circuitpython-org/_board/waveshare_esp32_s3_zero.md
2025-04-14 01:42:54 +02:00

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layout board_id title name manufacturer board_url board_image date_added family bootloader_id downloads_display features
download waveshare_esp32_s3_zero Waveshare ESP32-S3-Zero Download Waveshare ESP32-S3-Zero Waveshare
https://www.waveshare.com/esp32-s3-zero.htm
waveshare_esp32_s3_zero.png 2023-10-21 esp32s3 waveshare_esp32_s3_zero true
Wi-Fi
USB-C
Breadboard-Friendly
Castellated Pads

Tiny, but mighty! This board with a powerful ESP32-S3 MCU measures in at 24.8mmx18mm (23.5mm for just the PCB, the USB-C connector sticks out a little bit). Despite it's small size it still exposes a wealth of GPIO connections - a whopping 34 in total. It does however have 'only' 4MB of Flash storage rather than the more typical 8MB found on most ESP32-S3 boards (and even 16MB on some).

  • ESP32-S3FH4R2 dual-core Xtensa® 32-bit LX7 processor - up to 240MHz
  • USB Type-C Port
  • ME6217C33M5G low dropout LDO, 800mA (Max)
  • WS2812 RGB LED
  • BOOT button Press it and then press the RESET button to enter download mode
  • RESET button
  • 34 GPIO contacts (18 available on breadboard friendly castelated edges, 16 on the bottom of the board through exposed pads)
  • 2.4G ceramic antenna
    • Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth® 5 (LE) although CircuitPython at the time of writing does not offer proper Bluetooth supports for ESP32-S3 chips, a NRF52840 based board will serve you better in that regard
  • Built in 512KB of SRAM and 384KB ROM, onboard 4MB Flash memory and 2MB PSRAM
  • Castellated module and onboard ceramic antenna, allows soldering direct to carrier boards
  • Supports flexible clock, module power supply independent setting, and other controls to realize low power consumption in different scenarios
  • Integrated with USB serial port full-speed controller, 34 × GPIO pins allows flexibly configuring pin functions
    • 4 × SPI, 2 × I2C, 3 × UART, 2 × I2S, 2 × ADC, etc.

Due to the limited flash memory available on this board it hasn't been 'build' with esp-camera support - if that's something you want to use you'll have to roll your own build and sacrifice some other feature to make space (like the at the moment non-functional bluetooth)

Learn more

For more information please see the Waveshare product page

ESP32-S3 Zero wiki: https://www.waveshare.com/wiki/ESP32-S3-Zero

also https://www.waveshare.net/wiki/ESP32-S3-Zero

Purchase

It's available for purchase from Waveshare directly although it can be found on certain online stores as well including amazon and aliexpress.