Question

jaypoc

M$1 March 21, 2009 03:30 AM

Looking for Arduino sample source code to output to a Scott Edwards LCD w/ Serial Backpack. All I get is random characters/gibberish,

I have two LCD displays with Scott Edwards Electronics Serial Backpacks. One is a BPP2/DV (4x20 w/ Back light). The other looks like a 2x20 (without a back light from what I can tell) but I don't have the model number for this one.

I have them connected to the Arduino as follows:
Arduino 5v -- BackPack 5v
Arduibo Gnd -- BackPack Gnd
Arduino TX -- BackPack Ser

I have tried:
void setup() {
Serial.begin(2400);
Serial.print("Hello World");
}
void loop() {}

but it just displays random characters on the display. I have tried other Baud Rates as well, though documentation I have (and dip switches) say to use either 2400 or 9600 (Tried both)

I contacted Scott Edwards directly and they didn't have any code for the Arduino specifically, but advised that they should work if Arduino is sending basic RS-232 data in the correct phase. He said possibly inverting the output may fix the issue, but that's outside my current knowledge of electronics.

Any thoughts or assistance (or Sample code!!!) would be appreciated, and I'll definitely credit (through thumbs up/vote best/etc) anybody who can contribute or enlighten me.

Thanks in advance.

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Answers (1)

lwelch

March 28, 2009 03:14 AM

ServoEight
This software sends out a conditioned “serial” signal to the Arduino ... (This is Scott Edwards Electronics, MiniSSC Mode, ie protocol selection ... Download and start the ServoEight Application (or the source code for ... Numerical display of position data. 3.A way to set min and max for each servo. ... I2C-SPI LCD ...

Source(s):
www.spikenzielabs.com/SpikenzieLabs/ServoEight.html

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lwelch

March 28, 2009 03:31 AM

Sorry, I think I put the Wrong Answer, try this site below, and good Luck, i have searched every where.

http://www.arduino.cc/playground/Learning/SerialLCD

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jaypoc

March 28, 2009 05:07 AM

Interesting, but doesn't help me output text to the LCD display.I appreciate the attempt though. Unfortunately, I've also been looking all over. I saw that link, but it didn't work. That source/hookup configuration just gives me random gibberish on the LCD.

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