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1  Topics / Robotics / Re: And another self balancing robot on: April 25, 2013, 02:25:21 pm
The PDF was great. I learned a lot. I am relatively new to this platform, and my C experience is really way before the ++ came into play.

The code shared at the link above is a library as I understand it. bRobot.cpp and bRobot.h . I understand where to put the libraries in the folder, but I see no code that would call the libraries.

I would appreciate any help anyone can give.

2  Using Arduino / Motors, Mechanics, and Power / Re: Arduino Motor Shield: The A2+A3 analog input pins are wrong! on: November 16, 2012, 07:35:19 pm
I am having a similar problem. The LadyAda Motor shield does not use the Analog pins A0-5 . When I have the LadyAda Motor shield unplugged the sensor I use in Analog A0-5 work as expected. When the Motorshield is plugged in the wires seem crossed between A0 and A1 and sometimes other pins. My motor shield is plugged into a different set of batteries, the Arduino is plugged into the USB. If someone has come up with an explanation I would love to hear it. Thanks in advance. The thanks after are coming too.
3  Using Arduino / Sensors / Re: Thermocouple readings don't change..... on: January 04, 2012, 09:45:28 pm
You should be able to read the change in millivolt output of the thermocouple using a good volt meter. This might be obvious but the thermocouple unless it is already sheilded should be protected from the water with a plastic bag or something. Good Luck.If you are getting a voltage change then you have a problem further downstream. I have not worked with the Ladyada board.
4  Using Arduino / Project Guidance / Re: Thermocouple K >1875 F / >1024 C on: January 04, 2012, 09:40:20 pm
Type K thermocouples are limited in functionality at higher temps. Often manufacturers list upper limits that are lower than their true upper limits because the thermocouple degrades too quickly at high temps.Most of the 1870 F limits I have seen have more to do with the meters or the stainless casing on the thermocouples. If I were building for higher temp use (above 2200F) and I wanted reliability I would use a type R or some other similar platinum/platinum-Rhodium type device. I am unfamiliar chips. I hope this at least indirectly helps.
5  Using Arduino / Sensors / Re: AD595 Thermocouple Calibration, URGENT HELP GREATLY APPRECIATED on: January 04, 2012, 09:33:06 pm
The lead wires have to either be the same wire or similar in terms of  how they function as thermocouples. Otherwise you get thermocouples at each union.It is also smart to make sure your connections are good. Twisting the lead wire is smart as is shielding it especially for long runs. If you are having troubles try it with short leads, a foot or two. Make sure your supply for your controller/ amplifier etc is sufficiently sheilded from your relays. I built a kiln controller with a Radio Shack Color Computer and an Analog Devices Chip in the mid 1980's.
If you get something working with an Arduino, I would love to hear about it.
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