- ESP32-D0WD-V3
- Basic variant
- 8MB flash
- 8MB PSRAM
- Large flash size variant
- 16MB flash
- 8MB PSRAM
- ESP32-DU1906-N8R8: This is the basic variant with 8MB of flash memory and 8MB of PSRAM, suitable for most applications.
- ESP32-DU1906-N16R8: This variant features 16MB of flash memory and 8MB of PSRAM, designed for enhanced performance, making it ideal for applications requiring more memory.
- AIoT voice module with Baidu HongHu chip
- 2.4 GHz Wi-Fi and Bluetooth Classic/LE
- Up to 8MB PSRAM
- Wide operating temperature range: -40°C ~ 85°C
- Size: 22 x 42 x 3.5 mm
- High-quality speech wake-up and interaction
ESP32-DU1906
End of Life: This module is discontinued and not supported for new designs.
ESP32-DU1906 is an AIoT voice module powered by ESP32-D0WD-V3 and Baidu's HongHu voice chip DU1906, integrating Wi-Fi, classic Bluetooth, Bluetooth LE, and voice processing circuits for high-quality speech wake-up and interaction.
Embedded Chip(s):
ESP32-DU1906 Module Variants
ESP32-DU1906-N8R8
Base Flash: 8 MB PSRAM: 8 MB
ESP32-DU1906-N16R8
Top Flash: 16 MB PSRAM: 8 MB
The ESP32-DU1906 module comes in two variants:
Both variants are designed for high-quality speech wake-up and interaction, making them suitable for AIoT voice applications.
Note: Variants may have different features, flash sizes, and PSRAM configurations. Check the individual module pages for detailed specifications.
About ESP32-DU1906
ESP32-DU1906 is an AIoT voice module powered by ESP32-D0WD-V3 and Baidu's HongHu voice chip DU1906, integrating Wi-Fi, Bluetooth, and voice processing for high-quality speech interaction.
ESP32-DU1906 Technical Specifications
🛰️ Connectivity
Antenna PCB antenna
WiFi 802.11 b/g/n (2.4 GHz)
BLE 4.2
Microcontroller
GPIO Count 66
Flash Size 8 / 16 MB
PSRAM Size 8 MB
Operating Temperature -40°C ~ 85°C
ESP32-DU1906 Dimensions
Width 22 mm
Length 42 mm
Height 3.5 mm