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Section 5: Keyboard Driver
It means providing some functions for tasks to call, get key information, or read key values.
Define a header file KEY.H to describe the available functions, as follows:
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1 Introduction to PIC Microcontroller The PIC series of single-chip microcomputers are high-performance and cost-effective 8-bit embedded controllers (Embedded Controllers) launched by Microchip Tech...[Details]
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0 Introduction
Traditional data acquisition systems generally use single-chip microcomputers, and most systems complete data transmission through the PCI bus. Its disadvantages are poor ma...[Details]
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1. Pull-up input: Pull-up means pulling the potential up, such as pulling it to Vcc. Pull-up means embedding an uncertain signal at a high level through a resistor! The resistor also acts as a curren...[Details]
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MCU-485-PC serial communication.jpg (106.21 KB, Downloads: 21) Download attachments and save them to the photo album Uploaded on 2018-3-26 01:45 The microcontroller source program is as foll...[Details]
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On September 22, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary
Pinjia launched a new energy vehicle water...[Details]
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In a single-ended isolated PWM DC/DC converter, the DC input power only flows from one end of the primary winding of the transformer during a switching cycle Ts, so it is called single-ended. The m...[Details]
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As an important part of electric energy metering device, electromagnetic voltage transformer (hereinafter referred to as TV) has an error characteristic that affects the accuracy of electric energ...[Details]
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Description of the program: Freescale's instrument cluster products include 8-bit integrated solutions in the S08LG product family, and S12HY products based on our advanced 16-bit architecture. Bo...[Details]
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On May 5, the US company MaxLinear and Taiwan's NAND flash controller giant Silicon Motion announced that MaxLinear will acquire Silicon Motion in a cash and stock deal for US$3.8 billion. The two ...[Details]
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The installed capacity and penetration rate of ADAS are increasing again, especially at the L2 and L2+ levels; so with the enhancement of the main control chip of the ADAS domain controller, will M...[Details]
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Hardware platform: ATK-SIM900A GSM/GPRS module development board Software platform: PC serial port debugging tool & network debugging tool Test purpose: Test the GPRS function of the development boar...[Details]
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When ATmega8 uses the internal crystal oscillator, it is necessary to select the burning method to select different internal crystal oscillator sizes.
The baud rate setting for UART is the same ...[Details]
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The wave of Industry 4.0 has swept the world, and sensors, as the cutting-edge technology of modern science and technology, are considered to be one of the three pillars of modern information technol...[Details]
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On October 15, Zhang Huamin, chief researcher of Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Ma Xiangkun, professor of Dalian Maritime University, visited the company and...[Details]
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