BrainStem 40-pin mini-Breakout Board

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BrainStem Development 3.0
  • $32.00 (USD)
  • We accept Visa, Mastercard, American Express, and Discover.Ordering Information
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  • The 40-pin BrainStem mini-breakout board is an evaluation and development board for our family of 40-pin BrainStem modules. It allows easy access to the major functional I/O capabilities of 40-pin BrainStems to facilitate prototyping and development.

  • Manufactured By - Acroname Inc.
  • S58-STEM-DEV-3



This breakout board provides easy access to the capabilities of 40-pin BrainStems, and is perfect for those looking to get started with the BrainStem. This breakout board can be powered from USB, ensuring a portable and easy-to-use development platform for 40-pin BrainStems.

40-pin BrainStem modules are general purpose embedded microcontroller modules that provide a variety of I/O capabilities including UART, I2C, analog I/O, digital I/O and more. 40-pin BrainStems can be networked with other BrainStem modules across the I2C bus. For an overview of the BrainStem technology, check out our portfolio and getting started guide.


  • Powered from one USB-micro-B connector
  • Regulated 3.3V output
  • 15 general purpose digital ports*
  • 4 analog ports*
  • 1 BrainStem I2C (FM+) bus*
  • 1 User defined I2C (FM) bus*
  • 2 UART serial ports with LED traffic indicators*
  • Coin cell battery receptacle for realtime clock backup power
  • Push-button reset
  • Small footprint

* feature varies on the inserted 40-pin module