Is it difficult to test small resistors? Why should we discuss it separately? Because testing small resistors has the inherent problems and conditions of testing other resistors, such as: 1. Lead resi...
I received the NXP development board, it's very delicate. I just exchanged my E coins for a book, hahaha, thanks to EE~ and the hard-working managers...
[size=4]C2000 microcontrollers (MCUs) have been used to control motors in a wide variety of applications for more than 25 years. These motors are primarily three-phase synchronous or asynchronous moto...
Hello everyone, I just came here, and I am also a novice. I have a question to ask. Which prawn can help me? …… if(RI) //Wait for the response signal, receive the judgment flag { RI=0; for(j=0;j<7;j++...
The Hall sensor is used to measure DC high voltage (0V~800V). The sensor used is CHV-25P. The ratio of input and output voltage is not linear. The deviation increases with the increase of voltage. The...
There are two power PCs in Xilinx's FPGA Virtex-5 chip. Are these two CPUs embedded in the FPGA?
Experts please help me answer this question, thanks!!...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
In recent years, as energy consumption and environmental protection issues have attracted people's attention, my country's solar photovoltaic power generation industry has shown a rapid development...[Details]
【JDPCB】Qisda is introducing smart factories in phases. Chairman Chen Qihong said yesterday (25th) that through high automation, order delivery can be accelerated. The current benefits have reached a...[Details]
After studying the F4 FSMC method to drive the touch screen for a few days, I have gained some understanding, which are listed below. The unorganized record is only for my own reference in the future...[Details]
This paper proposes a design scheme for an embedded CNC system based on ARM and FPGA. The software and hardware design of the ARM system, the implementation method of hardware fine interpolation ...[Details]
As photovoltaic power stations come into people's view, people are paying more and more attention to them. Recently, some netizens asked me how to match the inverter and components of photovoltaic ...[Details]
At the beginning, I used the stdlib library. Recently, I found that the cube library is more and more widely used, so I started to use the cube library to complete the ADC multi-channel acquisition e...[Details]
Ouster LiDAR OS-1 (left) and OS-2 (center) Velodyne invented the modern 3D LiDAR scanner in the mid-2000s, but in recent years conventional wisdom has held that Velodyne’s design — 64 lasers mounted...[Details]
Today I am using the AD function of the stm8s microcontroller. There are ten channels from AN0 to AN9 on the microcontroller. I want to use only three of them, AN5 to AN7. //ADC initialization void A...[Details]
Summary of STM32 peripheral DMA usage: 1. Select DAM mode according to your needs: (1) Circular mode—DMA_Mode = DMA_Mode_Circular (2) Normal mode—DMA_Mode = DMA_Mode_Normal 2. For Chanel3 of DMA1, t...[Details]
Table of contents: 1 Overview 2: Common interrupt functions 3: PWM output 1 Overview In development, timers are widely used, which can be simply summarized into three aspects: 1.1: Application of ...[Details]
T1 or T2 are two timers/counters of MCS-51 microcontroller. The first method can use two timers/counters to generate rectangular waves. In order to save interface resources, the second method is used...[Details]
1. SCL is always controlled by the Master. SDA is controlled by the Slave when reading data and by the Master when writing data according to the direction of data transmission. After the 8-bit data i...[Details]
#include avr/io.h void Delay(unsigned int T) { unsigned int i,j; for (i=0;i T;i++) for (j=0;j 100;j++) asmvolatile ("nop"); //Assembly instruction, let the microcontroller run empty instruction...[Details]