Digispark

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The Digispark is an Attiny85 based microcontroller development board similar to the Arduino line, perfect for when an Arduino is too big.

Specification

  • Attiny85
  • Power via USB or External Source (regulated 5v or 7-35v, 12v or less recommended with automatic selection)
  • On-board 500ma 5V Regulator
  • Built-in USB
  • 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB)
  • 8k Flash Memory (about 6k after bootloader)
  • I2C and SPI (vis USI)
  • PWM on 3 pins (more possible with Software PWM)
  • ADC on 4 pins
  • Power LED and Test/Status LED