[align=left][color=#333333][font=微软雅黑, arial][font=微软雅黑] LCD segment screen brightness is an indicator of display clarity. Passive display LCDs are expressed in contrast, generally 5:1~20:1, while act...
[i=s]This post was last edited by dql2016 on 2021-6-29 10:47[/i]After the connection is successful, the data collected by RSL10 is sent to the WeChat applet in the form of notification. Previously, th...
dql2016onsemi and Avnet IoT Innovation Design Competition
The flash can be erased and written normally. . . .The firewall is turned off, and ipv6 is also disabled... Baidu can't come up with any other solution......
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
Hall sensor
is a semiconductor element that works by using the Hall effect. Due to the high conversion efficiency, fast response speed, wide dynamic range, good frequency characteristics and ...[Details]
The development of the machinery manufacturing industry from single-machine automation to distributed DNC control systems requires the first technical solution to the information exchange and inter...[Details]
With the development of military equipment, its functions are becoming more and more powerful, the equipment is becoming more and more complex, and the requirements for test systems are becoming highe...[Details]
1. Fieldbus Technology
The blast furnace gas washing system is to purify the gas recovered from the blast furnace through the washing tower and then send it to the user. The original conve...[Details]
Abstract Using FPGA control module, the OLED true color dynamic image drive control circuit is designed. The method of using FPGA to realize OLED peripheral control circuit and 256 grayscale is int...[Details]
Infrared technology has been widely used in speed measurement systems, and many products have used infrared technology to achieve vehicle speed measurement, detection and other research. When infra...[Details]