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5716  Topics / Robotics / Re: Driving an encoder motor?????????? on: March 24, 2012, 07:09:21 am
Looks to me like the motor and quadrature encoder connect to one end and a serial port connects to the other end.

What motor and encoder do you have?
5717  Using Arduino / Microcontrollers / Re: New Atmega328 chip on: March 23, 2012, 06:50:20 pm
You can also use the ArduinoISP sketch (File > Examples > ArduinoISP) to use one of your UNOs as an In-circuit System Programmer to burn a bootloader onto one of the new chips.

Be warned that the reduced serial buffer size in Arduino 1.0 has been causing many failures in ArduinoISP.
5718  Development / Other Software Development / Re: AVRProjectIDE with version of Arduino 1.0 on: March 23, 2012, 06:48:40 pm
Did you include Arduino.h like the Arduinbo IDE does?
5719  Using Arduino / General Electronics / Re: Limit distance between Arduino UNO or MEGA and Force sensors. on: March 23, 2012, 06:13:06 pm
Not all force sensors are identical.  What is the output of the force sensor?  What is the output impedance?  What are the electrical characteristics of the twisted pair cable?
5720  Topics / Robotics / Re: Driving an encoder motor?????????? on: March 23, 2012, 05:48:34 pm
Did you read the manual?
http://robokits.co.in/documentation/Serial_DC_Encoder_Servo_Driver.pdf
5721  Using Arduino / Microcontrollers / Re: New Atmega328 chip on: March 23, 2012, 05:43:04 pm
Unless you bought the chip from someone who said it had the Arduino bootloader burned into it already you probably got one fresh from the factory with no bootloader.  The easiest way to burn a bootloader is with an ISP device like the USBTinyISP or USBasp.  You can buy one for less than the price of an Arduino.
5722  Using Arduino / Programming Questions / Re: Help - unable to compile example in flash library using FreeBSD on: March 23, 2012, 12:04:51 pm
Apparently, whatever code supports the << operator for serial output doesn't support __FlashStringHelper.

I'm afraid you'll have to use Serial.print(F("String")); instead of Serial << F("String");
5723  Using Arduino / Project Guidance / Re: 5V 2.0A AC: not enough, but USB is fine on: March 23, 2012, 11:48:43 am
What model Arduino?  What LCD?  How are they connected?
5724  Using Arduino / Programming Questions / Re: Constructor hanging at Wire.endTransmission() on: March 23, 2012, 10:56:04 am
I suspect that the DS1307 constructor is being called before the Wire constructor.  Since the Wire object isn't valid yet the Wire.begin() may be failing.

Rather than creating the object with date and time you might want to create the object empty and set the data and time at run time.
5725  Using Arduino / Project Guidance / Re: Trouble getting Shield to work with jumpers off the Arduino. on: March 23, 2012, 10:51:25 am
Look at the schematic: http://www.sparkfun.com/datasheets/DevTools/Arduino/cellular%20shield-v12.pdf

It uses Vin, not 5V, and has an onboard regulator.  I'm surprised it works if the Arduino is running of USB power instead of Vin.

It also has the option to use D2 and D3 instead of RX (D1) and TX (D0).
5726  Using Arduino / Project Guidance / Re: 6DOf IMU + Servo control help please. on: March 23, 2012, 10:45:02 am
Have you got your two (or three) servos connected to your camera and able to tilt and pan (and roll)?
5727  Topics / Science and Measurement / Re: 6 NTC on: March 23, 2012, 10:07:34 am
What part is not working?
5728  Using Arduino / Sensors / Re: Help with arduino infrared remote on: March 23, 2012, 10:04:33 am
http://www.arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
5729  Using Arduino / Project Guidance / Re: 3.3v vs 5v, can't make up my mind on: March 23, 2012, 09:57:40 am
3.3V is just a little low for running an ATmega at 16 MHz.  Many people do it without problems but to keep within specs you need, I think, 3.6V for 16 MHz operation or run at 8 MHz.

Is Pro1 running on batteries?  If that is the case you would probably want 3.3V and 8 MHz because both will extend battery life.

I would tend toward 3.3V just to simplify the peripheral connections.
5730  Using Arduino / Networking, Protocols, and Devices / Re: UDP NTP Clients on: March 23, 2012, 09:43:31 am
which ends up being "1N14". Does anyone know why this was chosen,

1N14 is a model of Nixie Tube use in some Nixie Clock projects.
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