I recently encountered a rather strange problem when I was studying the embedded development board nrf52832 and using the keil software for simulation. linking... .\Objects\Experiment.axf: Error: L621...
"Someone DK at the college entrance examination site of Yangxian Middle School in Shaanxi!" On June 7, the first day of the national college entrance examination, a college entrance examination substi...
[size=4]Principle of rectifier transformer[/size] [size=4] [/size] [size=4]The principle of rectifier transformer is the same as that of ordinary transformer. Transformer is a device that converts AC ...
Currently, there is a board using TD1509-P5, the output current is about 30ma, the inductor is 47uh/1a, and the output capacitor is a 100uF high-frequency electrolytic capacitor. However, in actual op...
The IT industry is an industry that constantly creates new terms, new hot spots, and miracles. The hottest ones in the telecommunications industry are 3G, NGN, and VOIP. In the Internet, they are undo...
3. Instructions for byte, constant and control operations 1. Transfer immediate value to working register W instruction Instruction format: MOVLW k; k represents constant, immediate value and labe...
2023 is also known as the first year of smart driving. New domestic car companies such as Ideal, Xpeng, Cyrus, and Avita have successively accelerated the layout of urban NOA ( autonomous driving nav...[Details]
Measuring principle of radar level meter The radar level meter adopts the transmission-reflection-reception working mode. The antenna of the radar level meter emits electromagnetic waves, whi...[Details]
I. Introduction
With the continuous development of electronic technology , many household electrical appliances such as color TVs, refrigerators, air conditioners, etc. have been labeled as i...[Details]
One day, your car will automatically drive to a repair shop for a recall using a scheduling app that is not only efficient but also prioritizes which cars need to be fixed. But this is still a long w...[Details]
With the development of technology, the way users buy cars has changed. In the traditional car-buying process, users need to go to the 4S store in person to view cars, select cars, make appointments ...[Details]
Alas, I always wanted to learn bare metal and system together, but I found it very confusing, D drive~~ Then I started running bare metal with 2440 again. The following are some experiences to record ...[Details]
The main factors affecting the correct measurement of infrared temperature are: distance ratio to the target (light spot); field of view; environmental conditions; ambient temperature; emissivity....[Details]
The LTC3883 / LTC3883-1 is a general purpose, single-channel, polyphase (PolyPhase®), step-down controller with digital power system management, high performance analog control loop, built-in dri...[Details]
An oscilloscope is basically a graphical display device that plots a graph of an electrical signal. In most applications, this graph shows how the signal changes over time, with the vertical axis (Y)...[Details]
Reuters reported that the World Trade Organization's chief economist said global trade bottlenecks are more the result of surging demand than supply chain problems and may ease in the coming months. ...[Details]
DC resistance testers are generally used to detect the DC resistance of windings of transformers, motors, etc. Since such equipment has both inductive reactance and (or) capacitive reactance in its...[Details]
Introduction: This design selects the current mainstream MCU ARM11, combines RFID technology, and uses a fixed RFID card reader to collect information, which is sent via the serial port to the data p...[Details]
Skyworth Group (00751.hk) released its 2019 interim results report. During the reporting period, the company's turnover was 17.23 billion yuan, gross profit was 3.387 billion yuan, and gross profit m...[Details]
A delta-sigma ADC is often the primary component of a 10-kilogram scale that can detect a 1-gram change in weight. When designers need to measure temperature to 0.01 degrees, delta-sigma ADCs are ofte...[Details]
The characteristics of modern radar, especially airborne radar digital signal processors, are large input data, complex working modes, and large amounts of information processing. Therefore, in a r...[Details]
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