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Arduino MEGA ADK R3 for Android


Price: $59.95 & FREE Shipping. Details
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  • The Arduino ADK is a microcontroller board based on the ATmega2560
  • It has a USB host interface to connect with Android based phones, based on the MAX3421e IC
  • For information on using the board with the Android OS, see Google's ADK documentation.
  • Android Development Board
  • R3 board
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Arduino MEGA ADK R3 for Android + Wall Adapter Power Supply - 9V DC 650mA + SainSmart HC-SR04 Ranging Detector Mod Distance Sensor (Blue)
Price for all three: $70.47

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Product Information

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Brand NameCarNetix
Item model numberUM-H4JR-VSOH
Hardware PlatformPC
Operating Systemother
  
Additional Information
ASINB007BT37BC
Shipping Weight1.6 ounces (View shipping rates and policies)
Date First AvailableFebruary 21, 2012
  
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Amazon.com Return Policy: You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellableRead more condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
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Product Description

The Arduino ADK is a microcontroller board based on the ATmega2560 (datasheet). It has a USB host interface to connect with Android based phones, based on the MAX3421e IC. 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. The ADK is based on the Mega 2560. Similar to the Mega 2560 and Uno, it features an Atmega8U2 programmed as a USB-to-serial converter. For information on using the board with the Android OS, see Google's ADK documentation. New for R3: 1.0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes. Stronger RESET circuit.

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Customer Reviews

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5 of 5 people found the following review helpful By WinCrazy on December 24, 2012
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Seems to work fine. (See design flaws' descriptions below.) Have extensively tested all the USARTS and TIMER1.

Unfortunately, the MCU has a ceramic resonator clocking it, not an accurate crystal. This is very poor design for both this ADK and the basic Mega 2560 model. Arduino has the only AVR development boards I've seen that do not have crystals clocking the MCU. This is a terrible way to "cheap out" which makes accurately measuring wall-clock-time durations impossible. A crystal costs less than 50 cents in quantity ! Even stranger is that the 2 USB interface processors do have crystals.

Also, PB6 is not wired to connector JP6 as the schematic indicates. PB6 is wired to where the schematic says PB7 should be. PB7 is tied to the user LED and nowhere else. The polarity needed to control the user LED is backwards from what is expected because Arduino used a spare op-amp to buffer the drive signal. The use of a buffer is pointless because pin PB7 can directly drive such a low power LED and the PB7 signal goes nowhere else on the board.

As with all the Arduino's "extended" size boards, all the connectors are not positioned on 0.1 inch centers relative to each other. This makes creating a hand-wired proto board impossible to plug into all the connectors at once, which is a very desirable thing to do. I can only come to the conclusion that Arduino has done this on purpose to prevent the casual experimenter from making a properly fitting plugin board. There is no good reason why Arduino created this obviously flawed board layout and continues to create new boards with this moronic connector positioning.

.
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1 of 1 people found the following review helpful By s7ae1k3r on March 30, 2013
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Doesn't come with any cables,
No power cable,
No programming cable,

Doesn't advertise coming with cables,
Is a functioning R3 Arduino Mega ADK.
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2 of 3 people found the following review helpful By Eric Fossum on December 4, 2012
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I haven't done much more than simple communication with my phone, but I can tell that this board has high potential for future projects.
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By E. Bryant on April 10, 2014
You might be able to get this to work with other devices but after many tries getting it to work with a Nexus 7 I gave up. I did see somewhere on the Internet that Google had made a change and this device was no longer compatible with Nexus 7. Unfortunately, I discovered this after I had bought the ADK and my Nexus 7. I do like the board because it has a lot of data ports, which comes in handy if you have a shield using some and need extra. I also like my Nexus 7, but it is a shame they will not work together. Determined I made a request to Google tech support hoping someone there would be able to advise me on how to get them to work. I found very little help on their developers pages and with the community. The same when for their tech support. Someone told me I would be contacted by someone that could help me, but when I explained about not being able to get the Nexus 7 to community with the ADK the answer was, "sorry can't help you." It appears Google is good about putting out high tech devices, but then disavow any knowledge of the device. Tons of information on their developers website, but no help whatsoever.
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I bought this wanted to experiment with Android and hardware connections. After the hardware ADK was announced I got very excited about the future of Android and wanted to see what it could do. However, there are problems with vendors' acceptance of the hardware standards. Apparently handset manufacturers still refuse to understand the importance of standard interfaces for their products. Specifically my Samsung Galaxy Note 2, running the latest built of Android, doesn't acknowledge the ADK exists when connected. This is extremely frustrating! Apple has an entire ecosystem of products that work with their handsets and Android is still back in the stone ages.

Anyway, it is still a good Arduino device, but unless you're using a Nexus phone I wouldn't bother. If you just want an Arduino get the standard MEGA or the original.
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