Author: DuHao Today, I would like to introduce the USB & I2S digital audio application solution based on the Renesas RA8D1 MCU developed by Shanghai Juexin Intelligent Technology Co., Ltd. The RA8D1 MCU series is the industry’s first 32-bit graphics microcontroller (MCU) based on the Arm®Cortex®-M85 (CM85) core, achieving groundbreaking performance with over 3000 CoreMark … Read more
Recently, a reader asked a question: What communication technologies should one master when working with microcontrollers?With the development of technology, there are more and more communication technologies, but in the embedded field, the common communication technologies are actually not many, such as UART, I²C, SPI, CAN, USB, and TCP/IP, which are the most common.These communication … Read more
90% of USB drives are modules, which are composed of chips and surrounding components, such as PCB capacitors and resistors. Why do we have products like modules? For example, CPUs and MCUs can be directly soldered onto the motherboard. This represents a direct relationship between the chip and the motherboard, but many products cannot be … Read more
Produced by | OSC Open Source Community (ID: oschina2013)The D1 is Allwinner’s first SoC based on the RISC-V core design, integrating Alibaba’s T-head 64-bit C906 core. The Allwinner D1s is a lower-tier version of the D1 platform, also based on the C906, but with an additional 64 MB of DDR2 memory, lacking HDMI output, DSP, … Read more
1. Hardware 4G Module: Hezhao Air780EMain Control: NUC980 Main Control Pin: Using USB1 4G Module Pins: 2. 4G Module The VID and PID of the 780ER module are 19d1 and 0001 respectively. 3. Kernel Driver Configuration Before adding the USB driver, check the original development board’s USB information. 3.1 Driver Modification Add VID and PIDTo … Read more
I have seen these very cheap logic analyzers for sale for a long time,17 yuan, and it comes with a USB cable and Dupont wires. I was curious about how they managed to do this, so I bought a set to disassemble. There are10 pin headers, with a total of8 channels, plus one CLK and … Read more
After a long delay, we finally caught the tail end of Q1😀 💡 What’s New? Chip Upgrade: CH347F, performance maximized!💪 Configurable IO Levels: 3.3V/2.5V/1.8V, supports external input IO reference levels, incredibly flexible!🎛️ Major Interface Upgrade: 5V/3.3V power, UART0/1, SPI, I2C, JTAG/SWD, fully independent 8PIN interface, clear and straightforward, no more worries about wrong connections!🔌 Software … Read more
RS232-RS485-USB to Fiber Optic Signal—Gateway Converter–HD67072 Author: Zou Wuyi Mobile185-020-77899 Email: [email protected] 1 Product Features: The standards can be mixed and matched, allowing RS-232 devices to connect with RS-485 devices, or USB devices to communicate with RS-485 devices, or RS-232 devices to communicate with USB devices through replacement converters and isolators. Fiber optic lines are … Read more
More content can be found in the Linux system knowledge base package (tutorials + videos + Q&A): Linux System Knowledge Base Package Article Directory 1. Setup Stage: Transaction 1.1. Token Packet 1.2. DATA0 Data Packet 2. Explanation of Optional Data Stage Packets 3. Explanation of Status Stage Packets Control transfer consists of three stages: setup … Read more
Beginner One-Click System Reinstallation Learning and sharing computer knowledge, let’s improve together “2500 BBC HD Documentaries with Bilingual Subtitles (▲ Click to Claim Benefits) Have you ever encountered an issue where you can’t open your external hard drive or SD card? Today, I will teach you a practical little trick. Image Tutorial Before you leave, … Read more