Tiny, open source, M0 board

The ARM PRO MINI is a tiny, open source, board based on a Cortex M0 MCU. The whole project, including schematics and BOM, is available on github.


The MCU is an NXP ARM M0 LPC11U35FHI33/501. This means that the Eclipse-based LPCXpresso IDE can be used to develop code in C/C++. Another alternative is to use the ARMmbed Online IDE (you will have to register to get to the compiler section, it is free). The ARM PRO MINI comes with a convenience library, making development easy.

The pins can be multiplexed between various functions, so the potential configurations differ a bit. The possibilities can be summarized as follows:

  • 0-8 ADC channels
  • Up to 26 GPIO pins
  • 0-2 SPI interfaces
  • 0-1 UARTs
  • 0-1 I2C interfaces
  • 1 USB port
  • Power pins (4.5-16V in, regulated 3.3V and 5V out)

Via dangerousprototypes.

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