The timing is in the picture, and it always dies in the second while. But when I check it with an oscilloscope, DHT11 does not return a low level of about 80us. Can someone please give me some advice?...
1. Intelligent device platform WM6.5, PC programming VS2008 C# 2. When running my own application software, it prompts: Error: An error occurred in mobileClient.exe. Please select "Exit" and restart t...
[i=s]This post was last edited by ctqvsly on 2014-8-22 20:05[/i] [size=4][color=#000000]Refer to other people's processes and practice them yourself[/color][/size]:) [size=4][color=#ff0000]Experience ...
Compared with other compilers, CCS has its own strengths, and some of its highlights are unmatched by other compilers. What are its specific features? I have discovered some tricks in my use. I hope y...
[i=s]This post was last edited by qwqwqw2088 on 2021-3-12 08:47[/i]1. Import the netlist2. Draw the PCB borderThe PCB outline is placed in the Edge.Cuts layer.Descriptive comments can be placed as req...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
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