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SparkFun MicroMod mikroBUS Starter Kit

The SparkFun MicroMod mikroBUS™ Starter Kit is designed to give you just what you need to start using the MicroMod and Click ecosystems side-by-side. The core of this kit is designed around the SparkFun MicroMod mikroBUS™ Carrier Board and the SparkFun MicroMod STM32 Processor but you will also receive a MIKROE Terminal Click, MIKROE Weather Click, SparkFun Serial Basic Breakout, USB A to C cable, Jumper wires, and a MicroMod screwdriver!

The SparkFun MicroMod mikroBUS Carrier Board takes advantage of the MicroMod, Qwiic, and mikroBUS™ ecosystems making it easy to rapidly prototype with each of them, combined. The MicroMod M.2 socket and mikroBUS 8-pin header provide users the freedom to experiment with any Processor Board in the MicroMod ecosystem and any Click board in the mikroBUS ecosystem, respectively. This board also features two Qwiic connectors to seamlessly integrate hundreds of Qwiic sensors and accessories into your project.

The SparkFun MicroMod STM32 Processor Board is ready to rock your MicroMod world with its ARM® Cortex®-M4 32-bit RISC core! This little Processor Board provides you with an economical and easy to use development platform if you're needing more power with minimal working space. With the M.2 MicroMod connector, connecting your STM32 Processor is a breeze. Simply match up the key on your processor's beveled edge connector to the key on the M.2 connector and secure it with a screw (included with all Carrier Boards). The STM32 is one of the most powerful and economical microcontrollers available so to be able to add it to your MicroMod Carrier Board is a huge advantage for your project!


MicroMod is a modular interface ecosystem that connects a microcontroller “processor board” to various “carrier board” peripherals. Utilizing the M.2 standard, the MicroMod standard is designed to easily swap out processors on the fly. Pair a specialized carrier board for the project you need with your choice of compatible processor!


MicroMod mikroBUS™ Carrier Board

  • M.2 MicroMod (Processor Board) Connector
  • USB-C Connector
  • 3.3V 1A Voltage Regulator
  • Qwiic Connectors (x2)
  • mikroBUS Socket
  • Boot/Reset Buttons
  • Charge Circuit
  • JTAG/SWD PTH Pins

STM32 General Features:

  • ARM® 32-bit Cortex®-M4 CPU with FPU
    • Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory
    • Frequency up to 168 MHz
    • Memory protection unit
    • 210 DMIPS/ 1.25 DMIPS/MHz (Dhrystone 2.1)
    • DSP instructions
  • 1 MB of Flash memory
  • 192 Kbytes of SRAM including 64 Kbytes of CCM (core coupled memory) data RAM
  • Flexible static memory controller supporting Compact Flash, SRAM, PSRAM, NOR and NAND memories
  • Clock, reset and supply management
    • 1.8 V to 3.6 V application supply and I/Os
    • 32 kHz oscillator for RTC with calibration
    • Internal 32 kHz RC with calibration
  • Low-power operation
    • Sleep, Stop and Standby modes
  • Debug mode
    • Serial wire debug (SWD) & JTAG interfaces
    • Cortex-M4 Embedded Trace Macrocell™
  • Advanced connectivity
    • USB 2.0 full-speed device/host/OTG controller with on-chip PHY
    • USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and ULPI
    • 10/100 Ethernet MAC with dedicated DMA: supports IEEE 1588v2 hardware, MII/RMII

Specific Peripherals available on MicroMod STM32:

  • UART
  • Two I2C Buses
  • SPI Bus
  • PDM Audio Processing
  • Two Dedicated Analog Inputs, 15 total analog input capable inputs

SparkFun MicroMod mikroBUS Starter Kit Product Help and Resources

MicroMod mikroBUS™ Carrier Board Hookup Guide

March 4, 2022

This carrier board takes advantage of the MicroMod, Qwiic, and the mikroBUS™ ecosystems and allows users to take advantage of the growing number of 7 MicroMod processor boards, 83 Qwiic (add-on) boards, and +1100 drop-in Click boards™, which equates to +51M different board combinations. Click to learn more.

MicroMod STM32 Processor Hookup Guide

May 13, 2021

Get started with the MicroMod Ecosystem and the STM32 Processor Board!

Designing with MicroMod

October 21, 2020

This tutorial will walk you through the specs of the MicroMod processor and carrier board as well as the basics of incorporating the MicroMod form factor into your own PCB designs!

Getting Started with MicroMod

October 21, 2020

Dive into the world of MicroMod - a compact interface to connect a microcontroller to various peripherals via the M.2 Connector!

Core Skill: DIY

Whether it's for assembling a kit, hacking an enclosure, or creating your own parts; the DIY skill is all about knowing how to use tools and the techniques associated with them.

1 DIY

Skill Level: Noob - Basic assembly is required. You may need to provide your own basic tools like a screwdriver, hammer or scissors. Power tools or custom parts are not required. Instructions will be included and easy to follow. Sewing may be required, but only with included patterns.
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Core Skill: Programming

If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.

3 Programming

Skill Level: Competent - The toolchain for programming is a bit more complex and will examples may not be explicitly provided for you. You will be required to have a fundamental knowledge of programming and be required to provide your own code. You may need to modify existing libraries or code to work with your specific hardware. Sensor and hardware interfaces will be SPI or I2C.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

3 Electrical Prototyping

Skill Level: Competent - You will be required to reference a datasheet or schematic to know how to use a component. Your knowledge of a datasheet will only require basic features like power requirements, pinouts, or communications type. Also, you may need a power supply that?s greater than 12V or more than 1A worth of current.
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