Today my boss threw this Bluetooth player and asked me to disassemble it. . . . After disassembling it, it looks like this, but I don't know what model the main chip is? I want some experts to give me...
[font=Tahoma, Helvetica, SimSun, sans-serif]ST BLE driver written by foreign netizens in python. [/font] [img=600,305]http://forum.micropython.org/download/file.php?id=386[/img] [img=600,1067]http://f...
Extracted from www.eetchina.com Using dedicated devices to implement digital signal processing is currently a major choice for Chinese engineers. Tony San of Altera believes that in the face of variou...
ros kinetic. As root user, execute roscore, invalid master uri appears: As a normal user, execute roscore, it is normal. As root, edit ..bashrc. Modify ROS_HOSTNAME ROS_MASTER_URI. The name is changed...
What does the following instruction mean? MOV x(R0) R1 ========== MOV (R0) R1 means to move the contents of R1 to the address specified by R0. What do the multiple Xs in front mean? Thank you...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
EtherCAT (Ethernet for Control Automation Technology) is a real-time industrial fieldbus communication protocol based on an Ethernet-based development framework. EtherCAT is one of the fastest indu...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
On August 22, the Wall Street Journal reported on the 21st local time that the new US government does not plan to acquire equity in semiconductor wafer foundry giant TSMC and Micron, one of the thr...[Details]
Shenzhen Baowei Power Supply high frequency pure sine wave power, communication inverter power supply has two communication interfaces, RS232 and R485 interfaces, their functions and characteristic...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
0 Introduction
Portable terminals integrate a computer and display screen into a single device. Due to limited space in portable devices, previous designs often used a single-chip microcompute...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
In recent years, with the development of MOSFETs, they have gradually replaced transistors in the low-power, fast-switching industry. Major manufacturers in this field have also been reducing their...[Details]
Electronic devices are small individual components in electronic circuits. Transistors are common electronic components. Because of their wide range of applications, according to the usage of the e...[Details]
PCB Design
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