EK701

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Activity overview

Latest activity by EK701
  • EK701 created a post,

    NHD-2.7-12864UCY3 brightness/contrast adjusting

    Is the 0x81 command the correct one to adjust the brightness/contrast on the NHD-2.7-12864UCY3?  If not, what is?  What is the acceptable range?  0-255? 

  • EK701 commented,

    Thanks!

  • EK701 commented,

    It looks like U1 is the problem.  I couldn't read the marking on it.  Can anyone tell me what this device is so I can replace it?  On a NHD-2.7-12864UCY, the same device (U4) is only marked BLCVA a...

  • EK701 commented,

    Thank you!

  • EK701 created a post,

    NHD-2.7-12864UCY3 ground question

    Is there any reason I can't tie all the grounds to together at the NHD-2.7-12864UCY3 and only run one ground wire to the MCU?

  • EK701 commented,

    Just a follow up.  I removed C1 and C2 and the short still persists.  I did find a few interesting things with further testing.  With 3.3VDC applied to pin 2 and pin 1 connected to ground on the po...

  • EK701 commented,

    Anyone have any ideas?  Does Newhaven participate in the forum?

  • EK701 created a post,

    NHD-2.7-12864UMY3 - VDD short to VSS

    I've been using an NHD-2.7-12864UMY3 to do a bunch of prototyping and I think I've managed to cause an electrical issue with it.  With the display not connected to anything, there is a short betwee...

  • EK701 commented,

    Thank you, that helps!The U8glib does the following (https://code.google.com/p/u8glib/source/browse/csrc/u8g_dev_ssd1325_nhd27oled_gr.c?name=v0.06):/* http://www.newhavendisplay.com/app_notes/OLE...

  • EK701 created a post,

    NHD-2.7-12864UMY3

    I'm trying to use the NHD-2.7-12864UMY3 with an Arduino Micro and am having difficulties with the electrical interface.  I am unable to get the display to turn on.  If I provide +3.3VDC and GND to ...