[i=s]This post was last edited by qwqwqw2088 on 2016-10-13 10:14[/i] [p=24, null, left][color=#2e2e2e] Let's take a look at the role of inductance in circuit boards, and what are the advantages of fer...
I have recently been learning how to use FIR filters. I have been reading about it for a few days and it seems interesting, but I don’t quite understand how to use it specifically. Let me talk about i...
Today I received the Atmel SAMD21 XPlained Pro development board, and I feel that the board is simple and beautiful. Let's analyze the hardware first:From the front, we can see that the main chip: SAM...
I just took over the lm3s811 mdk and have authorized the compilation of the program, but when I download it, the following error message appears. Can any expert tell me how to solve it?Thank you in ad...
Designing for automotive LCD displays larger than 5" can be complex. The display source driver requires a supply rail called analog voltage device drain (AVDD) in the 10V to 15V range and two supply ...[Details]
In 2017,
Sanan Optoelectronics
achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]
In order to strengthen the management of new energy vehicle charging facilities in our city, prevent and reduce accidents, protect the lives and property of the people, and improve the public safet...[Details]
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[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]
The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[Details]
When the domestic discussion about "ZTE being banned" was hot, Alibaba officially announced the acquisition of chip supplier
Zhongtianwei
, but the investment amount was not disclosed. At t...[Details]
1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]
Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
With the implementation of the first version of the NR sub-6GHz draft of 3GPP in December 2017, and the subsequent Phase 2 drafts, semiconductor manufacturers and terminal manufacturers began to ...[Details]
At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
Unlike three years ago, today's
artificial intelligence
is no longer just a floating concept, and the venture capital circle has begun to explore the various possibilities of this technolog...[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]
At the beginning of the new year of 2018, after the release of the national photovoltaic policy, we found that the state’s support for village-level poverty alleviation power stations has not weake...[Details]