ESP32-S2 Saola 1R Dev Kit featuring ESP32-S2 WROVER

EspressifSKU: ADA4693
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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 (16 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.

We do have CircuitPython support for this board, but as mentioned above, you will have to wire up the USB connectivity to access the CircuitPython disk drive and serial port.

Espressif ESP32-S2 supports ESP-IDF master or version v4.2 and higher. You’ll find information to get started with ESP32-S2-Saola-1 board and hardware documentation (e.g. schematics) in Espressif’s Documentation website.

Technical Details

Espressif’s Documentation website

Specifications:

  • ESP32-S2-WROVER modules with 4 MB Flash and 2 MB PSRAM
  • USB – 1x Micro USB port for power and programming / debugging via USB-to-UART bridge
  • Expansion – 2x 20-pin I/O headers with SPI, I2S, UART, I2C, touch sensors, PWM, etc…
  • Misc – Boot and reset buttons, NeoPixel-compatible RGB LED, 3.3V power on LED
  • Power Supply (3 methods)
    • 5V via Micro USB port (default)
    • 5V and GND header pins
    • 3V3 and GND header pins

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