[align=left][color=#ff0000]Datang Telecom DTT written test questions[/color][/align][align=left]1. The sequence is 6, 10, 18, 32, "?", what is "?"? 2. Someone buys x at 70, sells it at 80, buys it bac...
I am developing an electronic design that can continuously drive the motor to rotate (about 10S); however, due to battery power supply (4.5-6V), the battery voltage drops and seriously affects the mot...
[i=s]This post was last edited by Aragorn on 2015-5-7 19:26[/i] [media=x,500,375]http://video.weibo.com/show?fid=1034:9a21b8cdd267e3763e8f53a69fe3afff[/media]...
[table=98%,rgb(238, 238, 238)] [tr][td]Use STM32F407 series MCU to drive OV2640Camera, read out 320*240 JPG picture array, now want to put time information on it, how to do it? I have never done pictu...
I have written some simulation models, and now I hope to turn them into callable modules so that I don’t have to copy them every time I use them.
Please let me know if anyone has done this before, cou...
1. What modules does an embedded system generally contain? What functions does the software generally perform? Why should we use an embedded real-time operating system? What are the benefits? 2. List ...
The global PV inverter market will shrink from $6.3 billion in 2017 to $3.7 billion in 2022 due to falling prices, according to GlobalData.
Global PV Inverter Market Value to Shrink to $3.7 Bil...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
12864 LCD parallel port driver is more commonly used, but considering that sometimes the IO port of the microcontroller or MCU is limited, the serial driver method can be used. The following is ...[Details]
The frequency calculation formula of the PWM wave generated by the output comparison mode of the timer is: 72M/((2*(arr+1))*(psc+1) ) For example, if you set: PWM_Init(1000-1,72-1); (PWM_Init(arr,psc...[Details]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]
Manually assemble the following program machine code and analyze the execution function of the program segment. CLR A MOV R2, A MOV R7, #4 LOOP: CLR C MOV A, R0 RLC...[Details]
It is required to use timer/counter 1 for timing, with a timing of 1 second; timer/counter 0 for counter, and the external pulse to be counted is connected from P3.4 (T0). The microcontroller will co...[Details]
Caijing reporter exclusively learned that
Huawei
will merge and reorganize a number of departments in the near future. Some cloud-related business lines will be incorporated into the Cloud ...[Details]
After the first public release of the prospectus of CATL, a new vitality was injected into new energy vehicles. According to market speculation, CATL is expected to issue at around 60 yuan per shar...[Details]
This article will introduce how to make an electronic keyboard using SPCE061A, and provide source code. If you have an experiment box from Lingyang University, it will be easy to complete, just a mat...[Details]
It has been a long time since I updated my disassembly work. This time, I bring you the belated disassembly of the Honor V10 Premium Edition. Let's follow the mobile phone portable editor to learn...[Details]