The VCC of the microcontroller (STC89C52) is 5V, and the VCC of the GPS (MTK M89) is 4.3V. RXD is connected to TXD, and TXD is connected to RXD. When I use a multimeter to measure the serial port of t...
With the global popularization and advancement of cellular wireless communication technologies represented by 4G and 5G, and the vigorous development of communication technologies in various professio...
Does anyone have the schematic diagram of this power supply? Or something similar is also OK. I want to modify it into a power supply with adjustable current and voltage....
To solve signal integrity problems, it is best to have multiple tools to analyze system performance. If there is an A/D converter in the signal path, it is easy to find three basic problems when evalu...
Why do I have to disconnect the power and reconnect it every time I burn the program to work properly? If I don't disconnect the power, there is no response at all. It's really strange! Please help me...
Recently, the " ZTE
incident"
caused by the Sino-US trade war
has caused heated discussions in the electronics industry. It not only reflects that Chinese companies are lagging behind in the...[Details]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[Details]
In Windows environment, the source code is encoded in UTF-8. If the source file created by STM32CubeMX contains Chinese comments, then using STM32CubeMX to regenerate the source code will cause the C...[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]
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]
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]
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]
With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
WPG Holdings announced that its subsidiary Youshang has launched a wireless smoke alarm solution based on STM and Semtech . With the development of the national economy and the enhancement of...[Details]
Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[Details]
The STM32 watchdog has two WWDG and IWDG. The biggest difference between the two is that IWDG has only one lower limit for feeding, while WWDG, as the name implies, must be fed within a range to ensu...[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]
Caijing reporter exclusively learned that
Huawei
will merge and reorganize a number of departments in the near future. Some cloud-related business lines will be incorporated into the Cloud ...[Details]
According to the design requirements, the maximum voltage gain ≥ 60dB is achieved within a wide signal bandwidth (0-10MHz), and the ability to continuously adjust the gain or preset the gain in 5dB...[Details]
/*34864 Chinese character library*/ // Connection of MCU //******************************************************** //p3= data port //p4--control port// p4.0 = rs //p4.1= r/w //p4.2= e //...[Details]