[i=s]This post was last edited by qwqwqw2088 on 2022-3-16 16:52[/i]It's not fun anymore. The supplier just called and said that the delivery time of 4G modules is about 4-6 weeks, and they have to be ...
At present, mobile phones have become one of the necessities of modern life. The privacy of mobile phones makes the information on users' mobile phones closely related to their own interests. Once a m...
I receive data in the code like this: string str = comm.ReadExisting(); After receiving it, the content in str is: "AT+CMGL=\"UREAD\"+CMGL: 0,\"REC UNREAD\",\"13581640170\",0,4\0.NY??\0J\0d\0g\0+CMGL:...
I write under evc3.0 IDR_EDITMENU MENU DISCARDABLE BEGIN MENUITEM "Dictionary", ID_DIC POPUP "メニュー" BEGIN POPUP "Settings" BEGIN POPUP "SIZE" BEGIN MENUITEM "Large", ID_BIG MENUITEM "Medium", ID_MID M...
AdcaRegs.ADCCTL1.bit.INTPULSEPOS = 1 This sentence should be that the interrupt pulse is generated one cycle before the ADC result is latched into the result register EPwm1Regs.ETPS.bit.SOCAPRD = 1 1 ...
[size=4]I think this thing is good. I want to get 300 of them to play with. Does anyone know how to contact me? I think the advertisement says it costs 1 yuan per piece? [/size]:pleased:...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[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]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[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
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]