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256  Using Arduino / General Electronics / Re: Transistor Base Resistor Choices? on: May 14, 2012, 04:20:02 pm
In the US this is a great assortment:  http://www.amazon.com/Joe-Knows-Electronics-Value-Resistor/dp/B003UC4FSS/ref=sr_1_1?ie=UTF8&qid=1337030229&sr=8-1&tag=68656c7064757-20
257  Using Arduino / Sensors / Re: Reading Oregon OS V3 sensors on: May 14, 2012, 11:58:09 am
Perhaps you are referring to the Weather  Station Receiver Shield and it's sketch from the book Practical Arduino?

If so, here is the link for the code: https://github.com/practicalarduino/WeatherStationReceiver
258  Using Arduino / Sensors / Re: Multiple Temperature Sensors on: May 14, 2012, 11:47:24 am
Each DS18B20 has a serial number, so the temperatures from each are reported separately.
259  Community / Bar Sport / Re: Excellent Mega Clone on: May 08, 2012, 06:40:00 pm
I will definitely be looking for your third version.
260  Community / Bar Sport / Re: Excellent Mega Clone on: May 08, 2012, 11:37:53 am
For the most part I am too impatient to wait for things to swim to the USA from China, so I will buy locally unless it's just an impulse buy for something that I really do not need.  If I am buying for a project that MUST WORK, I will buy domestically if at all possible.

Liudr - there is NO COMPETITION for your shields in my opinion.  You provide that "value added" that more than makes up for the price.
261  Community / Bar Sport / Re: Excellent Mega Clone on: May 04, 2012, 10:55:49 pm
I've been looking at that board.  Now that I've read this I'm definitely going to pick it up, as well as their w5200 Ethernet shield.
262  Using Arduino / Programming Questions / Re: help needed on bit of code, please, anyone???? on: May 04, 2012, 09:03:57 pm
It should look like this:
 Serial.write(cmd);
 Serial.write(data1);
 Serial.write(data2);

etc...
263  Using Arduino / Installation & Troubleshooting / Re: Arduino Mega com port not free on: May 04, 2012, 11:30:30 am
When that has happened to me, I just waited about 15 seconds and then plugged it back in.
264  Using Arduino / Installation & Troubleshooting / Re: Arduino USB problem (mac OS X) on: April 30, 2012, 04:40:50 pm
If you would let us know what you have tried, it can save some time in us offering suggestions that you have already tried.
265  Using Arduino / Installation & Troubleshooting / Re: Arduino USB problem (mac OS X) on: April 29, 2012, 05:13:50 pm
Turn bluetooth off on your mac and then try USB again.
266  Using Arduino / Installation & Troubleshooting / Re: arduino and Ipad on: April 29, 2012, 05:10:35 pm
The answer to ALL of your questions is no.
267  Using Arduino / Project Guidance / Re: directory structure - I give up on: April 24, 2012, 07:11:38 pm
In the Arduino IDE, click on File -> Preferences, look at the "Sketchbook location:" at the top. It will look something similar to this (C:\Users\admin\Documents\Arduino)  Inside that directory is where you put your libraries folder, and inside that libraries folder is where you put new libraries.  So in the example case above, your libraries folder would go in C:\Users\admin\Documents\Arduino\LIBRARIES.  The libraries directory under the Arduino-1.0 is NOT where you put new libraries.
268  Using Arduino / Project Guidance / Re: I can't select a serial port. on: April 21, 2012, 12:14:19 pm
Take a look here:  http://arduino.cc/en/Guide/Windows#toc4
269  Using Arduino / Installation & Troubleshooting / Re: Serial port 'COM6' already in use. ┬áTry quiting any programs that may be... on: April 21, 2012, 01:10:58 am
Unplug the USB cable, wait about 15 seconds then plug it back in.  Make sure that nothing else is accessing the COM port.  Reboot if those fail.
270  Using Arduino / Project Guidance / Re: Plant watering system with a Seeedstudio solenoid valve on: April 14, 2012, 10:54:52 pm
Both of those should work just fine with Arduino.  See this http://arduino.cc/playground/Learning/SolenoidTutorial for information on using the solenoid with Arduino.

Look here http://www.seeedstudio.com/wiki/index.php?title=G1/2_Water_Flow_sensor#Reading_Water_Flow_rate_with_Water_Flow_Sensor for information on using the hall effect water flow sensor with Arduino.
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