ESP32-DU1906-U

eol esp32 DU1906

End of Life: This module is discontinued and not supported for new designs.

ESP32-DU1906-U 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-D0WD-V3

Variants Tech Specs Datasheet Dimensions

ESP32-DU1906-U Module Variants

ESP32-DU1906-U-N8R8

Base Flash: 8 MB PSRAM: 8 MB

Basic variant
8MB flash
8MB PSRAM

ESP32-DU1906-U-N16R8

Top Flash: 16 MB PSRAM: 8 MB

Enhanced flash variant
16MB flash
8MB PSRAM

The ESP32-DU1906-U module comes in two variants:

ESP32-DU1906-U-N8R8: This is the basic variant with 8MB of flash memory and 8MB of PSRAM, suitable for most applications.
ESP32-DU1906-U-N16R8: This variant features 16MB of flash memory and 8MB of PSRAM, designed for enhanced performance, making it ideal for applications requiring more memory.

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.

ESP32-DU1906-U Technical Specifications

🛰️ Connectivity

Antenna IPEX antenna connector

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

View Full Datasheet

ESP32-DU1906-U Dimensions

Width 22 mm

Length 35.5 mm

Height 3.5 mm