BILAL AHMED BHATTI B.E Electronics (Specialization in AVIONICS)

BILAL AHMED BHATTIB.E Electronics(Specialization in AVIONICS)

PIC MICROCONTROLLERPIC 16 F 877ASpecial Microcontroller Features- 100,000 erase/write cycle Enhanced Flash program memory typical- Self-reprogrammable under software control- Single-supply 5V In-Circuit Serial Programming- Programmable Code Protection

Peripheral Features- Two 8-bit (TMR0, TMR2)timer/counter with - One 16-bit timer/counter- 40/44 pin-device only

High-Performance RISC CPU- DC-20MHz clock input- Up to 8K x 14 words of Flash Program Memory- Pin out Compatible to other 28-pin or 40/44-pin

Analog Features- 10-bit, up to 8-channel Analog-to-Digital Converter (A/D)

CMOS Technology- Low-power, high-speed Flash/EEPROM technology- Fully static design- Wide operating voltage range (2.0V to 5.5V)- Low-power consumption

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VOLTAGE DIVIDER

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VOLTAGE DIVIDER

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BLACK MATTWHITE TAPE

Sensorcover

RED LED(BRIGHT)

LDRLight dependent resistor

Sensor working

ROBOT BASE

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REDBRIGHT

LED

POT+

LDR

SENSOR (LED + LDR)

Ground (-ve)

Supply (+ve)

Supply (+ve)

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Motor 2Motor 1

S1 S2 S3 S4 S5 S6

3cm 1.5cm 1.5cm 3cm

S7 S86cm

3cm

SENSORS PLACEMENT

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COMPARATOR is a device that compares two voltages

or currents and switches its output to indicate which

is larger. They are commonly used in devices such as

Analog-to-digital converters (ADCs).

LM358

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6V

6V

5V

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Sensor on BLACK MATT

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Sensor on WHITE REFLECTING LINE

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Connecting SENSORS + COMPARATOR + PIC16F877A

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CODING+

SIMULATION

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