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Arduino Mega 2560 Rev3
A placa Arduino com maior capacidade de memória e pinos E/S. Ideal para projetos complexos que requerem múltiplos sensores e atuadores. Perfeita para aplicações industriais e sistemas avançados.
APPROX. PRICE
$35-45
DIFFICULTY
Medium
BEST FOR
Robotics
SPEED
16 MHz
🚀 Get Started Now
🎯 Essential Arduino Mega 2560 Rev3
✅ Advantages
- • 54 digital pins
- • 16 analog inputs
- • 4 serial ports (UART)
- • Ideal for robotics
- • Complex projects
⚠️ Limitations
- • More expensive (~$35-45)
- • Large size
- • No wireless connectivity
- • Limited speed (16 MHz)
⚖️ Quick Comparison vs Alternatives
| Feature | Arduino Mega 2560 Rev3 | Arduino Uno | ESP32 |
|---|---|---|---|
| Wi-Fi | ❌ No | ❌ No | ✅ Sí |
| Price | $35-45 | $20-30 | $10-15 |
| Difficulty | Medium | Easy | Medium |
📋 Technical Specifications
Microcontrolador
ChipATmega2560
ArquiteturaAVR
Velocidade do Clock16 MHz
Memoria
Memória Flash256 KB
SRAM8 KB
EEPROM4 KB
Alimentación
Voltagem de Operação5 V
Voltagem de Entrada7-12 V (recomendado), 6-20 V (límite)
USBUSB Tipo B
Entradas/Salidas
E/S Digital54 (15 PWM)
E/S Analógica16 (0 DAC)
Dimensões101.52 x 53.3 mm
Comunicação
UARTSPII2CUSB
Características
54 pinos digitais
16 entradas analógicas
256KB memória flash
Compatível com shields
Múltiplas portas seriais
Aplicações
Sistemas industriais
Robótica avançada
Aquisição de dados
Controle CNC
Estações meteorológicas
🛠️ Popular Projects with Arduino Mega 2560 Rev3
🤖
Line Following Robot
Robot that follows lines with IR sensors and motors.
Components: IR sensors, DC motors, L298N driver
📊
Data Logger
Log data from multiple sensors to SD card.
Components: MicroSD, RTC, Sensors
🎵
Electronic Piano
Keyboard with buttons and buzzer to play melodies.
Components: Buttons, Buzzer, Resistors
💻 Quick Start Code
// Basic blinking LED
void setup() {
pinMode(13, OUTPUT);
}
void loop() {
digitalWrite(13, HIGH);
delay(1000);
digitalWrite(13, LOW);
delay(1000);
}
// Analog sensor reading
void readSensor() {
int sensorValue = analogRead(A0);
float voltage = sensorValue * (5.0 / 1023.0);
Serial.println(voltage);
}🛒 Buying Guide
🤔 Should I buy the Arduino Mega 2560 Rev3?
✅ Buy if:
- • Complex projects
- • Many sensors
- • Advanced robotics
- • Multiple communications
❌ Don't buy if:
- • Simple project
- • Limited budget
- • Size matters
🏪 Where to Buy
Official Store$35-45
Amazon$25-35
AliExpress$15-25
💡 Tip: For critical projects, buy original. For learning, clones work fine.
📦 Recommended Kit
Arduino Mega 2560 Rev3
USB Cable
Breadboard
Jumper wires
LEDs + Resistors
🎯 Final Verdict
This board is ideal for specific projects that require particular features. Evaluate if you really need its specific capabilities.
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