Step 1: Calibration.In addition to the cable to be tested, another auxiliary cable is also required. The ZVB8 vector network analyzer (hereinafter referred to as VNA) we use has two ports: Port1 and P...
[align=left][color=rgb(51, 51, 51)]During the circuit design process, applications engineers often overlook the layout of the printed circuit board (PCB). The problem often encountered is that the cir...
From October 28 to 30, 2021 , at the Shenzhen World ExhibitionConvention Center (Bao'an New Hall) , the member exhibition of the 2021 South China International Intelligent Manufacturing, Advanced Elec...
Motion detection is an important part of security system and PIR sensor is one of the most commonly used sensors to trigger alarm when motion is detected. This sensor can easily detect the motion of p...
A while ago, I happened to see the registration for the Digi-Key Innovation Design Competition, and I took part in it with the mentality of giving it a try. Fortunately, I was selected in the first ba...
The growing demand for portable electronic devices, electric vehicles , and large-scale smart grids has driven the rapid development of energy storage technology. Lithium-sulfur batteries are conside...[Details]
According to reports, Shanghai Will Semiconductor Co., Ltd. (hereinafter referred to as Will Semiconductor) has been developing MEMS microphone core technology since 2017, and has invested a lot of r...[Details]
Toshiba said on Wednesday it has partially resumed production at one of its semiconductor plants in Oita, southern Japan, which had been halted after the plant was hit by a powerful earthquake over t...[Details]
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//MSP430F149 ADC12 module + serial communication experimental program
//Use ADC12 to collect experiments and send the...[Details]
What is an interrupt? An interruption refers to the process in which the CPU pauses the program being executed and switches to executing the corresponding service handler due to some random periphera...[Details]
In late March, Lens Technology's Xiangtan Industrial Park was officially opened. At the same time, the first smartphone manufactured by Lens Technology for Xiaomi officially rolled off the productio...[Details]
The 49MHz FM transmitter is composed of an audio amplifier, a low pass filter, three RF stages and a regulated DC power supply. The output is approximately 16mW into a 50Ω load. The transmitter can b...[Details]
Kyocera will acquire NEC's entire stake in optical component maker Showa Optronics Co., Ltd. Upon completion of the equity transfer, Kyocera will own 93.53% of Showa Optoelectronics' shares; SOC wi...[Details]
The profound impact of disruptive technologies has fundamentally changed the way people live, work and play April 25, 2022, Shanghai, China - What do the MP3 players of the 1990s have in common wit...[Details]
When testing hardware circuits, we often encounter some problems that are easy to ignore and difficult to detect. However, we must face up to the existence of these problems and find ways to reduce or...[Details]
Although TSMC has not announced specific plans for investment in Europe, it has previously revealed that it is in contact with customers and partners in Europe to evaluate the possibility of building...[Details]
Sina Digital News reported on the morning of January 20 that Qualcomm Technologies announced the launch of the Qualcomm Snapdragon 870 5G mobile platform. This chip is an upgraded product of t...[Details]
1. The different concepts of linear regulators and switching regulators 1. What is a linear regulator? Linear regulators use transistors or FETs operating in their linear region to subtract excess vo...[Details]
According to foreign media reports, British Prime Minister Johnson plans to significantly reduce Huawei's participation in the UK's 5G network infrastructure to zero by 2023. However, Chinese Ambassa...[Details]
pc:Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]