Chris O.

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Activity overview

Latest activity by Chris O.

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. NHD-0420DZW-AY5 and Arduino

    HiThis may help for anyone looking here in the future http://runawaybrainz.blogspot.com/2014/01/midas-2004-oled-character-display.html

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. NHD-0220DZW-AB5 help！！！

    Quote 1. Question 1:     After reading the NHD-0220DZW-AB5 datasheet, I did not find a way to control the screen brightness. I do not know if the product does not support it or if it is not my wa...

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. NHD-3.12-25664UCB2 Problem Displaying Text

    Quote Does anyone have a snippet or library to do this? It seems like there is a library for every other display except this one. I am using an Arduino Mega 2560.   I did use u8glib library bef...

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. NHD-3.12-25664UCB2 dim display with banding?

    NHD-3.12-25664UCB2 Supply Voltage 3.3V MaxI hope you are not running the display without proper voltage level shifter in case of Arduino UNO 5v device.I suggest checking out the u8glib library by O...

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. NHD-0420CW-AB3 I2C Setup Question

    I see.On my setup i got the REGVDD connected to GND  for  3.3v.  datasheet page 4  https://newhavendisplay.com/content/specs/NHD-0420CW-AB3.pdf    [REGVDD=0V for 2.8V operation]

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. NHD-0420CW-AB3 I2C Setup Question

    O :) Quick question?Are you running the display on 5 volts or 3.3 volts?

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. Scrolling on NHD-0420CW-AY3(US2066)

    The IS logic bits are set by Function Set, p27(Bottom of the Page)Please Note the continuation of Function Set is on the next page 28 (Top of the Page)The RE logic bits are set on page 28.Now comes...

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. Scrolling on NHD-0420CW-AY3(US2066)

    How about Double Height (4-line) / Display-dot shift. void OLedI2C::setDoubleH(uint8_t MODE) // 09-19-2015 Chris O. / Double Height Display MODE 0~4/*---- MODE: "0"=Normal 4-line, "1"=Bottom half D...

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. Scrolling on NHD-0420CW-AY3(US2066)

    Let's start with an easy one.  ;PSD logic bits are set by Extension register in OLED Characterization p.29 hex 0x78 b1111000 / 0x79 b1111001example Set Contrast Control: void OLedI2C::setContrast(u...

  • Chris O. commented,

    1. Community
    2. OLEDs
    3. NHD-0420DZW-AB5 SPI Clarification

    HiI'm a happy user of the Newhaven-NHD-0420DZW-AY5.But i use this datasheets http://www.adafruit.com/datasheets/WS0010.pdfThe main differences in the instructions.1) Has a Character mode and a Gr...