Mark Goncharovsky

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Activity overview

Latest activity by Mark Goncharovsky

  • Mark Goncharovsky commented,

    1. Community
    2. OLEDs
    3. NHD-0420CW_RevB shows a shadow line when updated rapidly.

    I found that root cause of the shadow line issue is the use of 'Return Home' command (hex 02). When, in my firmware, I replaced the 'Return Home' command with 'Set DDRAM Address (to  zero)' command...

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    • Mark Goncharovsky
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  • Mark Goncharovsky commented,

    1. Community
    2. OLEDs
    3. NHD-0420CW_RevB shows a shadow line when updated rapidly.

    After some more testing, I discovered that this shadow line still appears briefly even when text is written to the display at as low rate as one line per second, but this line is fainter than when ...

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    • Mark Goncharovsky
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  • Mark Goncharovsky created a post,

    NHD-0420CW_RevB shows a shadow line when updated rapidly.

    1. Community
    2. OLEDs

    I am trying to replace an old VFD display in an old product with NHD-0420CW_RevB. I got it working but there is an issue of the NHD-0420CW_RevB displaying at temporary shadow line blow the text lin...

    • Mark Goncharovsky
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    • 3 comments
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