ESP32-S3-WROOM-1
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 × 25.5 mm
16MB
Flash
16MB
PSRAM
41
GPIO pins
18×25.5mm
Size
Specifications
Datasheet ↗Module
FamilyWROOM
Embedded chipESP32-S3, ESP32-S3R2, ESP32-S3R8
GPIO pins41
AntennaPCB antenna
Dev boardESP32-DevKitC, ESP32-S3-DevKitC-1, ESP32-S3-BOX-3, ESP32-S3-BOX, ESP32-S3-EYE, ESP32-S3-Korvo-1, ESP32-S3-Korvo-2, ESP32-S3-LCD-EV-Board
Operating temp-40°C ~ 85°C
Dimensions18 × 25.5 × 3.1 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-1-N4 | 4 MB | - | Base |
| ESP32-S3-WROOM-1-N8 | 8 MB | - | |
| ESP32-S3-WROOM-1-N16 | 16 MB | - | |
| ESP32-S3-WROOM-1-H4 | 4 MB | - | High-temp |
| ESP32-S3-WROOM-1-N4R2 | 4 MB | 2 MB | |
| ESP32-S3-WROOM-1-N8R2 | 8 MB | 2 MB | |
| ESP32-S3-WROOM-1-N16R2 | 16 MB | 2 MB | |
| ESP32-S3-WROOM-1-N4R8 | 4 MB | 8 MB | |
| ESP32-S3-WROOM-1-N8R8 | 8 MB | 8 MB | |
| ESP32-S3-WROOM-1-N16R8 | 16 MB | 8 MB | |
| ESP32-S3-WROOM-1-N16R16VA | 16 MB | 16 MB | Top |
About the ESP32-S3-WROOM-1
ESP32-S3-WROOM-1 is a dual-core Wi-Fi + Bluetooth LE MCU module with neural network and signal processing acceleration, ideal for AIoT and smart device applications.
- Size: 18 x 25.5 x 3.1 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
- Integrated PCB antenna
- Perfect for AIoT, smart home, and industrial devices
The ESP32-S3-WROOM-1 module comes in various configurations to suit different application needs:
- N4: 4MB flash, no PSRAM - Basic variant for general applications.
- N8: 8MB flash, no PSRAM - Enhanced variant for applications requiring more flash storage.
- N16: 16MB flash, no PSRAM - Large flash size variant for data-intensive applications.
- H4: 4MB flash, no PSRAM - High temperature variant for extreme environments.
- N4R2: 4MB flash, 2MB PSRAM - Basic variant with added PSRAM for memory-intensive tasks.
- N8R2: 8MB flash, 2MB PSRAM - Enhanced variant with added PSRAM for better performance.
- N16R2: 16MB flash, 2MB PSRAM - Large flash size with PSRAM for high-performance applications.
- N4R8: 4MB flash, 8MB PSRAM - Basic variant with significant memory for demanding tasks.
- N8R8: 8MB flash, 8MB PSRAM - Enhanced variant with substantial memory for complex applications.
- N16R8: 16MB flash, 8MB PSRAM - Large flash size with ample memory for advanced applications.
- N16R16VA: 16MB flash, 16MB PSRAM - Top variant with maximum flash and memory for the most demanding applications.
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