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Snipehunter

Member Since 13 Aug 2010
Offline Last Active Aug 23 2010 03:49 AM
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Posts I've Made

In Topic: More blinking leds

22 August 2010 - 04:56 PM

Man, I love this place. The answers to my questions come before I even get to the point where I'm writing up the question post! Great blog post there Szymon; it taught me a lot!

In Topic: Analog Input Help Needed

22 August 2010 - 04:40 PM

AnalogInput.SetRange maps the analog input values to a specified range of integres. If 0-1023 on your device maps linearly to 0-100, then AnalogInput.SetRange(0, 100) will cause the AnalogInput.Read() method to return those values instead.

You can also submit reverse values to SetRange, such as AnalogInput.SetRange(100, -100)--which would cause an analog reading of 0V to return 100 and an analog reading of 3.3V to read -100.

Chris


I really should pay more attention to the methods that are available in each class. I wrote my one code to do that recently. ;)

In Topic: SFE Joystick Shield

20 August 2010 - 04:59 PM

Personally, I like it the way it is. I was not confused by the AREF at all, my problem was that initially I did not pay attention to the fact that the shield had wired the pots to 5 vdc. Then in my haste to compensate I over drove the A/Ds by attaching AREF to 5V. Through this I learned a lot about the Netduino and its relationship to the Arduino. I won't make the same mistake again and hope that my original post will help others.
I conform strongly to the concept of modularity, therefore I feel that if the shield uses A/Ds then it is responsible for supplying the AREF. It may not matter much in the case of a connected shield, but having the A/D source supply the AREF is one sure way of insuring that the A/D's are reading accurately.
So my vote would be, If you are going to add "internal AREF" it should be done via a jumper on the Netduino and the jumper should be left off by default.
I plan to make all my projects supply the AREF for accuracy, so don't break my projects please.


I literally only just discovered what the hell AREF is even for last night when I tried to work with analog inputs for the first time, but I totally agree. An internal AREF (as long as its controlled by a jumper) would be a nice convenience, but now that I sorta get what I'm doing, I'd rather not give up the bit of flexibility I only just discoverd I have.

In Topic: Oz-Solutions: Tutorial #1 (Revision)

16 August 2010 - 11:31 PM

By the way what do you guys think of my little recording studio? I made a white screen and a little white pyramid to hold up the Netduino.


Heh cool! I was impressed with your presentation; nice to know how you did it. :)

In Topic: Netduino scheduler

16 August 2010 - 03:14 AM

Wow, this is rad! This is a great starting framework for a birthday gift idea I had this morning (I'm going to haunt the dollhouse of a friend's daughter as a birthday gift ;) ). Assuming I actually get what I'm looking at, it seems like your scheduler framework takes care of like half the heavy lifting I was looking at for this thing. I'll let you know how it turns out! :D

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