I found a problem when debugging the flyback power supply today:
The current of 4*1W LED remains unchanged at 350MA, and the voltage drop is 13.2V; as the power-on time increases, the voltage graduall...
Capacitive touch is very popular. Many mobile phones use capacitive touch screens. We, who make small appliances, always realize it later. We are only planning to use capacitive touch to replace the p...
[i=s]This post was last edited by johnrey on 2016-5-27 22:09[/i] I'm working on FM radio. I tried tea5767 before, but I felt that the reception was average and there was always some noise, so I instal...
Introduction to Digital Integrated Circuit Design -- From HDL to Layout Yu Dunshan Department of Microelectronics, Peking University http://www.socvista.com/bbs/images/Beijing2008/attachimg.gif...
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]
After we understand the use of libopencm3, we find that libopencm3 is only suitable for small projects. Its biggest feature is the convenience of USB. So when we configure large projects, is there a ...[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]
In the Chinese automobile market, the trend of new energy vehicles and driverless cars is leading the transformation of China's automobile industry. As the world's largest automobile market, "Chinese...[Details]
Temperature, humidity and irradiance are must-measure items in the photovoltaic industry. However, most of the current data collection is done by storing data in USB flash drives for offline analys...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
Circuit: Using AT89S52 single chip microcomputer. P3.0 to P3.3 are connected to four external buttons. P3.4 to P3.7 are the bit selection ports for controlling the four digital tubes, and P1 is the s...[Details]
Please help me analyze the clock cycles occupied by the following delay program. Seek to explain: DELAY: MOV R6, #13 DELAY1: MOV R5, #250 DELAY2: NOP DJNZ R5, DELAY2 DJNZ R6, DEL...[Details]
:For medium and large-scale domestic photovoltaic power stations, inverters generally go through an open bidding process. Due to the high technical content of power station design, it is necessary ...[Details]
At CES 2018, Samsung launched a 146-inch giant TV, The Wall. This is Samsung's first product developed using
MicroLED
technology. It not only has ultra-high picture quality and contrast, bu...[Details]
Shanghai, China, January 26, 2018 - In the era of entertainment, 4K high-definition entertainment content is highly sought after. More and more people are willing to watch travel images, children's c...[Details]
The basic EMC command syntax is actually only 57/58. How to change it depends on your practice. However, it is easy for novices to make some mistakes, and some tricks of veterans are worth learning. ...[Details]
Multi-byte binary division The dividend is 3 bytes, in units 0x20, 0x21, and 0x22, 0x22.7 is the most significant bit and 0x20.0 is the least significant bit. The divisor is 2 bytes, in 0x30, 0x31. A...[Details]
In many programming occasions, we often use time delay subroutines. Next, we will introduce a delay subroutine that can control the delay time. The following is a program that uses the development t...[Details]
Today, Qualcomm Technologies, Inc., a subsidiary of Qualcomm, announced at the 2018 Qualcomm China Technology and Cooperation Summit that it has signed memorandums of understanding (MoUs) with Leno...[Details]
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