WT32-ETH01 Ethernet Module

Development Board

Code name: WT32_ETH01

ESP32

WT32-ETH01 Ethernet Module is a development board based on the ESP32 microcontroller using XTENSA architecture.

This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.

About WT32-ETH01 Ethernet Module

ESP32-based Ethernet module with LAN port - ideal for wired IoT applications and secure local networks.

Technical Specifications

Complete technical specification details for WT32-ETH01 Ethernet Module

Connectivity

WiFi 802.11 b/g/n (2.4 GHz)

Bluetooth 4.2

BLE 4.2

Microcontroller

Model esp32

Clock Speed 240 MHz

Flash Size 4MB

Architecture xtensa

✨ Features & Pins

Digital IO 40

Analog Input 16

PWM 14

Interrupts 16

Download Full Datasheet

Quick Setup

Copy-paste configs for WT32-ETH01 Ethernet Module - auto‑generated from this board's exact hardware specs.

ESP32 240 MHz 4MB DIO Xtensa

In Arduino IDE 2 select Wt32 Eth01 from the esp32 by Espressif package. In PlatformIO use board = esp32dev. ESP32 · 240 MHz · 4MB · DIO.

Tools menu settings

Board (select in Arduino IDE) Wt32 Eth01

CPU Frequency 240 MHz

Flash Size 4MB

Flash Mode DIO

Upload Speed 921600

Architecture Xtensa

In Arduino IDE 2, open Boards Manager, search "esp32" by Espressif and install it. Then go to Tools → Board and select "Wt32 Eth01" for the WT32-ETH01 Ethernet Module.

platformio.ini


[env:wt32-eth01]
platform  = espressif32
board     = esp32dev
framework = arduino

; Exact hardware config for WT32-ETH01 Ethernet Module
board_build.mcu        = esp32
board_build.f_cpu      = 240000000L
board_build.flash_size = 4MB
board_build.flash_mode = dio
board_upload.flash_size = 4MB

The board value is a close generic match - check PlatformIO board registry for an exact fit.

esp32: block (YAML)


esp32:
  board: esp32dev
  framework:
    type: arduino   # or "esp-idf"

# WT32-ETH01 Ethernet Module - 240 MHz ESP32
# Flash: 4MB | USB: N/A

Paste into your device's .yaml. See ESPHome ESP32 docs for full options.

esptool.py - flash command


esptool.py \
  --chip esp32 \
  --baud 921600 \
  write_flash \
    --flash_mode dio \
    --flash_size 4MB \
    0x1000 bootloader.bin \
    0x8000    partitions.bin \
    0xe000    boot_app0.bin \
    0x10000   firmware.bin

Install: pip install esptool - replace firmware.bin with your binary - bootloader at 0x1000

WT32-ETH01 Ethernet Module Pinout Diagram

Complete pin reference for WT32-ETH01 Ethernet Module

Useful Links

Datasheets and resources for WT32-ETH01 Ethernet Module

Board Datasheet

Technical specifications

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for WT32-ETH01 Ethernet Module

Digital I/O Pins

Interrupt Pins

Analog Inputs

PWM Pins

Pin	PWM	Other
0		IO0
1	PWM	ETH_PHY_ADDR IO1 TX
2	PWM	IO2
3	PWM	IO3 RX
4	PWM	IO4
5	PWM	IO5
12	PWM	IO12 SCK
14	PWM	IO14 MOSI
15	PWM	IO15 MISO
16	PWM	ETH_PHY_POWER
17	PWM	IO17
18	PWM	ETH_PHY_MDIO
23	PWM	ETH_PHY_MDC
32	PWM	IO32 SCL
33	PWM	IO33 SDA
35		IO35
36		IO36
39		IO39
1,		TXD0
3,		RXD0
17,		TXD2
5,		RXD2
-1		SS

Legend

A0 Analog input

T0 Touch sensor

PWM PWM capable

RX/TX Serial pins

LED Built-in LED

# Pin number

Default Tools & Configuration

Build and upload settings for WT32-ETH01 Ethernet Module

Setting	Value
Bootloader tool	esptool_py
Uploader tool	esptool_py
Network uploader tool	esp_ota
Bootloader address	`0x1000`
Flash mode	dio
Boot mode	dio
Maximum upload size	8192 KB (8388608 bytes)
Maximum data size	320 KB (327680 bytes)