About the doubts in the ARM bare metal IIC routine: Why is there a POLLACK mode in the write data function? (At this time, all data has been sent, and then judge ACK) I hope the master can solve the p...
When working with RF, we pay special attention to the Q value when selecting inductors and capacitors. So what is the Q value? What does the Q value mean and why is it important?
Quality factor Q: A q...
Hutong hawking "Yao Shouting" "Yao Shouting" is a kind of hawking sound in the old Beijing hutongs. If we follow the saying that hawking only appeared in Beijing's hutongs, then hawking is indeed too ...
Does anyone have an electronic version of the book [b]STM32 Library Development Practical Guide by Liu Huoliang and Yang Sen[/b]? Books are expensive, and I don't want to rush to buy them during the D...
I'm working on something now, which uses PLL and triples the clock: PLL39MHzx3 PLL39MHzx3_M( .inclk0(DSP39MHz), .c0(CLK_M) ); It works fine when downloaded to FPGA. However, when I use modelsim to sim...
[b]The underlying library function of CFAL9664B-F-B1:[/b] [color=#0080][font=Arial][size=6]cfal96x64x16.c[/size][/font][/color] Please explain or provide information....
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
Embedded System
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