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