blowtorch

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Recent activity by blowtorch Recent activity Votes
    1. Community
    2. OLEDs
    3. NHD-0420CW-AB3 contrast (brightness)

    OK thanks.  I was hoping I could do a one off mod, the datasheet for US2066 refers to Iref on page 15 being set by resistor and I seg being a multiple thereof.

    1. Community
    2. OLEDs
    3. NHD-0420CW-AB3 init / cgram

    Hi SauraubOK fixed, thank you.  If you look at the op you can see I was asking about that.  When reading the datasheet I missed the data bit that needs to be set for "data" mode, but picked it up i...

    1. Community
    2. OLEDs
    3. NHD-0420CW-AB3 init / cgram

    Sure - its pretty standard stuff as per datasheet:Init procedure: uint8 LCD_US2066_Init() { // okuint8 ack;I2C_Start();ack=I2C_Write(LCD_US2066_ADDR);if (ack!=0) return(ack);ack=I2C_Write(0x2A); //...

    1. Community
    2. OLEDs
    3. NHD-0420CW-AB3 init / cgram

    Yes I have read the data sheet re 0x72 then 0x00. But my point re the code, is that by using the sample functions, the function named "data" actually sends ox40 then 0x00.  It works, because only t...

    1. Community
    2. OLEDs
    3. NHD-0420CW-AB3 init / cgram

    Anyone?  I really need CGRAM to be working on this display.Maybe I was not clear in first post above.  My main concern is that I cannot select the correct ROM and CGRAM which I need to be able to d...