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. . 8x8 .

(LED) .

MPU 1 Atmega128 MPU .

2.

MPU

3.

MPU ATmega128 8-bit Microcontroller (MQ-7) 8x8

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

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

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.

(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.

8x8 Dot Matrix

8x8 Dot Matrix

4. CodeVision AVR C Compiler

4. OrCAD 9.2

5.

91011121234123412341234 H/W S/W

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, H/W , S/W , ,

End of DocumentThank you!

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