ESP32-S3-WROOM-1
Generic Wi-Fi + BLE MCU module on a PCB antenna, based on ESP32-S3.
Variants
| Variant | Summary | Fixed source |
|---|---|---|
| N8 | 8 MB SPI flash, no PSRAM | docs/en/esp32-s3-devkitc-1/ordering-info.inc |
| N8R2 | 8 MB SPI flash, 2 MB PSRAM | docs/en/esp32-s3-devkitc-1/ordering-info.inc |
| N8R8 | 8 MB quad SPI flash, 8 MB octal SPI PSRAM (interface types per the v1.0 guide ordering table) | docs/en/esp32-s3-devkitc-1/user_guide_v1.0.rst#ordering-information |
| N16R8 | 16 MB SPI flash, 8 MB PSRAM | docs/en/esp32-s3-devkitc-1/ordering-info.inc |
Published fields
| Field | Value | Applies to | Status | Fixed source | Notes |
|---|---|---|---|---|---|
gpio.occupied_by_internal_storage | 35, 36, 37 | Condition: variants with Octal SPI flash or PSRAM (not all WROOM-1 variants) | verified · cc40 · 2026-11-08 | docs/en/esp32-s3-devkitc-1/user_guide_v1.1.rst#description-of-components | Official guide note: for boards with Octal SPI flash/PSRAM embedded ESP32-S3-WROOM-1/1U modules, GPIO35-37 are used for internal communication between ESP32-S3 and SPI flash/PSRAM and are not available for external use. The restriction is NOT valid for all WROOM-1 configurations; variant-level storage interface types are not listed for every ordering code in the guide. |