Lesson 1: Install a virtual machine 241265 (I) Why install a virtual machine? Because Linux development is generally carried out in a Linux environment, while we mostly use Windows operating systems i...
I have just started learning and I want to ask a basic question. I hope you can help me. CJNE R0, #100, LOOP This sentence CJNE means that when R0 is less than 100, jump to LOOP. The question is, is t...
Common impedance devices are mostly nonlinear, such as the impedance-temperature curve of resistance devices such as metal oxides and metal platinum, which is a typical nonlinear curve. The impedance ...
Reposted from ourdev, a very good learning guide, recommended to everyone."I want to DIY switching power supply, what theoretical knowledge, practical skills and engineering qualities do I need?""How ...
Who has used the Indichip iND86201 Ernie?
---http://www.indiemicro.com/cn/DAC gives different excitation voltages at both ends of the test strip, similar to an AC signal
Is AC impedance testing achiev...
New progress in process research and development of mainstream packaging manufacturers(China Electronics News)2006-6-20 The development of packaging and testing industry technology requires a large a...
Recently, the U.S. Department of Commerce announced that it would prohibit companies in the country from selling any electronic technology or communication components to ZTE, a Chinese communicatio...[Details]
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[Details]
CMSIS Driver has similar API functions and similar calling methods. It is a further encapsulation based on the ST HAL library. It is much more convenient and simpler to use and configure than the ST ...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[Details]
There has been a lot of news about Huawei
phones
recently
. At the
Huawei
Global Analyst Conference
on the 17th
,
Huawei
announced that it will launch
5G
phones
in the seco...[Details]
In most countries, the military is a fairly large group, and the health of soldiers is particularly important to the combat effectiveness of the army. The US Department of Defense's Advanced Resear...[Details]
The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]