FreakStudio

Build wired‑Ethernet XiaoZhi AI chatbot on W55MH32 using MicroPython, covering hardware wiring, software deployment and web‑side configuration.

Run filesystem on AT24C256 EEPROM under MicroPython, treat EEPROM just like SD card for file operations.

SD‑card hardware, protocol, driver and filesystem mounting.

Practical tutorial for MicroPython custom block‑device and FAT filesystem

Hands‑on tutorial to implement uLogLite lightweight logger for MicroPython, covering log level, log rotation, filter, formatter, thread‑safety and exception

Practical MicroPython file read‑write demo for Pico on‑chip temperature logging

Full analysis of MicroPython file‑system‑related software interfaces including os module, vfs virtual file‑system module and vfs.AbstractBlockDev abstract block

Beginner‑friendly complete guide covering MicroPython memory layout, Flash/SRAM partitions, VFS, block‑devices, FAT and LittleFS underlying working principles

In‑depth introduction to RP2040 underlying memory architecture including ROM, multi‑bank SRAM, XIP external Flash and address‑mapping mechanism

Essential embedded knowledge covering MCU main‑memory, external‑memory and address‑space system

RP2040 scatter‑gather data aggregation implementation based on MicroPython DMA hardware chained‑trigger mechanism

RP2040 DMA ping‑pong buffer solves MicroPython ADC main‑loop slowdown

RP2040 DMA principle, implementation and testing for zero‑CPU‑intervention UART transmission under MicroPython

RP2040 MicroPython DMA memory‑to‑memory transfer, code and benchmark

rp2.DMA software‑control introduction, API explanation and typical configuration pitfalls summary

RP2040 DMA low‑level analysis covering registers, triggers, chaining and practical points

DMA core knowledge covering operating workflow, transfer modes and typical embedded application scenarios

AD9833‑MCP41010 amplitude‑adjustable DDS implementation in MicroPython

Advanced usage of DS3502 fast‑write mode and waveform generation techniques in MicroPython embedded projects

MCP4725 waveform generator MicroPython timer‑driven implementation and debugging process

End‑to‑end MCP4725 signal‑generator project workflow

MCP41010 principle SPI driver practical cases

DS3502 solves mechanical potentiometer drawbacks

AD9833 DDS driver & SPI analysis