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How should I interpret the circuit here? The gate and drain are shorted together. Since the I/O port of the microcontroller can only withstand 0 to 5 V, the output signal needs to be pulled to12 V so ...
I use a brushless sensorless motor board. The motor starts to rotate fine at first, but after accelerating to a certain degree, the motor vibrates violently and the speed cannot be increased. What is ...
In 430, one clock cycle = the inverse of the MCLK crystal oscillator. If MCLK is 8M, then one clock cycle is 1/8us;one machine cycle = one clock cycle, that is, each action of 430 can complete a basic...
As shown in the figure below, the terminal block is a double-layer pluggable terminal block
What does the number of positions in the red box in the picture mean?
It looks like there are 20 interfaces ...
Dual Tone Multi-Frequency (DTMF) signaling is gradually being used on touch-tone telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because it ...[Details]
On October 30, the 2020 China (Shenzhen) Integrated Circuit Summit was held in Nanshan District, Shenzhen. At the integrated circuit design innovation forum held in the afternoon of the conference, G...[Details]
Electrification is the current development direction of the Chinese auto market, but each brand has its own choice of technology route. Most domestic and German brands believe that pure electric is t...[Details]
Recently, I have been on a business trip and visited many users of electronic instruments, including college teachers, R&D engineers, production test engineers, etc. The two most frequently asked...[Details]
As an important part of cold chain logistics, the market size of cold storage is growing day by day. Currently, most of the cold storage transportation scenes are completed by manual forklifts. Due...[Details]
Application of Hall Current Sensor in Inverter
In the inverter, Hall current sensors are used for ground fault detection and analog quantity sensing on the direct side and the AC side to ensure tha...[Details]
IT Home reported on March 23 that similar to the leak of China Telecom, T-Mobile has now also leaked the complete parameters of the OnePlus 9 series, and the price is expected to be between 4,...[Details]
Xu Bingyin, dean of the Smart Grid Research Institute of Shandong University of Technology and doctoral supervisor, has long been committed to the research of distribution network relay protection ...[Details]
On December 26, the 2022 China International Charging Pile Operator Conference/BRICS Charging Forum Roundtable was held in Shenzhen. The theme of this BRICS Charging Forum was "Optimizing Operation...[Details]
Power amplifier, referred to as "power amplifier". In many cases, the rated output power of the host is not enough to drive the entire audio system. At this time, a power amplifier must be installe...[Details]
1. Principles of timers and counters They automatically increase by 1 with the input pulse of the counter. For each pulse, the counter automatically increases by 1. When the counter is all 1, anoth...[Details]
Resistive temperature sensors, or RTDs, are a class of sensors whose resistance changes when the temperature of the medium they are inserted into changes.
This change in resistance is pr...[Details]
"In the entire LED industry chain, upstream fields such as epitaxy and chips account for 70% of the profits." Zhang Xiaofei, CEO of Gaogong Online and director of the LED Industry Research Center, ...[Details]
In the field of industrial robots, ABB (Asea Brown Boveri) is one of the world's leading manufacturers, and its products are widely used in industries such as automobiles, electronics, and food and...[Details]