Inspired by shicong's jokes, I thought of some stories in my memory. Why not have a storytelling session? Tell us about the most unforgettable, funniest, scariest, most thrilling... stories in your me...
[i=s]This post was last edited by damiaa on 2022-9-5 10:46[/i]【Jiajiabao】 esp32s2 mqtt analysis
1,【Jiajiabao】Analyze esp32s2 wifi sta and then analyze mqttThe wifi is initialized in app_main.c (see es...
1. Overview
Generally, a radio mainly uses an antenna to receive electromagnetic waves, and then amplifies the electromagnetic waves, filters them , mixes them , demodulates them , and plays them. The...
I am a DSP beginner and want to convert the block diagram of Simulink into C code and run it on DSP. My settings in RTW toolbox are: Solver: stop time select inf type select fixed-step hardware implem...
I have just started to learn MCU. Recently, I want to use MCU to control the opening and closing of MOS tube. Just opening and closing is enough. I want to use MCU to directly control the gate level. ...
When a general user of the embedded file system executes su root to switch to the root user, an error message appears: su: must be suid to work properlySolution: Modify busybox permissions, chmod 4755...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
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