Automated Bus Alley Management System using RFID

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COMPONENTS:

• ESP32 WROOM 32 (NODE MCU)
• MFRC522 RFID READER
• MIFARE 1KB CLASSIC RFID CARD
• SERVO MOTOR
• I2C 16X2 LCD SCREEN
• THERMAL PRINTER

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HARDWARE CONFIGURATION:

MFRC522 PINS TO ESP32 (ADMIN RFID READER)

PIN NO.	LABEL
GND	GND (GRAY)
3V3	VIN (RED)
22	RST (YELLOW)
19	MISO (ORANGE)
23	MOSI (BROWN)
18	SCK (BLUE)
5	SDA (VIOLET)

MFRC522 PINS TO ESP32 (TOLL GATE RFID READER)

PIN NO.	LABEL
GND (19~21)	GND (BLACK)
3V3 (ALWAYS)	VIN (WHITE)
17	RST (YELLOW)
19	MISO (BROWN)
23	MOSI (RED)
18	SCK (ORANGE)
16	SDA (GREEN)

SD CARD MODULE PINS TO ESP32

PIN NO.	LABEL
GND	GND (BLACK)
5V	VIN (WHITE)
5	CS (GREEN)
23	MOSI (RED)
18	SCK (ORANGE)
19 (220k R)	MISO (BROWN)

SERVO MOTOR PINS TO ESP32 | MAGNETIC CONTACTOR

PIN NO.	LABEL
GND	GND (BROWN)
5V	VIN (RED)
25	GPIO 25 (ORANGE)

RELAY PINS TO ESP32 | MAGNETIC CONTACTOR

PIN NO.	LABEL
GND	GND (BROWN)
5V	VIN (RED)
13	GPIO 13 (ORANGE)

ULTRASONIC SENSOR PINS TO ESP32

PIN NO.	LABEL
GND	GND
5V	VIN
26	TRIGGER (BLUE)
27	ECHO (VIOLET)

I2C 20X4 LCD SCREEN PINS TO ESP32

PIN NO.	LABEL
GND	GND
5V	VIN
21	SDA (BLUE)
22	SCL (VIOLET)