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Kingduino Due AT91SAM3X8E ARM Cortex-M3 Board, 84MHz, 512KB

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Kingduino Due AT91SAM3X8E ARM Cortex-M3 Board, 84MHz, 512KB


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The Kinguino Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3 CPU (datasheet). It is the first Kingduino board based on a 32-bit ARM core microcontroller. It has 54 digital input/output pins (of which 12 can be used as PWM outputs), 12 analog inputs, 4 UARTs (hardware serial ports), a 84 MHz clock, an USB OTG capable connection, 2 DAC (digital to analog), 2 TWI, a power jack, an SPI header, a JTAG header, a reset button and an erase button.

Warning: Unlike other Kingduino boards, the Kingduino Due board runs at 3.3V. The maximum voltage that the I/O pins can tolerate is 3.3V. Providing higher voltages, like 5V to an I/O pin could damage the board.

The board contains everything needed to support the microcontroller; simply connect it to a computer with a micro-USB cable or power it with a AC-to-DC adapter or battery to get started. The Due is compatible with all Arduino shields that work at 3.3V and are compliant with the 1.0 Arduino pinout.

The Due follows the 1.0 pinout:

TWI: SDA and SCL pins that are near to the AREF pin.
The IOREF pin which allows an attached shield with the proper configuration to adapt to the voltage provided by the board. This enables shield compatibility with a 3.3V board like the Due and AVR-based boards which operate at 5V.
An unconnected pin, reserved for future use.

The Arduino Due has it's own, dedicated forum for discussing the board.

Shielded USB cable included

Microcontroller: AT91SAM3X8E
Operating Voltage: 3.3V
Input Voltage (recommended): 7-12V
Input Voltage (limits): 6-16V
Digital I/O Pins: 54 (of which 12 provide PWM output)
Analog Input Pins: 12
Analog Outputs Pins: 2 (DAC)
Total DC Output Current on all I/O lines: 130 mA
DC Current for 3.3V Pin: 800 mA
DC Current for 5V Pin: 800 mA
Flash Memory: 512 KB all available for the user applications
SRAM: 96 KB (two banks: 64KB and 32KB)
Clock Speed: 84 MHz
Dimensions: 104 x 53 x 15mm
Weight: 35g

*Note: This is not an original Arduino brand product.

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Ken | Verified Buyer

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Board is REALLY, REALLY GOOD! USB cables not so good.

Oct 27, 2018

I bought 4 of these to try out and they all worked very well. What an excellent board! You'll need to use the Arduino boards manager to download the core and board definition for the DUE board. There's no EEPROM on it, but there's a GITHUB download that you can link in to your arduino sketch to allow non-volatile writing to Flash memory from your code. Simple sketches like BLINK can run on it unmodified. It works! Two of four USB cables didn't work, but I have two good ones, so no problem. Watch out for bad USB cables that come with this board. If you use your own cable, the board will be fine.

Austin | Verified Buyer

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Customer Rated

Jan 19, 2016

It's an Arduino Due, duh. But will this clone work? Mine worked great, compatible with all the software and shields, etc. It came in a box with a cable, actually looked really good to be honest. The board didn't look janky, soldering was good, masking was excellent. It looks and preforms just like the original Italian made boards. I blew mine up being dumb, but that was my fault. Defiantly will buy more of these boards. I used one here: for a brushless motor tester.

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