We are using LCD to display a specific waveform recently, but we need to read it back. From the LCD (ST7920 controller) data, we can read the data in DDRAM and GDRAM, but we have not succeeded. Since ...
MP3 chargers are one of the most easily damaged accessories. After repairing many types of chargers, I found that they basically all use switching power supply circuits, and the circuit structures are...
[url=http://www.tudou.com/programs/view/bJ-JtipiUZE]http://www.tudou.com/programs/view/bJ-JtipiUZE[/url] Haha, I couldn't copy the video but it's quite funny...
Article author: gaosi Article source: Mobile 3G website www.Goes3G.com/ Free WAP sites have gradually become a hot topic. In these sites, all resources including ringtones, games, dating, videos, and ...
Gpio module:
GPADIR determines whether it is input or output open-drain (open-drain) and push-pull (push-pull)GPAMUX selects the function pinGPADIR direction registerGPACTRLGPAQSEL
1. GPxMUX registerg...
1. Cut the test program of the development board so that RTC can automatically update the time in the terminal. 2. Add these sentences while(){ GUI_DispDecAt(year,300,60,4); / GUI_DispCharAt(':',365,6...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[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]
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]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[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]
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]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]