The essence of the train model light is to input 12V DC, the positive and negative poles will switch (can be regarded as AC), and pass through the small thing in the middle like a rectifier bridge to ...
[Integrated subway security control system based on Raspberry Pi 400] Material unboxing - Raspberry Pi 400 https://en.eeworld.com/bbs/thread-1210217-1-1.html
[The first post of image recognition class...
SD card FAT16 reading and writing program based on MSP430 learning and development system
The basic structure and technical characteristics of SD card are introduced, the FAT16 file system designed by...
I used AD9959 to output two sinusoidal signals. The theoretical phase difference is 120°. When measured with an oscilloscope, it always fluctuates within ±2° due to noise. How can I accurately measure...
First of all, I would like to thank Qinheng Electronics and EEWORLD for providing the opportunity for this evaluation. From the beginning of September when I received the [CH579M-R1] development board...
High voltage ADC detection --- If R46 is open or not welded, then the voltage of VH_ADC is 24V, and it is very likely that the MCU will break down immediately. Is there any way to improve it? Add a cu...
This article starts by comparing two discrete MCUs and a single-chip dual-core MCU (taking LPC4350 as an example), and then introduces the basic knowledge and important features of asymmetric dual-...[Details]
MCU serial port structure The serial port structure is shown above When sending, after the data is written into SBUF, the serial port sends the data in SBUF bit by bit through the serial output...[Details]
Home security alarm system The home security alarm function is an important function of the smart home system. Together with various sensors, function keys, detectors and actuators in the home, it co...[Details]
Security and anti-theft have become social issues. Locks have been guarding the door since ancient times. People have high requirements for them. They must be safe and reliable against theft and ...[Details]
Bytedance, a subsidiary of Toutiao, released a white paper on the mobile phone industry in the first half of 2020, which showed that the speed of 5G penetration was beyond imagination. Judging from t...[Details]
Infineon Technologies AG , a global semiconductor leader in power systems and the Internet of Things, and Archetype AI , a pioneer in AI in the physical world, recently announced that the two pa...[Details]
In recent years, as iPhone sales have declined, Apple has begun to turn to the entertainment industry. At Apple's fall conference on September 11, 2019, Apple announced the official launch of Apple T...[Details]
On May 17, Zhongfu Circuit stated on the investor interaction platform that the company is currently operating well and production is in order. The company will actively pay attention to changes in u...[Details]
overview
The goal of this project is to design an efficient power system with digitally adjustable output voltage (VOUT). To ensure the accuracy of the output voltage, a digital closed-loop co...[Details]
1. Key phrases for falling asleep RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE); PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI); 2. Enter the configuration required for low power c...[Details]
0 Preface
As a country with scarce water resources, my country should make full and reasonable use of water resources. Hydrological parameter monitoring is the basis for the rational use of water res...[Details]
In the use of oxygen in industrial environments, especially in closed environments, we need to pay great attention to factors. Generally, we call oxygen content exceeding 23.5% excessive oxygen (oxyge...[Details]
Japanese chip manufacturer Renesas Electronics announced on its official website on February 15 that it will acquire 100% of the shares of Australian design software provider Altium for US$5.91 billi...[Details]
集微网消息，日本政府加强管制3项关键电子原料出口韩国，三星电子的半导体生产恐受影响。三星电子副会长李在鎔今天前往日本，外界分析他将与有生意往来的日本材料商讨论对策。 Starting from the 4th, the Japanese government has tightened controls on the export of three key electronic material...[Details]
01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]
Making friends through disassembly
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