Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
[size=4][color=#000000][backcolor=white]Problem[/backcolor][/color][/size] [size=4][color=#000000][backcolor=white]Sometimes we want to use macro definitions to decide whether to compile debug version...
[i=s]This post was last edited by freebsder on 2019-5-9 00:50[/i] I want to turn the USBDongle into a sniffer to monitor the Bluetooth wireless situation. So, install the latest STM32Cube_FW_WB_V1.1.0...
[i=s]This post was last edited by shipeng on 2019-5-14 11:43[/i] [backcolor=rgb(222, 240, 251)]I've been writing an IAP for STM32F429 to read USB flash drives. I've been debugging it for almost a week...
By combining power delivery and communications over a single Cat3 or Cat5 cable, engineers can quickly build Ethernet networks at a lower cost and with less maintenance than would be possible with sep...
Without impedance control, it will cause considerable signal reflection and signal distortion, leading to design failure. Common signals, such as PCI bus, PCI-E bus, USB, Ethernet, DDR memory, LVDS si...
Many desktop computers do not have wireless network cards and can only be plugged in with a network cable.
If you want to use WiFi, just plug in a USB wireless network card, it's simple and convenient...
On November 23, 2023, China Southern Power Grid Peak and Frequency Regulation (Guangdong) Energy Storage Technology Co., Ltd. (Party A), a wholly-owned subsidiary of China Southern Power Grid Energ...[Details]
After Foxconn founder Terry Gou stepped down to the second line, Foxconn's management system was changed to be operated by a nine-member team. Foxconn Vice President Lu Fangming said that the operati...[Details]
Since there is no Chinese version of FSMC in the library function found on the Internet, I can only reprint the function analysis of FSMC here for rookies like me to learn. typedef struct { uint...[Details]
I. Preface
For an emerging product, its own development always precedes product standards and testing methods. Although product standards and testing methods cannot precede product research and d...[Details]
In April 2022, China's new energy vehicles were the only bright spot in the entire auto market, with year-on-year growth of more than 78%, which makes people full of expectations for the future of Ch...[Details]
Introduction The R&S®FSC is a cost-effective, compact solution that offers all the essential features of a professional spectrum analyzer with Rohde & Schwarz quality. This covers a wide range of app...[Details]
On April 24, an expert review meeting for two local standards drafted by Hitech Electronics Group Co., Ltd., namely "General Technical Requirements for Lithium Iron Phosphate Battery Packs for Ener...[Details]
The AP2905 is a high-efficiency synchronous buck regulator that provides 0.7 A output current over a wide input range of 6 V to 40 V. The fixed 5 V output version saves two voltage divider resistor...[Details]
Battery-powered sensor networks usually operate in remote environments that are inaccessible to humans, such as volcanic areas and war zones. It is usually impossible to replace or recharge the power...[Details]
1. Bus Overview
The computer system is centered on the microprocessor. All devices must be connected to the microprocessor and must work in coordination, so the concept of bus is introduced in the ...[Details]
The basic principle of the megohmmeter is to use a hand-cranked generator to output a certain value of high voltage, apply it to the terminals to be tested , and test the insulation resistance by d...[Details]
According to news on August 9, Intel's official public account "ZhiIN" posted today that Intel and Lenovo jointly established an "Advanced System Innovation Laboratory" in Shanghai in July to coopera...[Details]
We know that there are two types of line transformers: constant voltage type and constant resistance type. The constant voltage type (SBV series products) has 90V and 120V on the primary side and 20V...[Details]
Introduction to digital temperature sensor specifications and standards
In order to achieve optimal performance and ensure system robustness, system monitoring measurements are necessary. One typic...[Details]
1 System Hardware Design
1.1 Host hardware system structure
1) Power supply circuit AT91RM9200 requires 1.8 V and 3.3 V power supplies. In addition, most peripheral devices require 3.3 V p...[Details]
Microcontroller MCU
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