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1
OLEDs / Re: NHD-0216MW-IB3 pinout
« Last post by TOsbrink on February 24, 2018, 04:05:04 PM »
I would suggest an update to the drawing to make the pin arrangement clear to future users. I ran into the same issue and was glad to find the answer here, but it would have been better to have the drawing clear.
2
Customer Projects / amor descontrolado gratis pdf version
« Last post by BorisAness on February 24, 2018, 03:48:15 PM »
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3
Accessories / MOVED: NHD-4.3RTP-SHIELD-V Problem
« Last post by Paul_B on February 22, 2018, 03:20:45 PM »
4
OLEDs / Re: Issue about drawing on NHD-1.27-12896UGC3
« Last post by balazs on February 22, 2018, 02:04:52 PM »
The display is mounted with its connector on the upper side. So like in the position in the datasheet. (https://imgur.com/a/9n14V) Is this correct? I hope so...   ::)

I tried the configuration data 0b10010000 for the A0 register, and this config resulted as in the attached image (https://imgur.com/a/VKwRA). It seems like the character is in the correct form and drawn from the correct corner, but streched and misaligned.

What should I try?

Bests
5
OLEDs / Re: Issue about drawing on NHD-1.27-12896UGC3
« Last post by Paul_B on February 22, 2018, 12:04:18 PM »
Thank you for the information, can you please let me know how the NHD-1.27-12896UGC3 module is mounted in the enclosure? Any chance that it is mounted upside down  :o

Sorry, I have to check for my own sanity...
6
Graphic LCDs / Re: NHD-C160100DiZ-FSW-FBW won't display anything
« Last post by ronnietango on February 22, 2018, 11:18:03 AM »
Hi Ted,

Thanks for the quick response.  However I had already found this code, and it's more or less exactly the same as the code in the datasheet with the very small addition of the actual calls to the show() function in the main loop (and the #include of the picture.h file, which does not seem to be provided).

It also looks like the show() function is written to work with mode 1 (160 x 100), but the init sequence sets the display to mode 0..?

As far as I can tell from the datasheet (though please correct me if I'm wrong), once data is written to the pages, it should be displayed automatically (i.e. there isn't an "update display" command that needs to be called)?  Can you explain to me how to read from the display data registers in order to check if they're being written correctly?
7
Graphic LCDs / Re: NHD-C160100DiZ-FSW-FBW won't display anything
« Last post by Ted_M on February 22, 2018, 10:47:03 AM »
Hi Ronnie,

Please take a look at our website for more detailed example code. It is listed in our Application Notes section under example code for Chip on Glass displays.
Here we provide more complete I2C code showing writes to the display.
https://newhavendisplay.com/appnotes/excode/txt/CoGLCD/C160100DiZ.txt

I hope this code is more helpful to reference. The code listed in the display datasheet is only to provide the example initialization sequence.
8
Graphic LCDs / NHD-C160100DiZ-FSW-FBW won't display anything
« Last post by ronnietango on February 22, 2018, 10:04:22 AM »
I have a NHD-C160100DiZ-FSW-FBW display with which I can communicate via i2c.  I have successfully initialised the device and can turn the display on and off (using COM_SEND + 0xAF or AE, respectively).  I can get to this stage with several different i2c master devices (BeagleBone Black, Arduino, and using i2cset from the command line).

However, I am unable to change anything on the display by writing to the page/line/column addresses.  I also cannot seem to read from these addresses in order to verify that anything has been written.  The example code in the datasheet does not work, and the (extremely poorly written) datasheet and user guide have not been at all helpful in describing the steps necessary to write to the screen.

Can anyone explain in clear steps (and/or verified example code) how to write to the pages/lines/columns in order to change the display?

Thanks!
9
OLEDs / Re: Issue about drawing on NHD-1.27-12896UGC3
« Last post by balazs on February 21, 2018, 11:24:00 AM »
Hi Paul!

Thank you very much for your response.

Well, I have modified the data sent after the command 0xA0. The only modification that resulted normal picture in the screen was the A[1] bit. When I set this to 1, than the number was drawn on the right bottom corner of the display instead of the left bottom. See the picture attached.

I am confused. Is that possible the origin point of the display is in the bottom left position?

Regards, Balazs
10
OLEDs / Re: Issue about drawing on NHD-1.27-12896UGC3
« Last post by Paul_B on February 21, 2018, 10:53:16 AM »
Hi Balazs!

I believe this is related to the "Set Re-map / Color Depth" command, please see page 32 in the SSD1351 datasheet.

https://www.newhavendisplay.com/app_notes/SSD1351.pdf

Code: [Select]

oled_Command_12896RGB(0xA0); //Set Re-map, color depth   <-----------------


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