MicroPython

ESP32 | Basics 03 – How to Install Extension Libraries in Mixly | Making Programming Easier

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ESP32 | Basics 03 - How to Install Extension Libraries in Mixly | Making Programming Easier

01 Overview Mixly is an open-source graphical programming software designed to lower the barriers to hardware programming, making it especially suitable for maker education, IoT development, and beginners. Microblue has developed a set of extension libraries based on Mixly to make programming easier! Installing the Mixly extension library requires two steps (for flashing MicroPython firmware, … Read more

MicroPython Embedded Programming Tools

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MicroPython Embedded Programming Tools

MicroPython is one of the most popular topics in open-source hardware in recent years, invented by Professor Damien George from the University of Cambridge, and is essentially a version of the Python language used for embedded programming.One of the challenges in embedded programming is that programmers need to focus not only on the software but … Read more

Proteus 9: Key New Features and Improvements

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Proteus 9: Key New Features and Improvements

On March 5, 2025, Labcenter Electronics Ltd. officially announced the release of Proteus 9 on its Facebook page. Proteus has a unique advantage that sets it apart from other EDA software. It is renowned for its integrated schematic capture, simulation (including microcontroller simulation), and PCB layout approach. While other EDA tools also offer PCB layout … Read more

Method for Analyzing Backtrace Information of ESP32 Crash

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Method for Analyzing Backtrace Information of ESP32 Crash

Recently, after upgrading the ESP32 firmware to LVGL 9.2.2 + MicroPython 1.25, previously functioning code began to experience crashes and restarts. At this point, the following error message can be seen: A fatal error occurred. The crash dump printed below may be used to help determine what caused it. If you are not already running … Read more

ESP32S3-BOX3 Keyboard Example Based on LVGL

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ESP32S3-BOX3 Keyboard Example Based on LVGL

Previous articles introduced how to flash the <span>ESP32S3-BOX3</span> with <span>LVGL-Micropython</span> firmware, showcasing examples of a clock dial, tab view, button examples, and menu examples. This note will continue to share a keyboard example based on <span>LVGL-Micropython</span>. 1. Introduction to ESP32S3-BOX3 The ESP32-S3-BOX-3 is an open-source AIoT development kit equipped with the ESP32-S3 chip, featuring <span>16 … Read more

ESP32 MicroPython MQTT Development and Testing

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ESP32 MicroPython MQTT Development and Testing

1. Connecting ESP32 to the Network Before performing MQTT communication, the ESP32 needs to connect to a WiFi network. Below is the code to connect to WiFi: import network import time def connect_wifi(ssid, password): # Create WiFi client interface wlan = network.WLAN(network.STA_IF) wlan.active(True) # Check if already connected if not wlan.isconnected(): print('Connecting to network…') wlan.connect(ssid, … Read more

MicroPython: The Mini Power of Embedded Systems!

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MicroPython: The Mini Power of Embedded Systems!

▼ Click the card below to follow me ▲ Click the card above to follow me MicroPython is a lightweight Python interpreter designed specifically for embedded systems. Its emergence allows us to run Python code on microcontrollers, opening another window to the world of hardware. Imagine being able to control an LED, read sensor data, … Read more

TinyML on ESP32: Create Your Micro Machine Learning Tool in Just a Few Steps!

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TinyML on ESP32: Create Your Micro Machine Learning Tool in Just a Few Steps!

In recent years, artificial intelligence (AI) technology has developed rapidly; however, the high power consumption and cost associated with high-performance hardware have limited its application in edge devices. TinyML has emerged to bring the powerful capabilities of machine learning to resource-constrained microcontrollers, such as the ESP32. This article will take you deep into the tinyml-esp … Read more

Using the ESP32 MicroPython File System

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Using the ESP32 MicroPython File System

1. Overview of the File System The MicroPython on ESP32 uses the FAT file system by default, stored in internal flash memory or on an external SD card. The main operations include file reading and writing, directory management, and retrieving file information. 2. Common APIs <span>os.listdir()</span>: List directory contents <span>os.mkdir(path)</span>: Create a directory <span>os.rmdir(path)</span>: Remove … Read more

ESP32 MicroPython UART Testing

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ESP32 MicroPython UART Testing

1. Key Points of UART Hardware Resources and Configuration UART Resources of ESP32ESP32 supports 3 UART controllers (UART0, UART1, UART2), but actual availability is limited by pin conflicts: UART0: Default for REPL debugging (flashing and serial monitoring), using GPIO1 (TX), GPIO3 (RX) UART1: Some development boards connect to external Flash/SD cards (conflicts should be avoided), … Read more