The third generation of anti-noise products in China currently use dynamic noise reduction ( DNR ) technology. DNR technology dynamically adjusts the output voice switch through the changing voice pea...
Many people have done Bluetooth development, and many people can also add an attribute service by imitating the GATT routine, but many people may not be able to clearly understand the BLE attribute pr...
Hello everyone!
I recently received quotes from several OEMs, and two of them specified Ethernet connectors, but did not specify other connectors. I would like to ask the experts in vehicle architectu...
I found a motherboard labeled as a shared bicycle control board on Xianyu. It was cheap, only 8 yuan, so I bought a few to play with. I haven't received the goods yet. I hope to learn some technologie...
NVH testing has become a comprehensive issue to measure the quality of automobile manufacturing, and it gives the most direct and superficial experience to car users.
The NVH problem of vehicles is on...
Today is a good day. It's my turn to be on duty. Wow.
Blessings to the netizens who browsed the forum today: Happy Mid-Autumn Festival, and good health to your family~
At the same time, I wish teacher...
On August 31, the 2019 World Artificial Intelligence Conference "Ecological Leadership, Intelligent Pudong" Summit was held at the Expo Center. Huawei's first global 5G innovation center was establis...[Details]
What does the CPU of 51 microcontroller mainly consist of? The main components of the 51 microcontroller CPU are central processing unit (CPU), internal data memory (RAM), internal program memory...[Details]
The well-known mobile phone review organization DXOMARK posted on Weibo yesterday criticizing the iPhone 12 Pro Max for its poor photography capabilities. DXOMARK said their first impression of the n...[Details]
This section mainly introduces the S3C6410 development board and the OK6410 development board. The OK6410 development board is based on ARM11. The main steps are as follows:
The OK6410 develop...[Details]
Perhaps the most common IC in isolated switching power supplies, the TL431 shunt regulator provides a simple, low-cost way to accurately regulate output voltage. Figure 1 is a block diagram of the ...[Details]
1 LED dot matrix LED dot matrix is a display device composed of light-emitting diodes. It can be seen everywhere in our daily electrical appliances and is widely used in bus station announcers, adv...[Details]
When ultrasonic waves propagate in a fluid, their propagation speed or phase is affected by the flow rate of the fluid. By properly processing the ultrasonic signal passing through the fluid, the flo...[Details]
According to Reuters, the US Department of Commerce announced that it would extend Huawei's temporary license for another 90 days, postponing it to August 13, 2020. According to Jiwei.com on March 11...[Details]
Since the AC voltage block of a digital multimeter is very sensitive, even a weak voltage signal can be reflected on the display screen. Therefore, it can be used to distinguish the location of the p...[Details]
I just finished working on the Freescale smart car. Yesterday, my partner who worked on the car came to me and said that Mr. Wei (former director of our department, I don't know how they met...) asked...[Details]
The original question is as follows: The code is as follows: (The code is annotated with the ideas for writing the questions) #include reg52.h sbit FB = P1^0; unsigned char count =0 ; void...[Details]
Before making the circuit, let's take a look at the MAX232 to be used. We will not discuss it in detail here. Just know that it is a chip that converts TTL and RS232 levels and has basic pin ...[Details]
On October 9, 2023, Shanghai Jinmai Electronic Technology Co., Ltd. (hereinafter referred to as: Jinmai) launched a domestic 15W~50W front-mounted car mobile phone wireless charging solution, aiming ...[Details]
Bob bought an oscilloscope with a nominal 300MHZ, and the nominal value of the probe is 300MHZ, and both indicators are 3DB bandwidth. Question: For a signal with a rise time of 2NS, what is the impac...[Details]
"(All) solid-state batteries (may) be a 'explosion'. Once (mass production) comes out, a lot of our current production capacity will immediately become a huge 'burden'." In early January this year, t...[Details]
DSP and ARM Processors
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