I used KernelIoControl to get the LCD display buffer (16-bit color). Then I wrote the color directly to this buffer, as follows: for(i=0;i
Solved it myself, haha.
Congratulations
Haha, I was worried t...
The left side of the watch is the time, and the right side is the minutes. To know the time, just count the abacus-like light grids on the left. If 9 grids are lit, it means nine o'clock, plus the min...
In order for a microcontroller to complete a basic task, the task must be broken down into some specific steps, and then it must be required to execute each step one by one, and it must also be comman...
modelbrandEncapsulationPackageStock quantityLL4148FairchildSOD-802500PCS/ disk500000
Switching diode LL4148, switching speed less than 4.0NS; maximum power dissipation 500mW; high voltage stability an...
[i=s]This post was last edited by wpsxqk on 2019-11-12 22:46[/i]Is the red box in the picture below a short circuit? How to solve it?
Can setting rules solve the problem?
Class Document Source Message...
How to control the 48 output points Y0.0~Y5.7 to all 1 through two buttons (X0.0+X0.1), what instructions to use, how to write it more conveniently, please give me some advice...
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]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
1 Introduction
Automatic Test
System The ATS (Automatic Test System) integrates all the stimulus and measurement equipment required for testing.
The computer
efficiently comp...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
TPMS is the abbreviation of "Tire Pressure Monitoring System". It is mainly used to automatically monitor the tire pressure in real time when the car is driving, and to alarm for tire leakage and l...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]