Circuit Documentation

Summary

This circuit involves an Arduino Mega 2560 microcontroller interfacing with various components including a 0.96" OLED display, a 16-Channel PWM Servo Driver, multiple MG90S servos, a DHT11 temperature and humidity sensor, a KY-023 Dual Axis Joystick Module, an Arcade Button, a Pushbutton, a High Voltage Generator, a 9V Battery, an XL4015 5A DC Buck Step-down, and a LiPo battery. The circuit is designed to control servos, read sensor data, and display information on the OLED screen.

Component List

Arduino Mega 2560

• Description: A microcontroller board based on the ATmega2560.
• Pins: IOREF, RESET, 3V3, 5V, GND, VIN, A0-A15, D0-D53, PWM pins, AREF, SDA, SCL.

0.96" OLED

• Description: A small OLED display module.
• Pins: GND, VDD, SCK, SDA.

16-Channel PWM Servo Driver

• Description: A driver board for controlling up to 16 servos.
• Pins: V+, VCC, SDA, SCL, OE, GND, Vin+, Vin-, PWM1-PWM16.

MG90S Servo

• Description: A micro servo motor.
• Pins: SIG, VCC, GND.

Pushbutton

• Description: A simple pushbutton switch.
• Pins: Pin 1, Pin 2, Pin 3, Pin 4.

High Voltage Generator

• Description: A module for generating high voltage.
• Pins: out 1, Out 2, VCC, GND.

9V Battery

• Description: A standard 9V battery.
• Pins: -, +.

XL4015 5A DC Buck Step-down

• Description: A DC-DC buck converter.
• Pins: Output +, Output -, Input +, Input -.

LiPo Battery 2200mAH 30c

• Description: A rechargeable lithium polymer battery.
• Pins: VCC, GND.

Arcade Button (blue)

• Description: A large arcade-style button.
• Pins: no name yet.

KY-023 Dual Axis Joystick Module

• Description: A joystick module with two axes and a button.
• Pins: GND, +5V, VRx, VRy, SW.

DHT11

• Description: A temperature and humidity sensor.
• Pins: DATA, GND, VCC.

Wiring Details

Arduino Mega 2560

• 5V: Connected to VCC of 16-Channel PWM Servo Driver, VCC of DHT11, VDD of 0.96" OLED, and +5V of KY-023 Dual Axis Joystick Module.
• GND: Connected to GND of 16-Channel PWM Servo Driver, GND of DHT11, GND of 0.96" OLED, GND of Arcade Button, and GND of KY-023 Dual Axis Joystick Module.
• A0: Connected to VRx of KY-023 Dual Axis Joystick Module.
• A1: Connected to VRy of KY-023 Dual Axis Joystick Module.
• D21/SCL: Connected to SCL of 16-Channel PWM Servo Driver and SCK of 0.96" OLED.
• D20/SDA: Connected to SDA of 16-Channel PWM Servo Driver and SDA of 0.96" OLED.
• D2 PWM: Connected to DATA of DHT11.
• D3 PWM: Connected to SW of KY-023 Dual Axis Joystick Module.
• D4 PWM: Connected to Arcade Button.
• 6swdw: Connected to both terminals of 9V Battery.

0.96" OLED

• VDD: Connected to 5V of Arduino Mega 2560.
• GND: Connected to GND of Arduino Mega 2560.
• SCK: Connected to D21/SCL of Arduino Mega 2560.
• SDA: Connected to D20/SDA of Arduino Mega 2560.

16-Channel PWM Servo Driver

• VCC: Connected to 5V of Arduino Mega 2560.
• GND: Connected to GND of Arduino Mega 2560.
• SCL: Connected to D21/SCL of Arduino Mega 2560.
• SDA: Connected to D20/SDA of Arduino Mega 2560.
• Vin+: Connected to Output + of XL4015 5A DC Buck Step-down.
• Vin-: Connected to Output - of XL4015 5A DC Buck Step-down.
• PWM13: Connected to SIG of MG90S Servo.
• PWM14: Connected to SIG of MG90S Servo.
• PWM15: Connected to SIG of MG90S Servo.
• PWM16: Connected to SIG of MG90S Servo.
• GND: Connected to GND of MG90S Servos.
• V+: Connected to VCC of MG90S Servos.

MG90S Servos

• SIG: Connected to PWM13, PWM14, PWM15, and PWM16 of 16-Channel PWM Servo Driver.
• VCC: Connected to V+ of 16-Channel PWM Servo Driver.
• GND: Connected to GND of 16-Channel PWM Servo Driver.

Pushbutton

• Pin 1: Connected to + of 9V Battery.
• Pin 3: Connected to VCC of High Voltage Generator.

High Voltage Generator

• VCC: Connected to Pin 3 of Pushbutton.
• GND: Connected to - of 9V Battery.

9V Battery

• -: Connected to GND of High Voltage Generator.
• +: Connected to Pin 1 of Pushbutton and 6swdw of Arduino Mega 2560.

XL4015 5A DC Buck Step-down

• Input +: Connected to VCC of LiPo Battery.
• Input -: Connected to GND of LiPo Battery.
• Output +: Connected to Vin+ of 16-Channel PWM Servo Driver.
• Output -: Connected to Vin- of 16-Channel PWM Servo Driver.

LiPo Battery 2200mAH 30c

• VCC: Connected to Input + of XL4015 5A DC Buck Step-down.
• GND: Connected to Input - of XL4015 5A DC Buck Step-down.

Arcade Button (blue)

• no name yet: Connected to GND and D4 PWM of Arduino Mega 2560.

KY-023 Dual Axis Joystick Module

• +5V: Connected to 5V of Arduino Mega 2560.
• GND: Connected to GND of Arduino Mega 2560.
• VRx: Connected to A0 of Arduino Mega 2560.
• VRy: Connected to A1 of Arduino Mega 2560.
• SW: Connected to D3 PWM of Arduino Mega 2560.

DHT11

• VCC: Connected to 5V of Arduino Mega 2560.
• GND: Connected to GND of Arduino Mega 2560.
• DATA: Connected to D2 PWM of Arduino Mega 2560.

Documented Code

Arduino Mega 2560 Code

sketch.ino

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

}

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

}

documentation.txt

This documentation provides a comprehensive overview of the circuit, including a detailed component list, wiring details, and the code used in the Arduino Mega 2560 microcontroller.