The WT32-ETH01 is a feature-rich ESP32 Ethernet module designed for reliable wired and wireless networking in IoT and industrial control applications. It integrates an ESP32 SoC with an onboard LAN8720 Ethernet PHY, allowing stable 10 100 Mbps Ethernet connectivity alongside WiFi and Bluetooth. How It Is Used Out of the box, the module can be used as a serial-to-network device using AT commands. Communication is done through the TXD and RXD serial pins at a default baud rate of 115200, making it easy to interface with any 3.3V microcontroller. Typical use cases include Ethernet to serial gateways, network-enabled controllers, and protocol bridges. For advanced users, the required ESP32 programming pins are available on the headers, allowing custom firmware development using Arduino IDE, ESP-IDF, PlatformIO, or ESPHome for Home Assistant. Networking Capabilities Supports four working modes including TCP Server, TCP Client, UDP Server, and UDP Client Data can be transmitted between serial, Ethernet, WiFi, and Bluetooth interfaces in multiple transparent transmission modes Supports connection to the Internet or local networks via Ethernet or WiFi routers Complete TCP IP protocol stack built in Typical Applications Industrial IoT gateways Home automation controllers Ethernet to serial converters Remote monitoring and data logging Environmental sensing and equipment control such as heating and ventilation Key Specifications ESP32 dual-core processor with integrated WiFi and Bluetooth Ethernet PHY LAN8720 with RJ45 connector WiFi IEEE 802.11 b g n with data rates up to 150 Mbps Bluetooth v4.2 BR EDR and BLE support Frequency range 2.4 to 2.5 GHz Receiver sensitivity down to -97 dBm On-board flash memory 32 Mbit Serial baud rate range 80 to 5000000 Operating voltage 5V or 3.3V Average operating current around 80 mA Recommended power supply capability at least 500 mA Operating temperature range from -40°C to +85°C Security and Reliability Supports WPA WPA2 WPA2 Enterprise and WPS Hardware acceleration for AES RSA ECC and SHA encryption Remote firmware updates via network OTA Certified for FCC CE and RoHS compliance Development and Documentation The WT32-ETH01 supports secondary development using official ESP32 SDKs. Datasheets, AT command references, example code, and community firmware can be found online. Searching for WT32-ETH01 Arduino or WT32-ETH01 GitHub will provide many ready-to-use examples. Related Products If you are looking for an SPI-based Ethernet solution instead, see the Ethernet W5500 Wiznet Network Module. Category View more development boards and accessories in the ESP32 category. Resources Detailed Guide to ESP32: Exploring Popular Models, Features, and Applications Installing and Configuring Arduino IDE for ESP32 Arduino, ESP32, & Raspberry Pi Pinout Reference for I2C, SPI, and UART
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