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Help me get started please!


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#1 evowerks

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Posted 01 February 2011 - 06:39 PM

Thanks in advance for your time and patience. I have very little experience or formal training in programming of any sort. I would like to buy a couple Netduino Plus units and ease into a new avenue of mental stimulation (if you know what I mean). I am as familiar as any non-engineer with hardware and electronics principles so please consider me inexperienced but not stupid. My hope is that someone can point me to some good reference material to learn .Net, Visual Studio, and C# over time, with or without formal online type higher ed. My first goal is going to be pretty straight forward. I want to link one Netduino Plus wirelessly to another connected to a PC transmitting internet from host to client via LED. (with or without fiber, preferably without) I look forward to your opinions and help. Justin in MN

#2 phantomtypist

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Posted 01 February 2011 - 07:37 PM

Let me get this straight. You want to run TCP/IP between a Netduino Plus and a computer using an LED and a photocell?

#3 CW2

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Posted 01 February 2011 - 08:06 PM

from host to client via LED. (with or without fiber, preferably without)

Do you mean an optical link based on LED photoelectric effect? Or infrared transceivers?

#4 evowerks

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Posted 01 February 2011 - 10:38 PM

Sorry for being vague. I want to basically create a fiber optic link between two Netduino units but without the fiber. In other words I want to hook a unit to the internet on one side of the room and TX/RX to the other (PC connected unit) using visible light or IR LEDs and matched photodiode. This is the first step into my larger experiment into wireless data transfer. Thanks for the early replies. CW2 I'm not too familiar with the photoelectric effect. I am thinking simpler than that. When I mentioned fiber or not, I meant that if I could establish a link with fiber optic using LED/photdiode combination I could then adapt it to communicate without the fiber using only LED/PD.

#5 Terry Massey

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Posted 02 February 2011 - 09:23 AM

I think before you begin getting too deep into this you should start simple and work your way up. here are a few kits that I think will help. and you can use the concepts from them to go on to the next step which is integrating sending data across with the netduinos. but the first step is to make the light work first.

https://www.jameco.c...10001_177092_-1

https://www.jameco.c...10001_169914_-1

https://www.jameco.c...0001_2124200_-1
Thanks,
Terry Massey

#6 hari

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Posted 02 February 2011 - 02:55 PM

Welcome to the fun world of microcontrollers!
If you have not already, you may want to look at my morse code decoder. I'm not suggesting that my code or circuit will do what you want, but IMHO it would be a good first step to get used to Visual Studio and circuits. Starting with visible light also makes debugging easier :-)

For your project, you'd probably need a carrier wave similar to what they do with TV remote controls. I'm not sure if NETMF can generate the typical 38KHz carrier wave, but keep us up to date with your explorations!

=Hari=

Thanks in advance for your time and patience. I have very little experience or formal training in programming of any sort. I would like to buy a couple Netduino Plus units and ease into a new avenue of mental stimulation (if you know what I mean).

I am as familiar as any non-engineer with hardware and electronics principles so please consider me inexperienced but not stupid. My hope is that someone can point me to some good reference material to learn .Net, Visual Studio, and C# over time, with or without formal online type higher ed.

My first goal is going to be pretty straight forward. I want to link one Netduino Plus wirelessly to another connected to a PC transmitting internet from host to client via LED. (with or without fiber, preferably without)

I look forward to your opinions and help.

Justin in MN



#7 evowerks

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Posted 02 February 2011 - 04:24 PM

OK, thanks for the links. I think I stumbled on their site in the past but I completely forgot about them. I will pick up a couple kits and start with the basics. To your knowledge has anyone to date completed a wireless (non RF) link between Netduinos and shared the code? I think the biggest learning curve for me will be learning the programming basics. Do you have any advice for reference book material to school myself on the topics I need to learn? Hari, thanks so much for the reply. I will follow through with your advice. To be honest I am a little schoolboy excited to get into this stuff. It is very interesting and seems like something I can handle. ;)




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