Hello everyone, I'm playing with DHT11 recently, and I want to use the serial port to send data to the serial port assistant of the computer. It works if I send the specific value I give, but it can't...
-Expert in C++, embedded programming, Unix, MFC, Vxworks -Work experience of more than 2 years -Education requirement: bachelor degree or above -Proficient in English listening, speaking, reading and ...
The cross-sectional area and current of wires are estimated by the following formula : 10 is 5, 100 is 2, 25.35, 43 is 75.90 is two and a half times, and the wire is in a tube. The temperature is 80% ...
Noise can be a random or repetitive signal, generated internally or externally, in the form of voltage or current with wideband or broadband, high frequency or low frequency. (Here, we define noise as...
At the end of boot, the OEMLaunch function is called to jump from BOOT to the Startup of oal. The following is the prototype of OEMLaunch: void OEMLaunch(DWORD dwImageStart, DWORD dwImageLength, DWORD...
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]
For STM32, there are two ways to reset the software: 1) Use the official software library The system reset function is directly provided in the stm32f10x_nvic.c file of the official software li...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
Artificial intelligence
There is no inherent bias in AI. It does not "think" something is true or false for reasons that cannot be explained by logic. Unfortunately, human bias exists in mach...[Details]
ZTE was punished, and Hou Weigui, who had already retired, had to come out of retirement again and run around to mediate. Let's follow the embedded editor to learn about the relevant content.
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Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[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]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[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]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
International Solar Photovoltaic Network News: On November 21, Australia's SMA Solar Technology Co., Ltd. signed a contract with the local government to provide photovoltaic inverters with an insta...[Details]
In summer, the shell temperature of the inverter is relatively high and it feels hot to the touch. So is it better for the inverter shell to be hot or not? And why does the shell feel hot? The foll...[Details]
Qi Zhixin, director of the Science and Technology Equipment Department of the National Energy Administration, said that the "Guiding Opinions on Promoting the Development of Energy Storage Technolo...[Details]
September 19, 2017, Shanghai, China - Today, Shenzhen Shengnengjie Technology Co., Ltd. officially launched the new SE series household three-phase photovoltaic grid-connected inverter, which is ...[Details]
This article briefly describes the shortcomings of traditional photovoltaic power generation system inverters and the advantages of transformerless photovoltaic inverters. It also discusses the factor...[Details]