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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]

background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware.  STM32F...[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]

At present, in the world, the construction of smart cities is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[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]

In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]

In mid-to-late 2016, a girl from Hubei came to Beijing alone, full of curiosity about cloud computing . The girl left the deepest impression on me was her lovely smile. She told me that if ...[Details]

Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The  ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]

1. Function and purpose         There are two pins BOOT0 and BOOT1 on each STM32 chip. The level status of these two pins when the chip is reset determines which area the program starts from after th...[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]

#include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f ,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; unsigne...[Details]

Try to design a subroutine, whose function is to rearrange the 6 single-byte positive integers in the internal RAM pointed to by (R0) in ascending order.  ;========================================== ...[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]

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]

I read the description of I/O ports in the M16 manual, which says that you can use the internal pull-up resistor by setting DDXn=0, PORTn=1, PUD=0. Since this can be used, when using the key circuit,...[Details]