The Arduino Due is one of the most powerful boards in the Arduino Range, and is the ideal solution for Makers, hobbyists, artists and electronics enthusiasts who want to step up their game with a 32bit, 84MHz CortexM3 ARM microcontroller. This powerful clock speed, in conjunction with a wide range of other upgrades and the ability to be backwards-compatible with all of your previous Arduino sketches, makes it a perfect upgrade from any of the previous boards.
Some of the exciting features of the Arduino Due include 54 digital input/output pins (12 of which are enabled for PWM), 12 analog inputs, 4 UART hardware serial ports, 2 DAC (digital to analog) inputs, a USB-OTG capable connection, 2 TWI buses, a JTAG header, an SPI header, a power jack, a reset button and an erase button – Everything it needs to run not only your previous projects, but an almost infinite number of more advanced and even more exciting projects.
Bear in mind, however, that even though this board has backwards compatibility in terms of firmware and coding, the lower operating voltage of 3.3V DC on the I/O Pins means that it won’t be compatible with previous 5V Shields. This is important to remember, as plugging in a 5V Shield could damage the board. However, with that being said, all of the Arduino Shields that already implemented the R3 layout, such as the WiFi Shield and Ethernet Shield, will be compatible with the Due and will cause no problems at all.
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