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(For another sample code for KS/S6A, go to . TRIS_DATA_PORT &= 0xfff0; //make data port output. DATA_PORT &= 0xfff0. KS from Samsung Semiconductor Division. Find the PDF Datasheet, Specifications and Distributor Information. Jun 13, KS and SED . Character pattern data corresponding to each segment So to speak, after MPU reads DR data, the data in the next.

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I hope you didn’t miss this line – it’s several lines below the photo of the ‘blocks’, just above the next photo.

Try disconnecting both backlight wires and see if you can discern anything on the display when you run your sketch. Could I by any chance see the header file you used and possibly an example program using these functions? Pin 16 wasn’t soldered that good, so I wired it again.

There are also no bridges between pins: Your display of two rows of blocks is an indication that the LCD is not properly initialized. I’ve looked at the xlcd. Don’t wanna expend another 22 Bugs on a new LCd One other thing I might suggest, maybe you could use different port for the RS, RW, E, I know that you’d mask port D to make sure other than data bits nothing’s affected, but it’s good to be on the safe side.

I only changed the 16, 2 to 20, 4. We are back to this “The reversed backlight connections that seem to work OK still bother me as well.

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Look for poor joints and for bridges shorted pins. I get an error on compile.

Hi Marine, Thanks for the code. Here is what I have changed the define statements too and the error I get But I am able to adjust the contrast and tried already all “positions”: Thank you so much! Forums Posts Latest Posts. What else can I try to fix this damn problem? It’s basically the sample code provided by microchip, modified to run with the Samsung which is HD compatible driver instead of the Hitachi HD The datq backlight connections that seem to work OK still bother me as well.

You should have had two rows of blocks on a 20×4 display. I just can’t understand why virtually every LCD program author decides that they should deviate from the initialization sequence given in the sk0066. I found the data sheet here: Guest Super Member Total Posts: I now found out, that the display hasn’t the HD Chip but an other which is almost the same.

I checked the other pins by using the “diode” test of my multimeter one Pin to the soldered Pin, the other to the board.

Haven’t received registration validation E-mail? For my compiler, rata linker file has the following: I read of some Problems if the contrast isn’t adjusted properly.

I still suspect a bad connection between the Arduino and the LCD so now it’s time to get out the magnifying glass and check the solder connections on the LCD pins. SPI Problem converting between processor types 4×4 keypad library for xc8 compiler.


Just changed the wireing in the code: All pins fata soldered well. Debug breakpoints automatically disabled 16F88 cannot set internal oscillator frequency beyond Why does my PIC32 run slower than expected? By using the Potentiometer, I kan vary the intensitiy of the blocks from very dark to very light.

Problem: Arduino & LCD with KS / SPLC

I wired it up as explained on the adafruit website http: Ms0066 looking at the linker file and see if there is anything defined as PORTDbits, if not, see how they defined it. Also, you never commented on this from reply 3 Quote. Forum Themes Ks006 Mobile. That’s pin 5 as shown bere: It’s got to be something simple that we are overlooking. This could be due to a wiring problem or a code problem.

Fata code you referenced is another example of this, and it’s worse than most. This is the code I used. I don’t know what happened to all the other LCD guru’s.

Sample code for Samsung KS0066/S6A0069 LCD driver

Anyone an Idea kss0066 else I could do to fix the problem? Hi, Sorry I hadn’t checked this for a while. I’m not sure what that error means, maybe the linker file that you use has not defined PORTDbits since you have a different compiler?