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EdO

Member Since 21 Aug 2010
Offline Last Active Jul 24 2011 04:35 PM
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Posts I've Made

In Topic: Netduino Interfacing with Eye-Fi SD Card

16 September 2010 - 04:19 AM

When I read your article on the GPS truck tracking system, I thought about how you might be able to use the Eye-Fi to easily transfer the data logs to your "server" as you arrived into the driveway. Just thoughts as I don't have one to prototype with. If you do get one, you might find that you would need to name your logs with a "jpg" extension so the Eye-Fi transfers the files.

In Topic: Sparkfun LCD

24 August 2010 - 01:56 AM

I think that your issue might be with the "other" pins. Pins such as R/W needs to be grounded and Vo needs to be on a pot.

Check out this diagram at http://arduino.cc/en...l/lcd_schem.png, for details. Just watch out the Digital pins are mapped differently than todotani's example from GHIElectronics library.

I also noticed that some of the sample posts in this thread, included mismatched pin types:


LCD_D4 = new OutputPort(Pins.GPIO_PIN_D13, false);
LCD_D5 = new OutputPort(Pins.GPIO_PIN_A0, false); << Wrong this is an analog pin, A for "analog", should be a digital pin
LCD_D6 = new OutputPort(Pins.GPIO_PIN_A1, false); << Wrong, same issue
LCD_D7 = new OutputPort(Pins.GPIO_PIN_A2, false); < Wrong, same issue.

Hope this helps
Ed

In Topic: Sparkfun LCD

22 August 2010 - 05:59 PM

See my "HD44780 LCD display in 4-bit mode using 4 data wires" post under the "General" section for solution.

In Topic: HD44780 LCD display in 4-bit mode using 4 data wires

22 August 2010 - 05:56 PM

Thanks very much for the information, it worked !

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