Step 1: Calibration.In addition to the cable to be tested, another auxiliary cable is also required. The ZVB8 vector network analyzer (hereinafter referred to as VNA) we use has two ports: Port1 and P...
[align=left][color=rgb(51, 51, 51)]During the circuit design process, applications engineers often overlook the layout of the printed circuit board (PCB). The problem often encountered is that the cir...
Debug Log 2
Using Hardware SPI
The speed of the simulated SPI last time was a bit impressive, this time I use hardware SPI
csi_gpio_pin_t pin_clk;
csi_gpio_pin_t pin_mosi;
csi_gpio_pin_t pin_cs;
csi_g...
From October 28 to 30, 2021 , at the Shenzhen World ExhibitionConvention Center (Bao'an New Hall) , the member exhibition of the 2021 South China International Intelligent Manufacturing, Advanced Elec...
Motion detection is an important part of security system and PIR sensor is one of the most commonly used sensors to trigger alarm when motion is detected. This sensor can easily detect the motion of p...
A while ago, I happened to see the registration for the Digi-Key Innovation Design Competition, and I took part in it with the mentality of giving it a try. Fortunately, I was selected in the first ba...
On April 26, Xixian New District Fengdong New City signed an investment agreement with Shenzhen Shenghong Electric Co., Ltd. Yang Renhua, Secretary of the Party Working Committee of Xixian New Distric...[Details]
This inverter has the following features: 1. Single polarity frequency multiplication modulation, the carrier is set to 14.7K, and the actual post-stage LC works at the multiplication frequency of 29...[Details]
1 Ways to detect event occurrence: polling and interruption
2 S3C2440 abnormal interrupt system block diagram
An interrupt is a type of exception.
Switching betwe...[Details]
Cell phones, Bluetooth headsets, satellite radio, AM/FM radio, wireless Internet, radar, and countless other potential EMI sources mix up in the real world. To ensure that the electronic components i...[Details]
To the people's governments of all counties (cities and districts) and relevant municipal departments:
The "Three-Year Action Plan for Accelerating the Construction of New Energy Electric Vehi...[Details]
According to foreign media reports, automotive vision technology innovator Foresight Autonomous Holdings is using advanced vision technology to improve 3D perception to increase accuracy and road saf...[Details]
1. ADC Introduction STM32F103 has at least 2 AD analog-to-digital converters, each ADC has 18 channels, and can measure 16 external and 2 internal analog quantities. The maximum conversion frequency ...[Details]
The microcontroller source program is as follows: #include reg52.h #include"MLX906.h" #include"LCD1602.h" #include"EEPROM.h" #include"I2C.h" #include"WT558D.h" #include"USART.h" sbit red =P3^3; sbit...[Details]
PUSH push instruction Instruction format: PUSH source Instruction function: Push the source operand onto the stack. The source operand can be a 16-bit general-purpose register, a segment register, or...[Details]
China Energy Storage Network News:
On December 21, in order to thoroughly implement General Secretary Xi Jinping's new energy security strategy of "four revolutions and one cooperation", buil...[Details]
80C51 has four storage spaces in its physical structure: on-chip program memory, off-chip program memory, on-chip data memory, and off-chip data memory. But logically, from the user's point of view, ...[Details]
1. Files needed to build a development environment ST library: https://pan.baidu.com/s/1Nt5SCaaZZ2RjLcYtT7UApg ST-Link v2 driver and Keil4 development tools: https://pan.baidu.com/s/1ibcL8XlMVW-o...[Details]
What is a D-terminal interface
The D in D-terminal stands for Digital, and it is also said that it is because the interface is shaped like an inverted "D". It processes the video si...[Details]
First of all, the rotor of Tesla's 3D6 motor adopts the classic single V permanent magnet structure, which uses a three-segment approach to optimize noise, with the middle segment being twice the s...[Details]