ESP32-S3-WROOM-1U
Dual-core Wi-Fi + Bluetooth LE MCU with neural network and signal processing acceleration, ideal for AIoT applications such as wake word detection, face recognition, and smart devices.
18 × 19.2 mm
16MB
Flash
16MB
PSRAM
41
GPIO pins
18×19.2mm
Size
Specifications
Datasheet ↗Module
FamilyWROOM
Embedded chipESP32-S3, ESP32-S3R2, ESP32-S3R8
GPIO pins41
AntennaIPEX antenna connector
Dev boardESP32-S3-DevKitC-1
Operating temp-40°C ~ 85°C
Dimensions18 × 19.2 × 3.2 mm
Memory
Flash4 / 8 / 16 MB
PSRAMUp to 16 MB
Connectivity
Wi-Fi802.11 b/g/n (2.4 GHz)
Bluetooth5.0
BLE5.0
Module variants
11 variantsBase lowest-cost config Top highest spec High-temp extended temperature range
| Variant | Flash | PSRAM | Tags |
|---|---|---|---|
| ESP32-S3-WROOM-1U-N4 | 4 MB | - | Base |
| ESP32-S3-WROOM-1U-N8 | 8 MB | - | |
| ESP32-S3-WROOM-1U-N16 | 16 MB | - | |
| ESP32-S3-WROOM-1U-H4 | 4 MB | - | High-temp |
| ESP32-S3-WROOM-1U-N4R2 | 4 MB | 2 MB | |
| ESP32-S3-WROOM-1U-N8R2 | 8 MB | 2 MB | |
| ESP32-S3-WROOM-1U-N16R2 | 16 MB | 2 MB | |
| ESP32-S3-WROOM-1U-N4R8 | 4 MB | 8 MB | |
| ESP32-S3-WROOM-1U-N8R8 | 8 MB | 8 MB | |
| ESP32-S3-WROOM-1U-N16R8 | 16 MB | 8 MB | |
| ESP32-S3-WROOM-1U-N16R16VA | 16 MB | 16 MB | Top |
About the ESP32-S3-WROOM-1U
ESP32-S3-WROOM-1U is a dual-core Wi-Fi + Bluetooth LE MCU module with neural network and signal processing acceleration, featuring an IPEX antenna connector for advanced AIoT and smart device applications.
- Size: 18 x 19.2 x 3.2 mm
- Wi-Fi (2.4 GHz), Bluetooth LE
- Neural network and signal processing acceleration
- Multiple flash and PSRAM options
- Wide operating temperature range: -40°C ~ 85°C
- IPEX antenna connector for external antennas
- Perfect for AIoT, smart home, and industrial devices
The ESP32-S3-WROOM-1U has several variants to suit different application needs:
- ESP32-S3-WROOM-1U-N4: Basic variant with 4MB flash.
- ESP32-S3-WROOM-1U-N8: Enhanced variant with 8MB flash.
- ESP32-S3-WROOM-1U-N16: Large flash size variant with 16MB flash.
- ESP32-S3-WROOM-1U-H4: High temperature variant with 4MB flash.
- ESP32-S3-WROOM-1U-N4R2: Basic variant with 4MB flash and 2MB PSRAM.
- ESP32-S3-WROOM-1U-N8R2: Enhanced variant with 8MB flash and 2MB PSRAM.
- ESP32-S3-WROOM-1U-N16R2: Large flash size variant with 16MB flash and 2MB PSRAM.
- ESP32-S3-WROOM-1U-N4R8: Basic variant with 4MB flash and 8MB PSRAM.
- ESP32-S3-WROOM-1U-N8R8: Enhanced variant with 8MB flash and 8MB PSRAM.
- ESP32-S3-WROOM-1U-N16R8: Large flash size variant with 16MB flash and 8MB PSRAM.
- ESP32-S3-WROOM-1U-N16R16VA: Large flash size variant with 16MB flash and 16MB PSRAM.
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