. The three other pins have 1 analog input and two PWM outputs. The shared pins have an extra analog pin and a PWM pin which can be used if your board does not need to be connected to the computer after programming. This version runs on 3.3V and has an onboard voltage regulator so you can also run on a 12V supplied to the "RAW" pin.
You can download the Arduino IDE and related files from the DigiSpark tutorial page.
Dimensions: 25 x 17 mm