[i=s]This post was last edited by Baboerben on 2022-4-20 16:33[/i]I don't have 1n5822 on hand, and I'm in a hurry to do the experiment. I use a transistor to replace the diode at 5822 as shown in the ...
Our company wants to make a washing machine that uses a brushless DC motor.The back EMF is a trapezoidal wave.
I bought a development board and the seller has a program, but he said the back EMF is a ...
[i=s]This post was last edited by dcexpert on 2022-8-3 21:37[/i]The reason I participated in the Digi-Key event this time was to prepare to make a portable programmable meter that is small in size and...
[i=s] This post was last posted by fish001 on 2018-8-27 20:25 Edit[/i] [size=4] In embedded development, older developers are more accustomed to using C language; and young people are also taught in C...
[i=s] This post was last edited by Renjianjingpin on 2020-7-22 11:36[/i]This solution is a method for implementing wireless Modbus communication between Kunlun Tongtai touch screen and four DTD433FC w...
I bought a circuit board with only one micro power connector. I want to use a battery (3.6V) for power supply. I can add a set of pin headers, and then connect the positive and negative poles of the b...
1. Thumb instructions and ARM instructions Thumb instructions are 16 bits, so the code storage density is high and the storage space is saved. However, the functions are not complete. It is just a su...[Details]
Recently, Sichuan Power Exchange Center comprehensively summarized the operation of Sichuan power market in 2019 and compiled the "Sichuan Power Market 2019 Annual Report" for reference by market p...[Details]
In the circuit shown in the figure, a 4 X 4 keyboard is connected to the P1 port. Assume: SO-S9 are numeric keys, with key values of 0-9, used to input data to the single-chip computer system; S10...[Details]
Fundamentals and Applications of High-Power, Low-Value Current-Sense Resistors
Basics of Current Sense Resistors
There are many different techniques for sensing current in a...[Details]
Portable systems often use LEDs of different colors-white for the display backlight, green for keypad illumination, red for power, etc., and in varying quantities of each. Typically the LEDs are drive...[Details]
In order to reduce pollution, save water and reduce emissions, it is necessary to strictly measure and control domestic water, industrial water, circulating water and discharged sewage. Flow measurem...[Details]
Do you still remember the magical machine "Gaishi Rabbit" back then? It is reported that Galaxy SⅡ is Samsung's flagship mobile phone released in 2011. In that era when domestic mobile phone...[Details]
Design of L-Band Low Noise Amplifier
introduction
Low noise amplifier (LNA) is a key microwave component in electronic systems such as radar, communication, electronic countermeasure, telemetry...[Details]
In the development, production and preparation of weapons, it is necessary to frequently test the speed of projectiles. The traditional methods mainly include two types: zone interception devic...[Details]
GigaDevice, Zhaoxin, Bitmain, Wenan Intelligent... the integrated circuit design "V-shaped" composed of leading enterprises, unicorns, backbone forces, and start-ups is taking off in the northern par...[Details]
Motion control technology is the key foundation of manufacturing automation, and its level is an important indicator of a country's industrial modernization. Researching and developing motion control...[Details]
As we all know, the internal memory of 51 is divided into data memory RAM and program memory ROM. Taking AT89c51 as an example, it has 128 bytes of random access memory (also known as data storage R...[Details]
This year, major cloud vendors have released proprietary automotive clouds. In the era of intelligence, cloud migration has become a standard feature of cars. Huawei, Tencent, Baidu, and Alibaba are ...[Details]
This paper discusses the design of converting the interface between RS232C and GPIB (general-purpose interface bus) by controlling Intel8251A and MC68488 interface chips with AT89C51 single-chip mi...[Details]
—— Today, the highly anticipated elexcon2024 Shenzhen International Electronics Exhibition opened grandly at the Shenzhen Convention and Exhibition Center (Futian).
The exhibition brought to...[Details]
Power technology
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