W55MH32 MicroPython documentation

Welcome! This is WIZnet’s W55MH32 documentation for MicroPython.

This is a specific MicroPython site for W55MH32 chipset. Here you can read the general documentation which applies to products based on W55MH32 chip.

MicroPython supporting boards:

W55MH32L-EVB:

Purchase link: W55MH32L-EVB

Download Hex file: W55MH32L-EVB hex

MicroPython firmware version: V 1.27.0

Release date: 2026/03/26

Release note: Minor bug fixed and added I2S

How to install micropython firmware for W55MH32L-EVB?

  1. Connect DAPLINK USB port with your PC

  2. Windows will pop-up a new disc called WIZLINK

  3. Drag and drop the hex file to the WIZLINK window

W55MH32L-EVB W55MH32 pinout

WIZnet Tools:

Serial Debugging Tool:

Download: WIZnet Serial Debugging Tool

Socket Tester:

Download: WIZnet Socket Tester

Note

These tools are developed by WIZnet to help with debugging and testing.

Other information: