Many computer systems contain radio transmissions, including Wi-Fi, Bluetooth, and 3G devices. These devices consume power, which is wasted when the devices are not in use. RFKill is a subsystem in th...
Source: https://www.hackster.io/atul-john-abraham/timer-based-led-keychain-48acadTimer Based Led Keychain. The keychain has an IC-555 which controls the blinking time of two LEDs. The 555 timer IC is ...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:00[/i] Our solution cannot reach very high targets, but more than 100M is still easy. The advantage of the solution is that it uses IC, which...
Use timer 0 to trigger EDMA events, send a set of data in the memory to SDRAM, call EDMA interrupt to move the data to the memory. Data can be sent to SDRAM, but EDMA interrupt cannot be entered. What...
[font=微软雅黑][size=4]As the title states[/size][/font] [font=微软雅黑][size=4] [/size][/font] [font=微软雅黑][size=4]How to tin a bare board/bare board? The board has been coated with solder mask ink but the co...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
RF/Wirelessly
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