ESP32-S2 Saola-1 is a small-sized ESP32-S2 based development board produced by Espressif. Just about all of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-S2 Saola-1 on a breadboard - we recommend two breadboards ‘side-by-side’ since the Saola is a bit wide and you won’t have extra holes on one side for wiring.
This particular Saola comes with a WROVER module, which has 2 MB (8 Mbit) PSRAM mounted for a roomy development environment!
The micro USB connector on the Saola is wired through a CP210x USB to serial converter chip for debugging and programming. The native USB is not available on a USB connector - instead you’ll want to pick up a Micro B USB connector breakout, Type C USB connector breakout or USB data cable and hand-wire D19/D20 to D+ and D- pads.
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This is the latest unstable release of CircuitPython that will work with the Saola 1 w/WROVER.
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 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.