[size=4]1. L and C components are called "inertia components", that is, the current in the inductor and the voltage across the capacitor have a certain "electrical inertia" and cannot change suddenly....
Using emwin5.30 on 1788, there is no problem with direct display on the screen, and there is no problem with SDRAM test (test method, the first loop writes different data in the memory at a time, writ...
I use bushound to grab data from a USB camera. Why is the grabbed data different from the JPEG format? JPEG starts with FF D8 FF E0, but the grabbed data is FF D8 FF FE. What format is this? Experts, ...
1. Introduction
Bluetooth technology has been around for 20 years since it was first introduced by Ericsson in 1994. From the initial Bluetooth V1.0 to Bluetooth V4.0 (the latest is V4.1, released at ...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
Recently, the results of the 2018 German Red Dot Design Award were announced. GoodWe, a company located in Suzhou High-tech Zone, stood out among thousands of outstanding design products from 5...[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. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]
All relevant units:
In accordance with the relevant requirements of the provincial and municipal electric vehicle charging infrastructure construction work, in order to further standardize the...[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]
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]
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]
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]
In the Huaxing Optoelectronics LCD panel
factory
located in Guangming New District, Shenzhen
, apart from a few people repairing machines, it is often difficult to see other people. Here, ev...[Details]
Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[Details]
This program is used in the development board to generate sounds of different frequencies. The overall program is relatively simple, mainly using two timers. The code and my comments are as follows. ...[Details]
In the project, CPLD is needed to complete part of the algorithm design. The parameters are given by AVR, so the communication between AVR and CPLD needs to be completed. Therefore, a test program is...[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]
Analogue and Mixed Signal
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