In the whole vehicle, are error frames allowed in LIN communication? If so, what are the acceptance standards? For example, how many frames are allowed to have one frame error? Are there any standard ...
Audio input and output problems are often encountered in embedded product development. How to add "speaker" and "microphone" devices to them? This article will briefly introduce the audio solution in ...
Due to various reasons, I am selling some boards now, some are new, some are used, and some are painted by myself. Description: EFM8UB20 Universal Bee starter kit development board. Brand new, never u...
1. What are the advantages of Bluetooth 5.0 in terms of power consumption compared to Bluetooth 4.0? Currently, most mobile phones use Bluetooth 4.0. Can they connect to Bluetooth 5.0 wearable devices...
TI 15.4-Stack is an IEEE 802.15.4e/g RF communication stack. It is an integral part of the SimpleLink CC13xx/CC26x2 Software Development Kit (SDK) and supports star topology networks for either Sub-1G...
[i=s]This post was last edited by qwqwqw2088 on 2019-5-1 09:56[/i] [size=4] Millimeter waves refer to electromagnetic waves with a wavelength in the order of millimeters, and their frequencies are app...
On September 16-17, the IMT-2030 (6G) Promotion Group held the "2021 6G Seminar - 6G Vision and Outlook" seminar in Beijing. According to China Business News, Han Xia, chief engineer of the Minist...[Details]
Automobiles are an important application direction for UWB, especially in the past one or two years, more and more car models on the market use UWB digital car keys, which allows us to see the pote...[Details]
According to the report, according to the public information of the UK National Crime Agency (NCA), on March 12, 2017, Kerem Albayrak sent an email to Apple's security team, claiming that he ha...[Details]
Objective: To facilitate daily ECG monitoring, a portable ECG detection system was developed. The design of the amplifier circuit in this portable ECG detection system was introduced. Methods: Th...[Details]
Note: __delay_cycles(x), x must be a constant or a constant expression. If it is a variable, the compiler will report an error! Delay functions are often used when using microcontrollers, and 430 is...[Details]
Jiwei.com reported on March 9 that OnePlus Mobile announced today that the OnePlus 9 series new product launch conference will be held at 14:00 on March 24 at the Shanghai Oriental Sports Center. The...[Details]
The ARM Linux boot process is roughly as follows: bootloader ---- kernel---- root filesystem. The bootloader takes control of the CPU as soon as the power is on, and the bootloader implements hardwar...[Details]
By using the Zener breakdown characteristics of the voltage regulator tube, a high-frequency signal with a frequency of hundreds of megahertz can be obtained. The circuit is shown in the figure. The ...[Details]
On November 24, the 2022 IEEE Fellow list was officially announced. 311 new Fellows were added, and 73 Chinese scholars were elected. Wang Yu, director of the Department of Electronic Engineering at ...[Details]
测量时首先要把太阳能电池板清理干净,放到阳光充足的地方正对着太阳,而且不能有仼何阴影投射在板面上。然后把万用表拨至DC一200V档即可测到开路电压值。然后把档位換成DC一20A的电流档,测量方法同上,就可以得到短路电流值。但这种测短路电流的方法仅限于太阳能电池板,其它电源或电池绝对不能用电流表直接测,否则有可能烧毁电源或仪表。 Since the internal resistance of...[Details]
Single output self-locking control circuit
The start signal I0.0 and the stop signal I0.1 are usually kept ON for a short time. The most important feature of this circuit is that it has a "mem...[Details]
OPPO Reno7 series phones were recently exposed on a benchmarking website. This product is expected to be equipped with MediaTek Dimensity 900 and 1200 chips, including three models. According to neti...[Details]
introduction Today's processors, graphics and storage systems all use multiphase power solutions. These multiphase solutions can provide the response and regulation performance of a very high switchi...[Details]
STMicroelectronics launches second-generation multi-zone direct ToF sensor that uses half the energy of existing products and doubles the distance measurement
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VL53L8
direct...[Details]
Power amplifier, referred to as "power amplifier". In many cases, the rated output power of the host is not enough to drive the entire audio system. At this time, a power amplifier must be installe...[Details]