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Say Hello to the SparkFun Thing Plus – QuickLogic EOS S3

We took QuickLogic’s QuickFeather, updated the onboard sensor selection, ported it to the SparkFun Thing Plus form factor, and added SparkFun's Qwiic Connect System!

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For several years now, SparkFun has worked with Crowd Supply to find great products and connect with innovative creators. With the release of the Sparkfun Thing Plus - QuickLogic EOS S3, this collaboration went a step further by connecting SparkFun (known for rapid prototyping and open hardware) and QuickLogic (known for ultra-low-power FPGAs and SoCs for use in high-volume, power-sensitive applications) to jointly produce a small form factor, open source FPGA dev board with many unique applications.

Introducing the Sparkfun Thing Plus - QuickLogic EOS S3

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This board is a prototype - final boards will be SparkFun red

A quick list of what this board has to offer:

  • QuickLogic EOS S3 MCU + eFPGA SoC, which includes QuickLogic’s embedded FPGA (eFPGA) technology with 2,400 effective logic cells and 64 KB of RAM, along with an embedded Arm® Cortex®-M4F MCU running at up to 80 MHz and providing 512 KB of RAM
  • Out-of-the-box support for machine learning algorithms, including support for SensiML Analytics Toolkit and TensorFlow Lite
  • Low power consumption - the EOS S3 consumes very little power, making it suitable for remote and battery-powered applications
  • SparkFun's Qwiic Connector, which uses 4-pin JST connectors to quickly interface with an ecosystem of 150+ I2C-compatible boards, sensors, LCDs, shields and relays without soldering, to make prototyping faster and less prone to error (learn more about the Qwiic Ecosystem)
  • 100% open source hardware and software tools with support for FreeRTOS, Zephyr, nMigen, Docker and SymbiFlow
  • Possible Applications:

    This low-power consumption board is ideal for IoT, TinyML and traditional MCU applications. Additionally, the eFPGA opens up many use cases, such as hardware offloading, I/O expansion, and real-time I/O control.

    The QuickLogic and SparkFun teams are currently experimenting with many use cases, including air quality monitoring, voice processing and gesture recognition. Once the documentation comes together, we will be sure to share.


    Whether you are designing products/prototypes or creating an at-home project, the SparkFun Thing Plus – QuickLogic EOS S3 can support your IoT and machine learning needs. We would love to hear how you would use this board or use cases you would like us to create - leave a comment.


    If you would like to learn more about Using FPGAs, check out our FPGA Resource Page.


    Comments 1 comment

    • I'm presuming that this one will not be programmable via the USB connector. I'm noting in the pictures that (what appears to be) the "programming connector" is populated. Will this be the case on the production units?

      (FWIW, at the moment I already have too many things on my plate, but may get one to play with a bit once it hits the "store front".)

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