Circuit Documentation

Summary

This circuit involves an Arduino Mega 2560, an ESP32, an ArduCam Mega, multiple Servo Motors, a Lipo Battery, a Buck Converter, an Ultrasonic Sensor, an LM393, an LED, a Resistor, a Battery Indicator, and a TMP006 Thermopile Sensor. The circuit is designed to interface various sensors and actuators with the microcontrollers to perform specific tasks. The Arduino Mega 2560 serves as the main controller, while the ESP32 provides additional processing power and connectivity options.

Component List

Arduino Mega 2560

• Description: Main microcontroller board
• Pins: IOREF, RESET, 3V3, 5V, GND, VIN, A0-A15, D0-D53, AREF, SDA, SCL

ESP32 (30 pin)

• Description: Secondary microcontroller with Wi-Fi and Bluetooth capabilities
• Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, Vin, D23, D22, TX0, RX0, D21, D19, D18, D5, TX2, RX2, D4, D2, D15, 3V3

ArduCam Mega

• Description: Camera module
• Pins: GND, D18/SCK, D19/MISO, D23/MOSI, VCC/3.3V, TX2/CS

Servo Motor MG996R

• Description: High-torque servo motor
• Pins: PMW, VCC 5V, GND

Lipo Battery

• Description: Power source
• Pins: VCC, GND

Buck Converter

• Description: Voltage regulator
• Pins: IN+, IN-, OUT+, OUT-

Ultrasonic Sensor

• Description: Distance measurement sensor
• Pins: +VCC, Trigger, Echo, GND

LM393

• Description: Comparator module
• Pins: A0, D0, GND, VCC

LED

• Description: Light-emitting diode
• Pins: -, +

Resistor

• Description: 180 Ohms resistor
• Pins: pin1, pin2

Battery Indicator

• Description: Indicates battery status
• Pins: +, -

TMP006 Thermopile Sensor

• Description: Temperature sensor
• Pins: VCC, GND, SDA, SCL, DRDY, ADDR1, ADDR0

Wiring Details

Arduino Mega 2560

• 3V3 connected to ESP32 (30 pin) 3V3
• 5V connected to ArduCam Mega VCC/3.3V and Ultrasonic Sensor +VCC
• GND connected to multiple components including Servo Motors, Buck Converter OUT-, ArduCam Mega GND, Ultrasonic Sensor GND, ESP32 GND, LM393 GND, TMP006 Thermopile Sensor GND, and Resistor pin2
• VIN connected to Buck Converter OUT+
• A0 connected to LM393 A0
• A4 connected to TMP006 Thermopile Sensor SDA
• A5 connected to TMP006 Thermopile Sensor SCL
• D19/RX1 connected to ESP32 TX0
• D18/TX1 connected to ESP32 RX0
• D8 PWM connected to Ultrasonic Sensor Trigger
• D9 PWM connected to Ultrasonic Sensor Echo
• D10 PWM connected to ArduCam Mega TX2/CS
• D13 PWM connected to LM393 D0
• D52 connected to ArduCam Mega D18/SCK
• D50 connected to ArduCam Mega D19/MISO
• D51 connected to ArduCam Mega D23/MOSI
• D38 connected to Servo Motor MG996R PMW
• D36 connected to Servo Motor MG996R PMW
• D34 connected to Servo Motor MG996R PMW
• D32 connected to Servo Motor MG996R PMW
• D30 connected to Servo Motor MG996R PMW
• D28 connected to Servo Motor MG996R PMW
• D26 connected to Servo Motor MG996R PMW
• D24 connected to Servo Motor MG996R PMW
• D22 connected to Servo Motor MG996R PMW
• D39 connected to Servo Motor MG996R PMW
• D37 connected to Servo Motor MG996R PMW
• D35 connected to Servo Motor MG996R PMW
• D33 connected to Servo Motor MG996R PMW
• D31 connected to Servo Motor MG996R PMW
• D29 connected to Servo Motor MG996R PMW
• D27 connected to Servo Motor MG996R PMW
• D25 connected to Servo Motor MG996R PMW
• D23 connected to Servo Motor MG996R PMW
• 5V connected to LED +
• 5V connected to TMP006 Thermopile Sensor VCC

ESP32 (30 pin)

• 3V3 connected to Arduino Mega 2560 3V3
• GND connected to Arduino Mega 2560 GND
• TX0 connected to Arduino Mega 2560 D19/RX1
• RX0 connected to Arduino Mega 2560 D18/TX1

ArduCam Mega

• VCC/3.3V connected to Arduino Mega 2560 5V
• GND connected to Arduino Mega 2560 GND
• D18/SCK connected to Arduino Mega 2560 D52
• D19/MISO connected to Arduino Mega 2560 D50
• D23/MOSI connected to Arduino Mega 2560 D51
• TX2/CS connected to Arduino Mega 2560 D10 PWM

Servo Motor MG996R

• GND connected to Arduino Mega 2560 GND
• VCC 5V connected to Buck Converter OUT+
• PMW connected to various Arduino Mega 2560 PWM pins (D22, D23, D24, D25, D26, D27, D28, D29, D30, D31, D32, D33, D34, D35, D36, D37, D38, D39)

Lipo Battery

• VCC connected to Buck Converter IN+
• GND connected to Buck Converter IN-

Buck Converter

• IN+ connected to Lipo Battery VCC
• IN- connected to Lipo Battery GND
• OUT+ connected to Arduino Mega 2560 VIN and Servo Motors VCC 5V
• OUT- connected to Arduino Mega 2560 GND and Servo Motors GND

Ultrasonic Sensor

• +VCC connected to Arduino Mega 2560 5V
• GND connected to Arduino Mega 2560 GND
• Trigger connected to Arduino Mega 2560 D8 PWM
• Echo connected to Arduino Mega 2560 D9 PWM

LM393

• GND connected to Arduino Mega 2560 GND
• VCC connected to Buck Converter OUT+
• A0 connected to Arduino Mega 2560 A0
• D0 connected to Arduino Mega 2560 D13 PWM

LED

• + connected to Arduino Mega 2560 5V

Resistor

• pin2 connected to Arduino Mega 2560 GND

Battery Indicator

• + connected to Buck Converter IN+
• - connected to Buck Converter IN-

TMP006 Thermopile Sensor

• VCC connected to Arduino Mega 2560 5V
• GND connected to Arduino Mega 2560 GND
• SDA connected to Arduino Mega 2560 A4
• SCL connected to Arduino Mega 2560 A5

Documented Code

Arduino Mega 2560 Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation

This documentation provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and documented code. Each component is described, and the