Long time no see, have you all turned into buyers? Hahaha
(This chat is all for activities, I am the administrator of reality)
I chatted with Ding Ding, a senior engineer at the forum, in the afternoo...
Why Use an Op Amp as a Comparator?Convenience Economic Low IB Low VOS Why Not Use an Op Amp as a Comparator?SpeedInconvenient Input StructureInconvenient Logic StructureStability/Hysteresis Introducti...
Brief introduction: This chip is a single chip that integrates the 5* series of MSP430 and CC1101. There are currently 8 main products for different applications. Please refer to the attachment. You c...
In the first two designs, the clock generation part of the rangefinder was designed. Since the clock is obtained conveniently, square waves are not very conducive to measuring phase difference in actu...
Many peripherals have the same DMA and Interrupt event source and share the same flag. How to respond if they are both enabled at the same time? According to the current definition, if you respond to ...
I used the classic picture in the Chinese manual of LM5117 to make a board. At first, there was a voltage reduction, but when I measured it again, there was no current. After that, I tested it many ti...
Recently, the U.S. Department of Commerce announced that it would prohibit companies in the country from selling any electronic technology or communication components to ZTE, a Chinese communicatio...[Details]
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[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]
Guangdong Traffic Regulation No. 355
To all municipal transportation bureaus (commissions) above the prefecture level, provincial transportation groups, Guangdong Power Grid Compa...[Details]
Recently, the Provincial Development and Reform Commission and the Provincial Poverty Alleviation Office jointly organized the application for a number of centralized photovoltaic poverty alleviation ...[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]
Chip: STM32F107VCT6 Application Pin: THOUSANDS, RMII STM32CubeMX is very convenient to use ETH. The software comes with LWIP and configuration. This time, STM32F107VCT6+DP83848CVV is used. The MII a...[Details]
1. Determination of STM32 ADC sampling frequency 1. First, read some information to determine the ADC clock: (1) The ADCCLK clock provided by the clock controller is synchronized with the PCLK2 (A...[Details]
According to MEMS Consulting, Japan's
Toshiba
will further develop its automotive
LiDAR
(laser radar) semiconductor business, mainly focusing on: (1)
light receiving elements use...[Details]
I am going to do a project recently, which requires counting the frequency and duty cycle of the external PWM signal. The chip used is STM32F207 Looking at the datasheet, I found that one of the ma...[Details]
The watchdog timer is used to prevent the program from running away due to strong interference noise caused by power supply, space electromagnetic interference or other reasons. Many microcontrollers...[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]
The adoption of vehicle tracking systems for cars and fleets is increasing. Modern trackers have reduced form factors and increased functionality to support active data transmission for real-time tra...[Details]
The day before yesterday, another mainland technology company submitted a prospectus to the Hong Kong Stock Exchange. The company is called "Jia Nan Creative (hereinafter referred to as 'Jia Nan')"...[Details]
The ZTE incident has aroused people's concerns about the future of Chinese chips, and they have been using WeChat and Weibo to express their views; the Chinese display industry is also worried abou...[Details]
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