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Netduino Plus 2

4.3 out of 5 stars 39 customer reviews

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  • 168MHz Cortex-M4 MCU. 384KB Code Storage. 100+ KB Available RAM.
  • Netduino Plus 2 offers 22 GPIOs combined with SPI, I2C, 4 UARTs (1 RTS/CTS), 6 PWM channels and 6 12-bit ADC channels. Plus MicroSD storage and Ethernet IP networking.
  • .NET Micro Framework combines the ease of high-level coding and the raw features of microcontrollers.
  • 3rd-party accessories offer pre-built functionality like GPS location, servo control and battery power.
  • Design files and source code are included. MicroUSB cable included for a limited time.
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Product Description

Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment. Suitable for engineers and hobbyists alike. Input. Output. Interface with switches, sensors, LEDs, serial devices, and more. Netduino offers 22 GPIOs combined with SPI, I2C, 4 UARTs (1 RTS/CTS), 6 PWM channels and 6 12-bit ADC channels. Code. Debug. Repeat. .NET Micro Framework combines the ease of high-level coding and the raw features of microcontrollers. Enjoy event-based programming, multi-threading, line-by-line debugging, breakpoints and more. Very expandable. 3rd-party accessories offer pre-built functionality like GPS location, servo control and battery power. Netduino is also pin-compatible with Arduino shields. 3rd-party drivers are required for some Arduino shields. Design files included. Netduino is an open source electronics platform. All design files and source code are included. Learn from the designs. Remix. Enjoy the freedom of open source. Netduino Plus includes all hardware features of the Netduino--plus MicroSD storage capabilities and an Ethernet jack for fast integrated IP networking.

Product Information

Product Dimensions 5.5 x 4 x 2.4 inches
Item Weight 1 ounces
Shipping Weight 2.4 ounces
Manufacturer Secret Labs
ASIN B009QOYK2U
Item model number NetduinoPlus2
Customer Reviews
4.3 out of 5 stars 39 customer reviews

4.3 out of 5 stars
Best Sellers Rank #15,044 in Computers & Accessories > Computer Components
Date first available at Amazon.com November 7, 2012

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Customer Reviews

Top Customer Reviews

By John S. Kjellman on August 5, 2014
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The Netduino Plus 2 is the latest version of the Netduino board. A Netduino is similar in layout to an Arduino UNO (AVR processor based prototyping board) but uses a 3.3 V 168 MHz 64 bit ARM7 processor instead of the 5 V 16 MHz 8 bit AVR processor the Arduino uses. There is an Arduino DUE board which uses a 3.3 V 84 MHz ARM processor but it is not 5 V tolerant so it cannot be used with 5 V shields while the Netduino is 5 V tolerant and should work with most 5 V shields.

The Netduino also has built-in Ethernet and SD Card hardware and software support so no extra shields are required. The Netduino I/O pins are 5 V tolerant so it should work with most 5 V Arduino shields. What the Netduino does not have is the ability to directly use Arduino libraries. This is because the Netduino is programmed in C# using Visual Studio 2010 while the Arduino is programmed in C/C++ programming using their own IDE. The combination of C# and VS is very powerful and allows full debugging capabilities. The Arduino IDE is fairly limited and only allows "print" style debugging. Where the Arduino programming environment out shines the Netduino is in libraries written by others. Using these much of the code you would otherwise need to write (to operate an LCD display, talk to an I2C device, etc.) is already written and debugged for you. The Netduino .NET micro framework does have 3rd party code available, just not as much.

The Netduino also suffers from a lack of support (as of this writing) by Microsoft. While they did make the .NET micro framework open source they have not kept it as up to date as the full blown .NET framework. For example, the micro framework still requires VS 2010 while the .NET framework uses VS 2013.
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I have been buying and using the original Plus boards for several years successfully, having built my own shield. I recently decided to upgrade to the Plus 2 boards. So far, I have been completely unsuccessful in getting the GPIO, PWM, or Analog Pins to work. It's likely something I am doing wrong, I am still working on the issue and I believe that in time I am likely to succeed, however....

The reason for my low rating is that the main (perhaps only) point of contact for technical support seemed to have vanished from the support forum. Without support, this product will be very difficult to work with. It may be possible to get questions answered from other users, but the manufacturer's support is no longer available. I hope this is a temporary situation, time will tell.
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I had been looking into getting an Anduino board to experiment with microprocessor boards but was hesitant about not being able to use the programming environment (Visual Studio 2010) I was comfortable in. When I discovered this board and it's compatibility with .NET I snapped it up as it meant I could program within Visual Studio. The device seems very reliable and tough which you want when you are learning the ropes and likely to do things that could go outside the boards working parameters. I've overloaded it a few times but it seems to always turn back on after its built-in safety shutdown. Obviously being a newer device than the Anduino the support network and learning resources aren't anywhere near as thorough although the Netduino forum is a good start. I'd like to see improved learning materials for beginners, currently there isn't anything I'd happily recommend, but being able to see syntax errors in Visual Studio as you work and use the debugger teaches you a lot.
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This a great way to learn about microcontrollers, whether you are an avid computer programmer (like me), or whether you are interested in learning programming while dealing with the hardware. Before purchasing Netduino Plus 2, remember that you need a breadboard, resistors, jumper wires, and other things. Power supply is optional if you do not want to power via USB. I also recommend doing the blinking LED tutorial, to make sure the Netduino Plus 2 works, before proceeding with the more advanced projects.

== Pros ==

* Comes with built in Ethernet jack
* Well packaged
* Comes with USB cable
* Very sturdy and well built

== Cons ==

* Mini USB has some trouble when plugged in to the board. But do not panic you just need to put a little brute force.
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Great board, easy programming.

I have tried many boards out there but with my background in Visual Studio and Visual Basic this is perfect board to work with.

My first program was up and running within 15 minutes with a temperature probe and output to LCD screen.

I only wish this devices came with a real time clock.
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Installed micro framework, plugged in and within minutes I was running programs on the device. I added a lcd shield and a rs232 ttl adapter and am controlling my alarm system over the Ethernet. It only took a few 1000 lines of c# code. Incredible.
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C# is wonderful, Visual Studio is an amazing development environment, and now that MS is continuing to work on the Micro Framework, these things have a brighter future. Sure I miss the breadth of drivers and libraries available for an Arduino, but for me the language, debugger and active Secret Labs community make up for it.
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