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CircuitBrains Deluxe

 ·  ☕ 2 min read  ·  ✍️ Kevin Neubauer

CircuitBrains Deluxe Top Diagonal View

Summary:

CircuitPython on an ARM Cortex M4 in almost 1 square inch! This “Just Add Solder” castellated module is perfect for incorporating into your own project. The CircuitBrains Deluxe board footprint is small enough to fit into narrow spaces and wearable projects. Rolling your own microcontroller board is time consuming. You have to make sure your design has proper power, decoupling, flash storage, and clock. Then you source all of the parts. After that you lay out the PCB and have it fabricated. When the PCB and parts arrive, you have to deal with finicky small-pitch surface mount assembly. Finally, you need to download the sources for the UF2 bootloader and CircuitPython and define your board, compile, and flash. CircuitBrains Deluxe aims to save makers and hackers some time & frustration. Using it in your project is as simple as importing the footprint libraries, adding those libraries to your schematic and layout (along with your USB port of choice), and soldering it on once your board arrives.

Project Status:

Version 1.3 tested good for CircuitPython. To purchase, see links in the Order section below.

Goals:

  • Reduce barriers to entry for custom CircuitPython-based boards & badges
  • Package CircuitPython into a small form-factor module that will add minimal dimensions to a parent project

Specs:

  • Dimensions: 29 x 29 x 3.5 millimeters / 1.15 x 1.15 x 0.15 inches
  • Atmel ATSAMD51J19A Microcontroller (32-bit ARM Cortex M4)
  • 120 MHz
  • 192 KB SRAM
  • 512 KB Flash
  • 8 MB SPI Flash
  • Onboard 3.3V LDO Regulator
  • Power and Status LEDs
  • Breakouts for SPI and I2C
  • Breakouts for 13 Analog and 19 Digital Inputs/Outputs

Order:

You can order CircuitBrains Deluxe from the following storefronts:

https://github.com/neubauek/CircuitBrains

Additional Photos:

CircuitBrains Deluxe Top View
CircuitBrains Deluxe Bottom View
CircuitBrains Deluxe Pinout

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Kevin Neubauer
WRITTEN BY
Kevin Neubauer
Security Engineer (Hacker)