[i=s]This post was last edited by dql2016 on 2022-9-29 00:14[/i]Compile according to the official tutorial of Allwinner https://v853.docs.aw-ol.com/study/study_4compile/./build.sh and use the compiled...
First pictureThis is a voltage follower made with LMV324. The voltage at the in-phase input is 0~5.1V, but the output stops increasing when it reaches 4.5V or 4.6V.
Could anyone help me analyze the re...
Thanks to EEWORLD, I received the stuff and posted a photo of XDS100 V2
Outer Packaging:When I opened the box, I saw an instruction manual.A USB cable and debuggerDebugger truth:Overall photo:...
//The clock displayed on the LCD screen can be controlled by the keyboard#includereg52.h#define uint unsigned int#define uchar unsigned charsbit s1=P2^0;sbit s2=P2^1;sbit s3=P2^2;sbit rd=P3^3;sbit rs=...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
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introduction
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Introduction
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1 Introduction
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Fieldbus integration based on PC system
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I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
introduction
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Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
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