This document provides a detailed overview of a circuit designed to interface various components with an Arduino Mega 2560 microcontroller. The circuit includes an RFID-RC522 module for RFID reading, an HC-SR04 Ultrasonic Sensor for distance measurement, an OV7670 camera module for image capture, a 12V Solenoid Lock for locking mechanisms, a 12V Single Channel Relay for controlling high power devices, and an LCD TFT screen ILI9488 HD for display purposes. The circuit is powered by a 12V power supply, and the Arduino Mega 2560 serves as the central processing unit, controlling the interactions between the components.
3V3
connected to RFID-RC522 VCC (3.3V)5V
connected to HC-SR04 Ultrasonic Sensor VCC and LCD TFT screen ILI9488 HD VCC (3.3~5V)GND
connected to HC-SR04 Ultrasonic Sensor GND, RFID-RC522 GND, OV7670 DGND, and LCD TFT screen ILI9488 HD GNDD21/SCL
connected to OV7670 SCLD20/SDA
connected to OV7670 SDAD4 PWM
connected to HC-SR04 Ultrasonic Sensor ECHOD5 PWM
connected to RFID-RC522 RSTD6 PWM
connected to HC-SR04 Ultrasonic Sensor TRIGD7 PWM
connected to 12V Single Channel Relay IND8 PWM
connected to LCD TFT screen ILI9488 HD D/CD9 PWM
connected to LCD TFT screen ILI9488 HD RSTD10 PWM
connected to LCD TFT screen ILI9488 HD CSD11 PWM
connected to LCD TFT screen ILI9488 HD SDI(MOSI)D12 PWM
connected to LCD TFT screen ILI9488 HD SDO(MISO)D13 PWM
connected to LCD TFT screen ILI9488 HD SCKD52
connected to RFID-RC522 SCKD50
connected to RFID-RC522 MISOD53
connected to RFID-RC522 SDAD51
connected to RFID-RC522 MOSID32
connected to OV7670 VSD30
connected to OV7670 PLKD28
connected to OV7670 D6D26
connected to OV7670 D4D24
connected to OV7670 D2D22
connected to OV7670 D0D33
connected to OV7670 HSD31
connected to OV7670 XLKD29
connected to OV7670 D7D27
connected to OV7670 D5D25
connected to OV7670 D3D23
connected to OV7670 D1-
connected to Arduino Mega 2560 GND+
connected to 12V Single Channel Relay NOVCC (3.3V)
connected to Arduino Mega 2560 3V3RST
connected to Arduino Mega 2560 D5 PWMGND
connected to Arduino Mega 2560 GNDSCK
connected to Arduino Mega 2560 D52MISO
connected to Arduino Mega 2560 D50MOSI
connected to Arduino Mega 2560 D51SDA
connected to Arduino Mega 2560 D53VCC
connected to Arduino Mega 2560 5VTRIG
connected to Arduino Mega 2560 D6 PWMECHO
connected to Arduino Mega 2560 D4 PWMGND
connected to Arduino Mega 2560 GNDIN
connected to Arduino Mega 2560 D7 PWMVCC
connected to 12V Power Supply +GND
connected to 12V Power Supply -NO
connected to 12V Solenoid Lock +SCL
connected to Arduino Mega 2560 D21/SCLSDA
connected to Arduino Mega 2560 D20/SDAVS
connected to Arduino Mega 2560 D32PLK
connected to Arduino Mega 2560 D30D6
connected to Arduino Mega 2560 D28D4
connected to Arduino Mega 2560 D26D2
connected to Arduino Mega 2560 D24D0
connected to Arduino Mega 2560 D22HS
connected to Arduino Mega 2560 D33XLK
connected to Arduino Mega 2560 D31D7
connected to Arduino Mega 2560 D29D5
connected to Arduino Mega 2560 D27D3
connected to Arduino Mega 2560 D25D1
connected to Arduino Mega 2560 D23D/C
connected to Arduino Mega 2560 D8 PWMRST
connected to Arduino Mega 2560 D9 PWMCS
connected to Arduino Mega 2560 D10 PWMSDI(MOSI)
connected to Arduino Mega 2560 D11 PWMSDO(MISO)
connected to Arduino Mega 2560 D12 PWMSCK
connected to Arduino Mega 2560 D13 PWMBL
connected to Arduino Mega 2560 5VGND
connected to Arduino Mega 2560 GNDVCC (3.3~5V)
connected to Arduino Mega 2560 5VFile: sketch.ino
void setup() {
// put your setup code here, to run once:
}
void loop() {
// put your main code here, to run repeatedly:
}
File: documentation.txt
(No additional documentation provided for the code)
This concludes the documentation for the circuit. The wiring details provide a clear guide for connecting the components, and the code section provides a template for further development of the firmware to control the circuit's functionality.