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.
My colleague asked me to test the voltage difference between the diode anode marked by the red circle and the busbar and 12Vo-. The waveform is as follows. Is this called clamping voltage? Switching n...
In any switching power supply design, the physical design of the PCB board is the last link. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, causing...
Until I came into contact with DSP, I had a further understanding of structures, unions, etc., and a deeper understanding of the use of an engineering variable because of the use of TI's library file ...
The problem encountered is this: the system power supply is DC12V, and two subsystems need to be powered. One is the subsystem that generates square wave signals (here named subsystem 1), and the othe...
[i=s]This post was last edited by Electronic_Elf on 2019-5-17 16:51[/i] [p=null, 2, left] This article mainly introduces the key points of knowledge about TTL level, CMOS level, and RS232 level, and I...
I would like to ask you, as shown in the figure below, this is the power supply switch tube of the stepper motor, using PMOS switching. I want to know the difference between the functions of C889 and ...
With the advancement of industrial technology, the requirements for execution efficiency and integration in digital control servo systems are getting higher and higher. For example, when a single p...[Details]
I spent a day working on the DS18B20, and finally found out that the official single bus driver had a problem // Single bus delay function void Delay_OneWire(unsigned int t) { while(t--); } It...[Details]
Tektronix Technologies Inc. has named Tami Newcombe as president of Tektronix Technologies. Newcombe joined Tektronix in early 2017 as president of commercial affairs, responsible for leading global ...[Details]
Abstract: This paper introduces a parking lot vehicle detection system with SPCE061A microcontroller as the main control chip. The system uses ground sensing coils to detect vehicles entering and ...[Details]
A DC motor speed regulator is a device that regulates the speed of a DC motor. Since DC motors have the characteristics of low speed and large torque, they cannot be replaced by AC motors. Therefor...[Details]
According to foreign media reports, after a woman's iPhone was accidentally soaked in water for 30 days, it was still working properly when it was found and turned on in an icy lake. It is rep...[Details]
A new video has taken a closer look at Apple's new Thunderbolt 4 Pro cable, and gives us a glimpse at the premium components that went into Apple's design. When Apple launched the Mac Studio and St...[Details]
On August 19, the "Urban Smart Energy Service Platform" project of State Grid Hebei Electric Power Co., Ltd. was approved by the Hebei Provincial Government's "Special Fund for Modern Service Indus...[Details]
Recently, the price of lithium products, an important raw material for the new energy industry, has become a hot topic again. However, unlike previous years, the core content this time is a decline. A...[Details]
Design of C8051F320 Train Safety Patrol Instrument 1 Introduction
With the development of science and technology, traveling by train has become one of the main modes of transportation for people. In...[Details]
NXP’s first single-chip solution combines ultra-wideband (UWB) radar with precision ranging to enable high motion sensitivity for presence detection, vital sign monitoring and gesture recognition...[Details]
Recently, the Zhuhai 480KW photovoltaic power station project located in the Weishimao Industrial Park in Jinding Town, Zhuhai was completed. It is understood that the project uses 17 INVT BG30KT...[Details]
BIC: ARM instruction, clear some bits to zero. First invert and then AND.
asm("BIC r2, r2, #0x1f"); ##Clear the lower 5 bits of R2.
ORR: ARM instruction, logical OR
asm("ORR r2,...[Details]
In new system-on-chip (SoC) designs, especially for portable devices, optimizing total system power is becoming as important as optimizing for performance and area. Some EDA tools have features such a...[Details]
Nowadays, there are many high-speed digital interface standards, and the high-speed digital cables used by these standards are also different. Most of the companies that manufacture these cables are ...[Details]