1. Pin Description1.1 Interface Definition485 Pin Function DescriptionDE, RE Set to high level to send, set to low level to receive1.2 Hardware Connection485 Pin 430 PinDE, RE P4.02. Migration FilesAd...
I made a board myself, but when I downloaded the eboot.nb0 from the original development board to the board, an error occurred, prompting "The board contains an unknown FLASH." What should I do? Thank...
Request: Can you DX provide a program that can be installed on the SD card and directly run when inserted into the device to support large-capacity SD cards? Reason: The navigation box I bought can on...
I use an external AD to synchronously sample two signals at 256 points, and then do a 256-point fft operation in stm32 to calculate the amplitude and other parameters of the signal. The amplitude accu...
When the domestic discussion about "ZTE being banned" was hot, Alibaba officially announced the acquisition of chip supplier
Zhongtianwei
, but the investment amount was not disclosed. At t...[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]
introduction STM32 has many registers, which are difficult to remember, so the official packaged two sets of library functions. One is the standard library, but the official has not updated it on F7,...[Details]
China Energy Storage Network:
At the Boao Forum, Zhu Min, the current dean of the National Institute of Finance at Tsinghua University, said: "When talking about blockchain, we must first sep...[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]
At the beginning of the new year of 2018, after the release of the national photovoltaic policy, we found that the state’s support for village-level poverty alleviation power stations has not weake...[Details]
STM32 ADC multi-channel conversion Description: Use ADC to continuously collect 11 analog signals and transfer them to memory through DMA. ADC is configured to scan and continuously convert mode,...[Details]
1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]
Getting to the bottom of blockchain
Since last year, blockchain has become the hottest word in both the financial and non-financial circles. Some people use it as a gimmick to engage in va...[Details]
Use P1.0 to output 1KHz and 500Hz audio signals to drive the speaker as an alarm signal. It is required that the 1KHz signal sound for 100ms and the 500Hz signal sound for 200ms, alternating between...[Details]
LiDAR is a comprehensive light detection and measurement system. Compared with ordinary radar, LiDAR can provide high-resolution radiation intensity geometric images, distance images, and speed im...[Details]
A group of young people who looked like they were in their twenties or thirties were squatting on the edge of the factory flower bed. Some were looking at their phones helplessly, while others were...[Details]
1. ATMEGA128 Data Sheet Watchdog Timer The watchdog timer is driven by an independent 1 MHz on-chip oscillator. This is a typical value at VCC = 5V. See the characteristic data for typical val...[Details]
**File name: ds18b20.c **Description: Use the single bus DS18B20 temperature measurement program and display it on the LCD, taking three effective decimal places. Two integer parts. A total of 5 di...[Details]