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WT32-ETH01 ESP32 WiFi, Bluetooth & Ethernet Wireless MCU Module
WT32-ETH01 ESP32 WiFi, Bluetooth & Ethernet Wireless MCU Module
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WT32-ETH01 ESP32 WiFi, Bluetooth & Ethernet Wireless MCU Module
The WT32-ETH01 is an ESP32-based wireless MCU module combining WiFi (802.11 b/g/n), Bluetooth 4.2 (Classic + BLE), and 10/100Mbps Ethernet (LAN8720A PHY) on a single compact module. The addition of wired Ethernet to the ESP32’s wireless capabilities makes the WT32-ETH01 ideal for IoT gateway, industrial automation, and smart home applications requiring both wired and wireless network connectivity. Programmable via the Arduino IDE, ESP-IDF, and MicroPython using the standard ESP32 toolchain.
Technical Specifications
| Parameter | Value |
|---|---|
| MCU | ESP32-D0WD (dual-core Xtensa LX6, 240MHz) |
| Flash | 4MB SPI Flash |
| WiFi | 802.11 b/g/n, 2.4GHz, up to 150Mbps |
| Bluetooth | BT 4.2 Classic + BLE |
| Ethernet PHY | LAN8720A (10/100Mbps, RMII interface) |
| Ethernet Connector | RJ45 (on-board) |
| GPIO | Multiple GPIO, UART, SPI, I²C, ADC, DAC |
| Supply Voltage | 3.3V DC (onboard 3.3V regulator for 5V input) |
| Operating Temperature | −40°C to +85°C |
| Module Size | ~55 × 20mm |
| Programming | Arduino IDE, ESP-IDF, MicroPython |
| Certification | CE, FCC, RoHS |
WT32-ETH01 vs Standard ESP32 DevKit
| Feature | WT32-ETH01 | ESP32 DevKit |
|---|---|---|
| WiFi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Ethernet | Yes (10/100M, RJ45) | No |
| Network Reliability | High (wired Ethernet) | WiFi only |
| Industrial Suitability | High | Medium |
Typical Applications
- IoT Gateway: Wired Ethernet + WiFi/BT gateway for IoT sensor networks, connecting local BLE/WiFi sensors to the internet via Ethernet
- Smart Home Hub: Home automation controller with wired Ethernet for reliable network connectivity in Home Assistant, OpenHAB, and MQTT broker applications
- Industrial Automation: Ethernet-connected ESP32 controller for industrial sensor monitoring, PLC data acquisition, and Modbus TCP/IP communication
- Network-Attached Device: Embedded web server, OTA update server, and network-attached sensor node with wired Ethernet connectivity
- VoIP / Audio Streaming: Low-latency audio streaming and VoIP applications requiring wired Ethernet for reliable network performance
FAQ
Q: How do I program the WT32-ETH01?
A: Connect a USB-to-UART adapter (CP2102, CH340, or FT232RL) to the TX, RX, GND, and EN pins. Use the Arduino IDE with the ESP32 board package installed, or ESP-IDF for advanced development. Hold the BOOT button during power-on to enter download mode.
Q: Can I use both WiFi and Ethernet simultaneously?
A: Yes. The WT32-ETH01 supports simultaneous WiFi and Ethernet operation, allowing it to bridge between WiFi and Ethernet networks or maintain dual network connections.
Package Contents
- 1 × WT32-ETH01 ESP32 WiFi + Bluetooth + Ethernet module
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