Special reminder, friends who participated in the evaluation, please take a look~
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@lugl4313820@oxygen_sh@ fxyc87The contents of the information package are as follows:Folde...
Does anyone know how to use IAR? I used KEIL before. Now I have a project written in IAR, but it always fails when I compile it. Can anyone help me? Thanks...
Compared with the bleak industry in the United States, China's chip industry is booming. However, don't forget that about 20 years ago, the circuit design industry in the United States was also in its...
LCD is initialized and LOGO is displayed;a trigger signal is given to the ultrasonic module;the output signal of the ultrasonic module is detected, if the detection is high, the timer is started; if t...
Low-power DCDC chips and their application circuits have been widely used in industrial and consumer electronic products. Since the filter circuits and decoupling capacitors in the system give the sys...
As an engineer, I work with power supply design engineers every day. I find that no matter they are veterans, experts or novices, they are almost at a loss when it comes to the design of the control l...
introduction
LED lighting is rapidly gaining popularity among users due to its high luminous efficiency, long service life, simple brightness control and environmental protection. As a new energ...[Details]
The 48V system can bring start-stop, power assist, energy recovery and coasting functions to the vehicle, improving the fuel economy of the vehicle. In addition, if the traffic environment informatio...[Details]
What I want to talk about today is serial port communication, which I think is very important. In the future, USART, Bluetooth communication, 485, etc. will all use serial ports. Interviewers also li...[Details]
On November 11, Hua Hong Semiconductor released its third-quarter performance report, stating that the company's sales revenue hit a new record high of US$451.5 million, up 78.5% year-on-year and 30....[Details]
"I rushed to launch it without being fully prepared, and now the situation is embarrassing," said Gao Dongzhen. As smartphone designs become increasingly homogenized, the Galaxy Fold, a foldable phon...[Details]
Project 1: A power supply in a laboratory broke down. After disassembling it, it was found that the full bridge controlled by UC3875 needed to be repaired . Phenomenon: Preliminary inspection s...[Details]
Test chip: Microchip PIC 18F4550 Integrated development environment: MPLAB IDE v8.53 Compiler: Microchip C18 PIC18 series microcontrollers are high-end series of 8-bit microcontrollers of Microchip...[Details]
There are two triggering modes for the external interrupt of the 51 MCU: level triggering and edge triggering. When the level triggering is selected, the MCU checks the interrupt source line in each m...[Details]
The 2020 third quarter report released by Shanghai Silicon Industry Group Co., Ltd. (hereinafter referred to as "Shanghai Silicon Industry") showed that the net profit attributable to the parent comp...[Details]
Ceramic substrate materials are widely used in power
electronics, electronic packaging, hybrid
microelectronics
and multi-chip modules
due to their excellent thermal conductivity an...[Details]
Q1: I need Vcc1=-4; Vcc2=12; Vcc3=3.3; Vcc4=5 to supply power in sequence. All
power supplies
need to be from 5V, 3A power supply, using dcdc conversion. How to implement this solu...[Details]
China Energy Storage Network:
Blockchain technology is just like the transformation of traditional industries by the Internet. Business models or enterprises will be redefined.
What is t...[Details]
The "Prince of Ning" has suffered for a long time. "King Ning" is so dominant that car companies are almost "unable to stand it anymore". On February 24, battery manufacturer Xinwangda received a...[Details]
Since pulse width modulation technology achieves the effect of voltage conversion and frequency conversion of output voltage by adjusting the frequency and duty cycle of output pulses, it has been inc...[Details]
pc：Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]
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