ARM Cortex-M0+, 64MB Filesystem Flash, I2C, UART, A/D Input, Digital I/O, High Accuracy Battery-Backed Real Time Clock, Lithium Ion Polymer Battery Charger
Based on ATSAMD21G18A MCU
Can run standalone or piggy back on an application-specific board solution.
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Every time we commit new code to CircuitPython we automatically build binaries for each board and language. The binaries are stored on Amazon S3, organized by board, and then by language. Try them if you want the absolute latest and are feeling daring or want to see if a problem has been fixed.
All previous releases are listed on GitHub, with release notes, and are available for download from Amazon S3. They are handy for testing, but otherwise we recommend using the latest stable release. Some older GitHub release pages include the same binaries for downloading. But we have discontinued including binaries as assets on newer release pages because of the large number of files for each release.