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//Applicable to STM8S003F3 //main.c file //Experimental phenomenon: When the power is turned on, all digital tubes are on and display 0; when a button is pressed, the corresponding digital tube numbe...[Details]
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1. Experimental objectives and requirements Master the principles and methods of pulse width modulation speed regulation, learn the methods of frequency/period measurement, and understand the prin...[Details]
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What is a frequency response curve?
"Frequency response curve" decomposition: "Frequency" refers to "frequency", which is the same as "pitch" in sound performance; "response" can be regarded a...[Details]
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1. Selection of ordinary circuit breakers
The overcurrent protection circuit breakers for
power distribution (lines), motors and household
appliances
have different protection characte...[Details]
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1. Differences in instrument structure
The structure of the gas detector is relatively simple, consisting only of the probe (sensor) and the sensor signal conversion circuit. The gas analyzer is ...[Details]
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Traditional
EMI
low-pass filters, such as RC filters or LC filters, will soon reach the limit of the filter, so in order to adapt to these new application trends, we must develop a...[Details]
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What are the effects of rotor imbalance on motor quality? The editor will analyze the vibration and noise problems caused by rotor mechanical imbalance.
Causes of rotor unbalanced vibrat...[Details]
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Editor's note: Today I'm going to introduce a car component that is like a ghost, sometimes appearing in a prominent position, sometimes disappearing without a trace; some look like what they shou...[Details]
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The power supply industry has one of the most important parameters - power efficiency. During the design and debugging of power supply prototype boards, engineers can improve the efficiency of power ...[Details]
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No matter how hard manufacturers promote it, 8K TVs are not chosen by more users. After all, there are too few places where they can be used. A report released by market research firm IHS Markets st...[Details]
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Huawei's Mate 30 series of mobile phones were officially released in Munich, Germany. At the press conference, Huawei's consumer business CEO Yu Chengdong said that the Huawei Mate 30 series of mobil...[Details]
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Renesas Electronics' latest electronic control unit (ECU) virtualization platform uses powerful automotive microcontrollers for vehicle motion and domain control applications. From deploying airbag...[Details]
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#include "reg52.h"
#include intrins.h
#define uchar unsigned char
#define uint unsigned int
uchar i,j;
sbit P2_7=P2^7;
sbit fmq=P3^6;
sbit P3_7=P3^7;
void delay1ms(unsigned int i)
{
uns...[Details]
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Achieved this milestone in collaboration with Qualcomm, which demonstrated the feasibility of using the FR3 frequency band to establish connectivity between 5G base stations and next-generatio...[Details]
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Building an integrated ecosystem of AUTOSAR software and hardware to promote innovation in intelligent connected vehicles
November 18, 2024, Beijing, China –
iSoftStone and Ren...[Details]
DIY/Open Source Hardware
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