The SEEED Seeeduino XIAO is a minimal, low-cost board that uses the Atmel ATSAMD21G18, a 32-bit ARM Cortex-M0+ processor with 256KB flash and 32KB SRAM running at 48MHz. The board is 20 x 17.5mm, and uses a USB-C connector.
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This is the latest unstable release of CircuitPython that will work with the Seeeduino XIAO.
Unstable builds have the latest features but are more likely to have critical bugs.
Every time we commit new code to CircuitPython we automatically build binaries for it. They are stored on Amazon S3 by language (some which may be unreleased.) Try them if you want the absolute latest and are feeling risky.
All previous releases are available on GitHub. They are handy for testing but we recommend the latest stable otherwise.