[i=s] This post was last edited by jackfrost on 2015-8-29 09:58 [/i] [font=微软雅黑] I have a FAST FW300R 300M wireless router, 1 WAN port, 4 100M LAN port, bought in 2011, at that time my family used 10M...
In 1913, Karl Friedrich Rapp and Gustav Otto (the son of Nikolaus August Otto, the inventor of the famous four-stroke Otto cycle gasoline engine) established two aircraft manufacturing plants respecti...
For electronic devices, a certain amount of heat will be generated when working, causing the internal temperature of the device to rise rapidly. If the heat is not dissipated in time, the device will ...
Dear seniors, I recently used Symbol Mobility Developer Kit v1.0 for Java and WSDD 5.7 to develop a symbol mc9000 project to communicate with it to obtain the read RFID tag information. I don't know h...
1. Never get involved in single-chip microcomputers, unless it is a very special model, with a monthly salary of more than 10k, or an exception for starting a business. The salary for single-chip micr...
Every time you go to the supermarket, you use printed paper to deposit things, and then open the box by reading the barcode on the paper. In this way, the supermarket wastes a lot of printed paper, an...
【JDPCB】Qisda is introducing smart factories in phases. Chairman Chen Qihong said yesterday (25th) that through high automation, order delivery can be accelerated. The current benefits have reached a...[Details]
ZTE
The communication embargo incident has impacted the communication industry and sounded the alarm for the semiconductor industry. Let's follow the embedded editor to learn more about the r...[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]
I have read the source code of mbed these days, and the interface encapsulation for upper-level application calls is quite good. The code quality is relatively high, the comments are also very detai...[Details]
This part of the code in the void SystemClock_Config(void) function in the main file generated by stm32cubemx RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; This bug occurs, and the f...[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]
LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[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]
ZTE was punished, and Hou Weigui, who had already retired, had to come out of retirement again and run around to mediate. Let's follow the embedded editor to learn about the relevant content.
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On April 18-19, 2018, at the "Second Distributed Photovoltaic Carnival" held in Hangzhou, Jinko Power and China New Energy Assets Investment, Financing and Trading Platform (hereinafter referred to as...[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]
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]
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]
Making friends through disassembly
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