I am making a three-phase brushless DC motor drive module. The driver chip is MC33035. Now I am wondering why the N-channel MOS tubes of the lower bridge arm are all turned on (Vgs=13.8v) when I test ...
This is actually using the duty cycle of PWM to control the brightness of the LED. It is a very common function for microcontrollers, but it is even more unimaginably simple under mbed. Before looking...
I am testing the trigger interrupt of P2_0 port, and the configuration is as follows: void Exti_Init(void) {EA = ENABLE; ///Open the general interruptP2IEN |= 0X01; ///Open P2 interruptIEN2 = 1; //???...
[align=left][color=#191919]Recently I’ve noticed that there are MMs hanging in many places...[/color][/align][align=left][color=rgb(25, 25, 25)]Some are lightly made up...[/color][/align][align=left][...
I started using ESP from 8266, and jumped directly from Anxinke's Eclipse development to Arduino. At that time, I heard that Lua could also be used for development. Although I later purchased NodeMCU,...
[size=4] There are three main types of processors that I have come into contact with, general-purpose microprocessors (MPUs), digital signal processors (DSPs), and SPARC platforms (short for Scalable ...
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
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With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
Recently, AstroBo Robot, a subsidiary of Chenxing Automation, launched a new mobile collaborative palletizing product. Leveraging an omnidirectional mobile chassis, an intelligent scheduling system...[Details]
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Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
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The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
With the support and encouragement of national policies, some Internet car manufacturers have also joined the new energy vehicle manufacturing industry. From the perspective of new car manufacturer...[Details]
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Inverter air conditioners are a trend in the current era and have gradually become commonplace in countless households. Beyond their basic cooling and heating functions, air condi...[Details]
For self-driving cars, LiDAR is the sensory organ that allows them to "see the road." Simply put, its operating principle involves sending out a laser beam, receiving the echo, and ultimately gener...[Details]
The evolution of high-speed networks remains guided by the same core objectives: increasing data rates, reducing latency, improving reliability, lowering power consumption, and maintaining or exten...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]