Arduino MEGA 2560 R3 User Manual

USER’S MANUAL
1. AVR lab board
Figure 1 shows a picture of the assembled lab board that contains peripherals, connectors, and
the Arduino MEGA 2560 R3 microcontroller board. The serial number of my lab board is #168.
Figure 1: AVR Lab Board
2. Wiring
This wire connection worked on AVR lab borad #168.
AVR Pins (top and bottom row) Input/Output Device Pins (middle row)
Port Group Pin Port Group Pin
PORT F PF0 LCD DATA D0
PORT F PF1 LCD DATA D1
PORT F PF2 LCD DATA D2
PORT F PF3 LCD DATA D3
PORT F PF4 LCD DATA D4
PORT F PF5 LCD DATA D5
PORT F PF6 LCD DATA D6
PORT F PF7 LCD DATA D7
PORT E PE2 MOTOR Mot
PORT D RDX4 INPUTS PB0
PORT D RDX3 INPUTS PB1
PORT A PA4 LCD CTRL BE
PORT A PA5 LCD CTRL RW

Arduino MEGA 2560 R3 Specifications

General

Microcontroller	ATmega2560
Operating Voltage	5V
Input Voltage (recommended)	7-12V
Input Voltage (limit)	6-20V
Digital I/O Pins	54 (of which 15 provide PWM output)
Analog Input Pins	16
DC Current per I/O Pin	20 mA
DC Current for 3.3V Pin	50 mA
Flash Memory	256 KB of which 8 KB used by bootloader
SRAM	8 KB
EEPROM	4 KB
Clock Speed	16 MHz
LED_BUILTIN	13
Length	101.52 mm
Width	53.3 mm
Weight	37 g

Summary

AVR Lab Board Overview

Wiring Connections

Initial State Description

Program Start Sequence

Input State

Inputting X Value

Step showing the input of the 'x' parameter for accident location.

Confirming X Value

Indicates completion of 'x' value input with a comma on the LCD.

Inputting Y Value

Step showing the input of the 'y' parameter for accident location.

Search and Found States

Searching for Location

Displays the drone's current state and location search progress.

Accident Location Found

Indicates the accident location has been found and the drone is grounded.

Drone Operation States

Drone Fly Back

Shows the display when the drone is initiating its return flight.

Abort State

Displays the 'Abort' state triggered by user input.