How To Solve MacBook Not Recognizing Arduino Serial Port

How To Solve MacBook Not Recognizing Arduino Serial Port

How To Solve MacBook Not Recognizing Arduino Serial Port? Recently, I purchased a domestic Arduino basic learning kit, but encountered the issue of the MacBook not recognizing the Arduino serial port during usage. After extensive research, I have summarized the following experiences, hoping to help those who are similarly confused! Problem Analysis: Chip Determines Recognition … Read more

A Deep Dive into the ESP8266/ESP32 Automatic Download Circuit

A Deep Dive into the ESP8266/ESP32 Automatic Download Circuit

Background Recently, I needed to create an ESP32 board by myself. Considering cost and packaging, I planned to choose CH340E as the USB-to-serial chip. Generally, ESP8266/ESP32 boards have an automatic download circuit that allows users to enter download mode for firmware flashing without pressing a button. However, the automatic download circuit requires serial chip support … Read more