⭐️ResourcesPlease feel free to use at the end of the article⭐️ 1.First, ensure that the “CH340driver is correctly installed on your computer, and confirm that you have aCH340 downloader. 2.Once you have the CH340 downloader and the driver is correctly installed, you can proceed to download the program. First, double-click to open the “stc-isp.exe software. … Read more
JDY-31 Bluetooth Module Testing –– 1. Introduction JDY-31 Bluetooth is designed based on Bluetooth 3.0 SPP, allowing support for Windows, Linux, and Android data transmission. It operates in the 2.4GHz frequency band, uses GFSK modulation, has a maximum transmission power of 8dB, and a maximum transmission distance of 30 meters. Users can modify the device … Read more
1. Experimental Task Task: Based on the STEP-MAX10M08 core board and STEP BaseBoard V4.0 baseboard, complete the design of a serial port monitoring system and observe the debugging results. Requirements: Design a serial port monitoring system to monitor the serial port (UART) receiving data in real-time and display the data on the baseboard’s 8-digit digital … Read more
Serial ports (UART) are a very commonly used interface in embedded systems, but most modern computers lack hardware serial ports. Generally, serial ports are expanded through methods like USB to serial or PCIe bus expansion. USB to serial is a very common solution. Common USB to serial chips include CH340/341, CP2102, and PL2302. However, these … Read more
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
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