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introduction
Programmable
touch keyboard
is a multifunctional small human-machine interface developed to meet people's increasing requirements for human-machine interf...[Details]
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A very neat one-button program:
bit flag=0; define flag
The following is the keyboard handler:
void scankey() // scan key
{
if(p10= =0&&flag= =0) //p10 port button and processing program, if fl...[Details]
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Mechanical and digital potentiometers have uncertain end-to-end tolerances, with Maxim's digital potentiometers typically having an end-to-end resistance tolerance of 20% to 30%. This resistance va...[Details]
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1. Preface
1. Linux kernel version: 3.4.2
2. References
- "Embedded Learning - Driver Development - Lesson 7.1 - NIC Driver Architecture Analysis Driver and CS8900 Process Analysis"
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1. Connect the power of the instrument, turn the power switch from "off" to "on", and preheat for 5 to 10 minutes; 2. Clamp the red clip of the instrument to the ground input terminal of the po...[Details]
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In order to improve the reliability of the stabilized power supply, the heat dissipation of the stabilized power supply must be considered. In the stabilized power supply, the heat is converted by ...[Details]
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1. Overall design of the system
This system is used to test the functions and performance of DC motor controllers. The test content mainly includes the current value, speed value and waveform ...[Details]
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Sina Digital News reported on the morning of March 11 that a new set of renderings showed the design of the third-generation AirPods, which may be released at the end of this month. The rend...[Details]
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The following paragraph was excerpted from the Internet. After opening it, I finally figured out why my frequency meter could not accurately measure signals above 480KHz. The 8052 microcontroller has...[Details]
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Automobile information security has gradually received more attention, and laws and regulations related to network security have been promulgated one after another. In this context, the AUTOSAR org...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Today's competitive environment requires
mold
manufacturers to be more than just moldmakers. They also need to be versatile when faced with many questions from users. For example, when us...[Details]
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/* Name: Machine A serial port program
Description: Machine A sends control command characters to Machine B.
Machine A receives the numbers sent by Machine B at the same time and displays them on...[Details]
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This article does not discuss the dimming technology of bidirectional thyristors because the low light instability is caused by a different mechanism. Dimming methods that use communication technolog...[Details]
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The U.S. Department of Commerce announced on August 17 that foreign chipmakers are not allowed to supply their products to Huawei if they use U.S. technology unless they obtain special licenses. Th...[Details]
Analog electronics
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