I wrote a simple countdown program. The source code is as follows:#includereg51.h#define uchar unsigned char#define uint unsigned intcode uchar tab[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x...
Using the YF017 music chip in the picture below, different sounds can be played by sending out several pulses. Does the following code send out a single pulse? How can we send out multiple pulses to m...
Features of single-chip microcomputers: (1) Limited by the integration level, the on-chip memory capacity is relatively small, generally ROM: less than 8KB; (2) RAM: less than 256KB. (3) High reliabil...
I want to write the specified bootload code in the specified flash interval. How to write? For example: void main(void) { ubyte i,j=0; Disable_Interrupt_WDT(); Main_Clock_Init(); GPIO_Init(); Bootload...
I would like to ask you for advice on how to amplify small current signalsI am currently DIYing a clamp ammeter
The target parameter is to measure current from mA to 10A
The sensor is a clamp meter he...
I have been so busy these days that I have no time to play around with pyboard. Alas, I have no choice when I am working! :Cry: Since I don't know Python programming, I can only write bugs even though...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
Today, automakers are integrating more and more complex electronic systems into cars. Allied Business Intelligence predicts that annual sales of the automotive semiconductor market will rise from $...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
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