Please help me, friends! ! As the title says, an IO port is used as input, initially at a low level, and receives a high level signal. 100 points are sampled relative to this high level. If all 100 po...
Due to the urgency of another project in recent months, the test of KW41 was mainly arranged for several idle brothers in the company. I could only take a look and test occasionally, so I didn't repor...
[color=red]stm32 PD12 outputs PWM wave, using TIM4_CH2, PB6 port can output, but PB12, TIM4_CH1 can't, port multiplexing can't work, I don't know what's going on, help me[/color] #include"stm32f10x.h"...
STM32's UART does not have FIFO. When the communication speed is high, the overhead of not using DMA is too high (LM3S has a 16-level deep FIFO that can trigger an interrupt when it is 7/8 full, with ...
With the development of digital video and image processing technology, digital video technology is also improving, especially MPEG audio technology based on ISO/IEC. MPEG audio is divided into layer I...
[i=s]This post was last edited by paulhyde on 2014-9-15 08:55[/i] The article was written in Google Docs. It is quite long and contains pictures. It is difficult to transfer it. You can directly view ...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
Microcontroller MCU
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