[i=s]This post was last edited by xinmeng_wit on 2016-12-16 20:45[/i] The LCD routines of STM32F769I-DISCO do not support displaying Chinese characters. I wanted to write a function to support display...
Hal is exactly what we are going to care about next. Next, I will analyze the implementation principle of HAL. HAL is the abbreviation of Hardware Abstraction Layer. I first learned this term in the h...
Analog Electronics 4th Edition 1. P363, Figure 7.3.8 How can increasing the gain near f=f0 make fp close to f0? 2. P364, Figure 7.3.9. "It is possible to increase the voltage gain at f=f0 without caus...
I can't get it out through WebBrowser.text. It's empty. Through WebBrowser.DocumentText, the system debug prompts an error. Error 1 The property or indexer 'System.Windows.Forms.WebBrowser.DocumentTex...
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[Details]
China Energy Storage Network:
Blockchain + finance, blockchain + environmental protection, blockchain + insurance, even a roadside fried chicken shop is using the banner of blockchain + fried...[Details]
Chip: STM32F103C8T6 Application Pin: Output: PA0, PA1 TIM2 CH2 channel To achieve 50HZ (20ms) adjustable PWM output on the PA1 pin, set the system TIMx_CNT=8MHZ=8000 000HZ, set TIMx_PSC=800-1, then T...[Details]
Our photovoltaic power station starts working at 5:30 in the morning. When you are still sleeping, the inverter starts working to make money!
Some people are skeptical. The sun hasn't even...[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]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
From concept proposal, prototype exploration, technology accumulation to product iteration and industrial development,
VR
has gradually expanded from the military market to the consumer market...[Details]
In recent years, in order to meet the needs of social development, more and more companies have entered the fields of smart phones, artificial intelligence,
VR
, AR, etc. After seeing the d...[Details]
Similar to the development trend of photovoltaic modules, photovoltaic inverters are also one of the examples of China's successful localization of manufacturing and leading the global market and tech...[Details]
Photovoltaic inverters are the core equipment of photovoltaic systems. Their main function is to convert the direct current generated by photovoltaic modules into alternating current that meets the...[Details]
STM32 has 2 watchdogs: independent watchdog and window watchdog. Independent watchdog IWDG: A system fault detector that is independent of the system and is not affected by the system because it has ...[Details]
The calculation formula of the watchdog feeding time (watchdog overflow time) is: Tout=((4*2^prer)*rlr)/40 Tout is the watchdog overflow time (in ms), prer is the watchdog clock prescaler value (...[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]
Internal channels of ADC: In addition to using external channels to collect external analog voltage signals, the ADC of STM32 also has two internal channels 16 and 17. Channel 16 is connected to ...[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]