SparkFun Qwiic Micro - SAMD21 Development Board
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Looking for a super small microcontroller to use with the [Qwiic eco-system](https://www.sparkfun.com/qwiic)? The SparkFun Qwiic Micro is molded to fit our standard 1\"x1\" Qwiic standard size which makes it one of our smallest micro-controller offerings to date. At it\'s core is the powerful and versatile ATSAMD21E18, which is an ARM Cortex M0+, 32-bit microcontroller, with 256KB of flash memory that can run at up to 48MHz! It has 12 digital pins which include 5 analog pins, SPI, I²C, and an additional UART data bus as well as a Qwiic connector for easy integration into the Qwiic ecosystem and I²C prototyping.
On the underside of the Qwiic Micro, we\'ve left open pads for a LiPo Battery connector that you can add yourself, if you wish you can make the micro-controller portable. We\'ve also provided pads on the underside for a flash memory chip to maximize the board\'s memory capacity. The SparkFun Qwiic Micro comes programmed with a [UF2 Bootloader](https://github.com/microsoft/uf2-samdx1) making it easy to program with easy driver installation! If you need a tiny but mighty micro-controller for your next project check out the SparkFun Qwiic Micro.
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*The SparkFun Qwiic Connect System is an ecosystem of I2C sensors, actuators, shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can't hook it up wrong.*
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