I use vhdl to write a pulse signal to drive a stepper motor, but I can't figure out how to generate multiple pulses in one cycle. ----------------------------------------------------------------------...
Regarding mobile phones and tablets, I have read a lot of Baidu posts and review posts on the Internet. I have analyzed the major brands from the perspectives of CPU, size, screen, battery, software, ...
I continue to scan old posts. I seem to have overworked yesterday's post. I haven't typed so many words in a long time. I scanned a lot of posts today, but I didn't find much to say. I don't know if I...
The IO port of the microcontroller directly drives the segment LCD display, which is the kind that only displays numbers and symbols. The microcontroller does not drive the LCD. May I ask: 1. What are...
I have adjusted the ADC's constant frequency to the highest, and there is no frequency division, single channel acquisition, but the acquired data always has problems. Is there any expert who can give...
1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[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]
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]
Since China began to try to produce panels independently in 1998, in 2018, China's panel industry has gradually upgraded from a marginal industry to the largest production scale. Especially in the ...[Details]
Artificial Intelligence (AI) is undoubtedly the hottest topic in the technology industry in the past one or two years. In addition to the huge investments made by technology giants, financial and o...[Details]
I rewrote the main part of this program. The program uses the watchdog as a normal timer and scans the digital tubes in the watchdog interrupt. In addition, I added a display buffer. If you want to d...[Details]
*This article is based on the author's report at the "Embedded System Association Theme Discussion (Total 22nd) - Current Situation and Development Prospects of Internet of Things Operating Systems...[Details]
In January, Android 7.0 Marshmallow surpassed Lollipop three years ago to become the second most used Android version in the world. According to
the latest data from
Google
, a snapshot of d...[Details]
With the large-scale development of the domestic household photovoltaic market and the improvement of component and inverter technology, the system cost has dropped significantly in the past year. The...[Details]
//Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication. //Switch the LED indicator enable switch of the PB po...[Details]
When STM32 uses JTMS (PA13) and JTCK (PA14) as normal I/O ports, add the following code before initialization (the order cannot be reversed): RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); G...[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]
12864 LCD parallel port driver is more commonly used, but considering that sometimes the IO port of the microcontroller or MCU is limited, the serial driver method can be used. The following is ...[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]
FPGA/CPLD
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