In test systems, RC filters are often used because the signal frequency is relatively low in this area. The RC filter has a simple circuit, strong anti-interference ability, good low-frequency perform...
In this era of multiple lifestyles, how can we expect to go beyond trends? A pair of ragged socks is nothing more than a garment? We can make a difference: add kinetics, a pair of light bulbs so they ...
First, let me introduce the model I applied for, MB85RC256VE, which is 256Kb in size and can store 32K bytes of data. The interface is: SCL, SDA. The power supply voltage is 2.7V~5.5V.I connected A0, ...
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]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
Some experience we have accumulated when debugging a system using Keil C
1. Since Keil C does not support Chinese very well, the displayed cursor will be inconsistent with the actual cursor positi...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
1 Working Principle
This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer and adopts the MCS-51 assembly language to design a microwave pu...[Details]
Modern smartphones are sleek and powerful, and while the size of the phone varies depending on the model, in general, a state-of-the-art device packs a lot of features into a package that measure...[Details]
1. MC68360 chip introduction
MC68360 is a highly integrated 32-bit general-purpose communication controller, widely used in communication equipment. Its main features are as follows:
The e...[Details]
This design uses AT89C51 microcontroller as the core and 4*4 matrix keyboard as input to control the start, stop, speed and direction of the DC motor, completing the basic requirements and the requ...[Details]
The main application of LED driver IC is in LED products, such as LED lighting, LED display, LED advertising screen, etc. Such products are generally expensive, so the price is very high. LED products...[Details]
There are many ways to design LED flashes using transistors, operational amplifiers, 555 timers, and even relays, and dedicated ICs for driving LED flashes have also appeared, such as the LX1990......[Details]
In order to remove the odor in the bathroom in time, many families have installed ventilation fans, but some guests or children often forget to turn on the ventilation fans. In order to solve this ...[Details]
Speaking of
the love and hate of
white light LED
, we have to mention the brotherly feud between RGB and white light LED. These two have the same goal, both want to achieve the effect of whit...[Details]
Power technology
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