OLIMEXINO-85S Arduino Compatible Board is About the Size of a micro SD Card

Several Arduino boards have been designed to be as small as possible this year, including Microduino (25.40 x 27.94mm) and OLIMEXINO-NANO (30 x 30 mm). But Olimex has gone a step further, or should I say smaller, with OLIMEXINO-85S that just a little bit bigger than a micro SD card at 16.9 x 12.7 mm, and may currently claim the title of the smallest Arduino compatible board ever.


A board that tiny comes with pretty short specifications:

  • MCU – Atmel ATTiny85 @ 20MHz with 8 KB Flash, and 512B RAM.
  • Misc – two LEDs one for power supply and one user programmable
  • I/O – All 6 I/O pins (I2C, SPI, up to 4 ADC), as well as power pins, available via through holes
  • Power – Via USB micro connector or by LiPo battery

The board will be programmable by the Arduino IDE made by Digispark.

OLIMEXINO-85S will be available at the beginning of January 2014, and sell for 4 Euros.

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