Learn laptop computer repair in 21 days [url]http://pan.baidu.com/share/link?shareid=2470206233&uk=1879458971[/url] The file is large, so I put it in my Baidu cloud disk...
[i=s] This post was last edited by dontium on 2015-1-23 13:24 [/i] When I was using the hello example in ccs, I found that there was no problem with outputting characters using puts(), but I could com...
My design tools: VS2005 C# Smart Devices. (Windows CE 5.0) message is processed. In many programs, the wndproc() method is also used on msdn to receive messages. And the instructions are unique to win...
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...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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 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. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[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]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[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]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]