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DFRobot Mega 2560 V3.0 (Arduino Mega 2560 R3 Compatible)

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SKU:DFR0191 U32

Price: $42.92

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NEW VERSION! This is the upgraded DFRduino Mega 2560 V3.0 which is now fully compatible with Arduino Mega 2560 R3. The Arduino Mega is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header and a reset button. It contains everything needed to support the microcontroller; Connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Mega is compatible with most shields designed for the Arduino Duemilanove, Diecimila or Uno.

One cool thing about our DFRduino microcontrollers is that the hearders with different colors are used to differentiate I/O ports in an relatively easy way:

Red indicates Power Section
Blue indicates Analog I/O
Green indicates Digital I/O.

This kind of correspondence match exactly the same with our sensors, making it even cooler and more user-friendly.

The R3 board enjoys following new features:

Added SDA and SCL pins that are close to AREF pin and two other new pins close to RESET pin, allowing voltage adaptation with IOREF. Our shields will be fully compatible both with the AVR boards operating @5V and Due @3.3V in future.
Improved RESET circuit
Replacing the Atmega 8U2 with Atmega 16U2 (datasheet)

Version history:

V3.1 - Choose the quartz crystals resonator to improve the timer and serial accuracy. Compared with ceramic crystals, quartz crystals get better temperature stability.

|Specification|

Compatible with Arduino Mega 2560 R3
Microcontroller: ATmega2560
Operating Voltage: 5V
Input Voltage (recommended): 7 ~ 12V
Digital I/O Pins: 54 (of which 14 provide PWM output)
Analog Input Pins: 16
DC Current per I/O Pin: 40 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

The Mega is compatible with:

|Documents|

|ShippingList|

DFRduino Mega 2560 V3.0 x1

|Projects|Project 1. Hyduino - Automated Hydroponics with an Arduino
hydroponics is growing plants without the use of a traditional dirt medium by using a nutrient rich water solution. This is especially great for those people that that have limited areas in their backyard to grow in.
Hardware list:

Arduino Mega 2560
Peristaltic Pumps (2)
Regular Pump
pH Electrode Probe and Connection to Arduino
5V Relay Modules for Arduino
12V Solenoid Valve
DHT11 or DHT21 or DHT22 Humidity/Temperature Sensor
Photosensitive Sensor for Arduino
Breadboard
Various Wires
Grow Lights (mine are LED)
Sockets for Grow Lights
3.2" TFT LCD Shield + Touch Screen (usually has an SD card reader on the back of it)
Water Level Sensor Float Switch (2)
I2C RTC DS1307 AT24C32 Real Time Clock Module
9V and 12V Power Supplies
Hydroponics Pots (I'm using 10 - 3" pots for this)
1" PVC Pipe and Fittings + Drain Pipe and Fittings

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