Domestic 3G standards receive further support; 20 billion yuan in loans to help Putian]This is exciting news for both the TD-SCDMA Industry Alliance and Putian Group. Recently, the China Development...
1. Photoresistor
A photoresistor is a special resistor made of semiconductor materials such as sulfide or selenide. The surface is also coated with moisture-proof resin and has a photoconductive effec...
In daily work, we occasionally encounter customer feedback: the LCD screen does not display or displays very light after it is turned on. The impact of voltage on this problem is often ignored by us.
...
In the study of PCB reverse technology, reverse deduction schematic refers to the reversal of PCB file diagram or drawing PCB circuit diagram directly according to the physical object of the product, ...
[i=s]This post was last edited by aggie_liang on 2021-7-29 19:21[/i]job description :
1. Ensure engineer tasks and on-time delivery in new product development projects, program implementation and plan...
[size=4]Differences between SMBus and I2C[/size] [size=4] [/size] [size=4] There are some differences in timing characteristics between SMBus and I2C buses. First, SMBus requires a certain data hold t...
On June 6, Juwan Technology Research held the "2023 Juwan Phoenix
Battery
Technology Conference" and officially released the Juwan Phoenix battery with XFC ultra-fast battery technology.
...[Details]
Isolated Switching Converter Topologies
Forward Circuit (Continuous Current Mode - CCM)
The main components of the forward circuit are transformer, semiconductor switch, inductor, freewhe...[Details]
1. Passive buzzer and active buzzer The active buzzer contains an oscillation source and will make a sound as long as it is powered on, but the frequency is fixed and the tone is single; the passiv...[Details]
In June 2021, Shao Baiqing, one of the co-founders of Hollysys and a senior researcher who has been working in the field of industrial automation for nearly 30 years, took on a new identity: the pers...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Today, at the 2019 IFA exhibition held in Berlin, Germany, Huawei launched the latest generation of flagship chips, the Kirin 990 series, to the world, including the Kirin 990 and Kirin 990 5G chips....[Details]
1. Register addressing Instruction example: MOV A, R0 This instruction function: Send the content in register R0 to accumulator A Detailed description: Assuming that the content in R0 is the he...[Details]
Linear displacement sensor is a commonly used detection instrument that can convert linear mechanical displacement into a measurable electrical signal. It is widely used in the fields of industry, mac...[Details]
Microsoft is working with Google on a new API called "Picking Clipboard" that will upgrade the existing clipboard functionality of browsers like Chrome and Edge. This big clipboard update is ex...[Details]
With the increasing application of network technology, network transmission is the most economical and effective way of data transmission. How to use the cheap 51 single-chip microcomputer to con...[Details]
Hongjing Intelligent Driving and Ambarella start strategic cooperation based on CV3-AD to jointly expand the global market
Summary:
Ambarella and Hongjing Intelligent Driving h...[Details]
This machine can quickly and fully automatically charge batteries below 48 volts, with a maximum charging power of 600 watts. STK702-015 is a powerful large-scale thick-film switching power supply cir...[Details]
1 Introduction
In actual measurement, noise and interference cannot be avoided, which affects the sensitivity and accuracy of the measurement. For the purpose of studying and measuring pA-level c...[Details]
Well-known whistleblower @Steve Hemmerstoffe has exposed information about Huawei Mate 40 Pro, Samsung Galaxy S21 series, Galaxy S20 FE, Google Pixel 5 and even OnePlus 8T 5G in recent months,...[Details]
Servo press machine is a kind of automation equipment widely used in industrial production, mainly used to realize accurate press-fitting of workpieces. Its working principle is to achieve accurate...[Details]
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