I found that there is a feature when the phone is turned on: 1. When it is turned off, long press the power button to turn it on normally 2. When it is turned off, plug in the USB to charge and it wil...
Develop good programming style[ Print ][ Return ]Use descriptive names for global variables and short names for local variables. Use actionable names for functions. Be consistent.Indent to show progra...
[i=s]This post was last edited by ienglgge on 2018-10-26 17:54[/i] ubuntu 16.04,ros needs to install the corresponding package [url]https://github.com/ros-drivers/camera_umd[/url] When running rosrun ...
The C2000 microprocessor with C28x+FPU architecture adds some registers and instructions to the original C28x fixed-point CPU to support IEEE single-precision floating-point operations. The floating-p...
There are two ways to reduce the cost of photovoltaic power generation: make solar cells more efficient and reduce their production costs. With advanced solar cell metallization, both approaches ca...[Details]
Relays are often used as electrically control
led
switches. Unlike transistors, their switch contacts are electrically isolated from the control input. On the other hand, the power dissipation in...[Details]
1. System Overview The modules used in the system include AT89C51 microcontroller + LCD1602 display + DS18B20 temperature measurement + buzzer alarm + button + fan cooling + small light. The system...[Details]
On February 19, Mao Weiming, Chairman and Secretary of the Party Committee of State Grid Corporation of China, and his delegation visited State Grid Jibei Electric Power to investigate and guide ep...[Details]
Let me first briefly introduce EMI: EMI is translated into Chinese as
electromagnetic interference
. In fact, all electrical equipment will have electromagnetic interference. It's just that t...[Details]
Take KEY2 controlling LED3 on and off as an example: 1. Polling method 【0】Detect button k2. When button k2 is pressed once, LED2 flashes once. 【1】Check the schematic diagram, connect the pins and c...[Details]
In the ARM system, there are usually three ways to control the execution flow of the program: During normal program execution, the value of the program counter register (PC) increases by 4 bytes fo...[Details]
5G is not only a big test for mobile phone battery life, but also the pressure on operators' base stations cannot be underestimated. At the "2020 Communications Industry Conference and the 15th Com...[Details]
With the rapid development of the domestic new energy vehicle industry, the number of electric vehicles in China has reached 3.34 million. In the process of rapid development, many historical problem...[Details]
Optical oscilloscopes are mainly used in situations where waveform traces need to be recorded. For example, they can record the dynamic conditions of motors during startup and the transient regulati...[Details]
The promotion and use of smart meters is a livelihood project that benefits the people. It has greatly improved the electricity conditions of rural residents, improved the automation level of distrib...[Details]
Japan's Honda Motor and Isuzu Motors will jointly study the use of hydrogen fuel cells as a power source for heavy-duty trucks, a move that could pave the way for wider use of the technology. Honda...[Details]
Although the decline in European PV and energy storage demand is within investors' expectations, it remains a mystery how much it will decline. Last Friday, SolarEdge (SEDG), an inverter company li...[Details]
The main programming language of ABB industrial robots is RAPID (Robot Application Programming Interface for Development), which is a high-level programming language designed specifically for indus...[Details]
Linux and Android
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