The hardware guy in our company drew a board and wanted to modify it by adding a wire, but the guy resigned.My boss asked me to do it. I added a wire directly to the PCB without going through the sche...
(1) The power line is an important way for EMI to enter and exit the circuit. Through the power line, external interference can be transmitted to the internal circuit and affect the RF circuit indicat...
This is a DS waveform of a flyback switching power supply. How is the peak voltage in the T1 area generated? How are the oscillations in the T2 and T4 areas generated? And why is the voltage in the T3...
[i=s]This post was last edited by sylar^z on 2020-9-22 20:23[/i]In the previous evaluation, I have built XRDP remote desktop service, DLNA , FTP , ARIA2 and real-time status monitoring website service...
In arm systems such as arm cortex-A9 (instruction set arm-v7), what does cache latency specifically mean? How is it calculated? At which stage does it start? At which stage does it end? When does the ...
I bought the [W806 Lianshengde development board] on Taobao for a few dollars. It is said that the main frequency is 240Mhz. After getting the board, I tested the lighting program first according to m...
High-voltage capacitors also have the function of improving the efficiency of microwave oven circuits. Because there is a lagging leakage inductance current when the leakage transformer is working, th...[Details]
The lighting system is closely related to people's lives, but most of the lighting systems today use various ordinary switches to turn lamps on and off, and the light brightness is also adjusted th...[Details]
According to foreign media reports, American technology company Draper has developed a new sensor that allows self-driving cars to have more reliable observation capabilities when driving in rain, sn...[Details]
Abstract: This paper introduces the application of AMC series multi-circuit intelligent monitoring unit in intelligent power distribution circuit, which integrates the measurement, metering, switch...[Details]
With the advent of the era of smart driving and smart cockpits and the rise of AI technology, automotive intelligence has become the goal and demand orientation of various companies around the world....[Details]
Introduction: The cost performance of AVR microcontroller is much higher than that of 51 microcontroller. 1. High speed, RISC, and the main frequency can reach up to 20MHZ. 2. Low power consumption a...[Details]
LED (Light Emitting Diode) is mainly composed of five materials: bracket, silver glue, chip, gold wire and epoxy resin. LED is a semiconductor that can convert electrical energy into light energy. It...[Details]
The following error occurs when compiling a project with STVD+COSMIC (loading someone else's project): #error clnk Debugdemo.lkf:47 can't openfile crtsi0.sm8 #error clnk Debugdemo.lkf:60 can't openfi...[Details]
According to foreign media reports, South Korean startup Bitsensing hopes to build a radar infrastructure on the road to improve road safety, especially in the era of self-driving cars. The company h...[Details]
If 6G works as planned, it will bring benefits to many vertical market segments.
The rollout of 6G will open the door to major changes and possibilities for many problems, but whether the ...[Details]
Among various RF power amplifier linearization technologies, feedforward technology has high linearity and bandwidth, but its circuit structure is complex, expensive, and low-efficiency. It is main...[Details]
unsigned char xdata pbuf ; //data buffer
for(i=0;i 512;i++)
pbuf =i; //Write 0~255 0~255 to the data buffer, a total of 512 bytes
UART_Send_Str("Loading into buffer completed");
Today, I...[Details]
//The clock source of the independent gatekeeper is the internal low-speed clock 128khz divided by 2, which is 64khz
//Select IWDG_Prescaler_128
//64/128 = 0.5 khz 2ms period
#define IWDG_500MS...[Details]
The super-large X50 Pro+ in the vivo X50 series was officially introduced to everyone at yesterday's new product online tasting event. As an imaging flagship phone, the vivo X50 Pro+ features a super...[Details]
According to the Science and Technology Innovation Board Daily, Huawei's 2020 Q3 financial report shows that in the first three quarters of 2020, the company achieved sales revenue of 671.3 billion y...[Details]
PCB Design
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