매트릭스를 이용한 가스 비상 경보기
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Transcript of 매트릭스를 이용한 가스 비상 경보기
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- Presented by2001711105 2003709172 2003709179 2003709190 Kwangwoon Univ
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MPU 1 Atmega128 MPU .
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MPU
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MPU ATmega128 8-bit Microcontroller (MQ-7) 8x8
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ATmega128
128 bytes Internal RAM 32 x 8 General Purpose Working Registers 15 Programmable I/O Lines VCC: 2.7 - 6.0V Fully Static Operation 0 - 10 MHz, 4.0 - 6.0V 0 - 4 MHz, 2.7 - 6.0V Up to 10 MIPS Throughput at 10 MHz One 8-Bit Timer/Counter with Separate Prescaler One 16-Bit Timer/Counter with Separate Prescalerand Compare and Capture Modes Full Duplex UART Selectable 8, 9 or 10 bit PWM External and Internal Interrupt Sources Programmable Watchdog Timer with On-Chip Oscillator On-Chip Analog Comparator Low Power Idle and Power Down Modes Programming Lock for Software Security
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LM324
Short Circuited Protected Outputs True Differential Input Stage Single Supply Operation: 3.0 V to 32 V (LM224, LM324, LM324A) Low Input Bias Currents: 100 nA Maximum (LM324A) Four Amplifiers Per Package Internally Compensated Common Mode Range Extends to Negative Supply Industry Standard Pinouts ESD Clamps on the Inputs Increase Ruggedness without AffectingDevice Operation
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7805
OUTPUT CURRENT IN EXCESS OF 1A; NO EXTERNAL COMPONENTS REQUIREDINTERNAL SHORT CIRCUIT CURRENT LIMITING; INTERNAL THERMAL OVERLOAD PROTECTION; OUTPUT TRANSISTOR SAFE-AREA COMPENSATION; OUTPUT VOLTAGE OFFERED IN 4% TOLERANCE.
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(MQ-7) TECHNICAL DATA MQ-7 GAS SENSOR FEATURES * High sensitivity to carbon monoxide * Stable and long life APPLICATION They are used in gas detecting equipment for carbon monoxide(CO) in family and industry or car.
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8x8 Dot Matrix
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8x8 Dot Matrix
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4. CodeVision AVR C Compiler
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4. OrCAD 9.2
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91011121234123412341234 H/W S/W
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, H/W , S/W , ,
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End of DocumentThank you!
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