[p=30, 2, center] I had nothing to do recently, so I made a simple thing with LPC812. When debugging the watchdog, I found a strange problem: When assigning values to the watchdog registers, I found t...
[b]Introduction[/b] The long-term use of LED clock display will produce a certain cumulative error, so it needs to be corrected after a period of use. However, large-screen clock displays are usually ...
[i=s]This post was last edited by dcexpert on 2018-4-7 18:06[/i] In order to test the function of RTC, a super capacitor was added to the first version of pyboardCN to power VBat. A 0.22F super capaci...
In FPGA design, addition, subtraction, and multiplication are described using Verilog HDL language. It is very simple, directly +, -, *, without any doubt, but the bit width of the signal in the calcu...
[size=2]I have played with Ansys software for a few days and found it quite interesting and helpful. Judging from the online charges, it is also good for commercial use. In the following articles, I w...
[i=s] This post was last edited by ligongxiaobie on 2014-10-31 10:35 [/i] [color=#ff0000] Now a new phenomenon has appeared. A board can be programmed using JTAG. CONF_DONE is also set high, and the n...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]