Overview
The ESP32-ETH01 V1.4 (also known as WT32-ETH01) is an embedded serial-to-Ethernet module developed by Wireless-Tag Technology Co. Limited. It’s a compact development board that combines ESP32 wireless capabilities with wired Ethernet connectivity, making it unique in the ESP32 ecosystem.
Werner Rothschopf Technical Guide
Key Technical Specifications
Core Processor & Memory
- MCU: ESP32-D0WD-V3 (WT32-S1 module)
- Architecture: Dual-core Tensilica LX6, 32-bit
- Clock Speed: 80-240 MHz (up to 240 MHz)
- Flash Memory: 32Mbit (4MB) onboard flash
- RAM: 520 KB SRAM
- No PSRAM: This model doesn’t include PSRAM
Wireless Connectivity
- Wi-Fi: IEEE 802.11 b/g/n (2.4 GHz)
- Up to 150 Mbps (802.11n)
- Frequency Range: 2.4-2.5 GHz
- Modes: Station/SoftAP/SoftAP+Station/P2P
- Bluetooth: v4.2 BR/EDR and BLE standards
- Security: WPA/WPA2/WPA2-Enterprise/WPS
- Encryption: AES/RSA/ECC/SHA
Ethernet Connectivity
- Ethernet PHY: LAN8720A controller
- Port: RJ45 connector
- Speed: 10/100 Mbps
- Features: Cross-direct connection adaptive
- Indicators: Green (connection status), Yellow (data transmission)
Power Specifications
- Supply Voltage:
- 3.3V or 5V input (binary choice – NOT both simultaneously)
- Note: 5V input limited to ~6V max due to voltage regulator limitations
- Operating Current:
- Average: 80mA
- Minimum supply current: 500mA
- Voltage Regulator: AMS1117-3.3 (or clone)
- Operating Temperature: -40°C to +85°C
Physical Dimensions
Board Width: Generic width for direct PCB mounting
Board Size: 60mm × 26mm × 17mm
Weight: 15.4g
Mounting: Half-pad or through-hole connector compatible
Official Datasheet. Click Here!
Step by Step Upload Code to WT32 ETH01 from Arduino IDE by @YaserAliHusen
