jjbrewer

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Activity overview

Latest activity by jjbrewer

  • jjbrewer commented,

    1. Community
    2. Character LCDs
    3. I2C ACK issue

    I was able to insert the NXP PCA9605 between the COG LCD and the other devices and the ribbon cable.I was able to use 10kOHM for the side the COG LCD is on and iw as abke to ACK quite well.On the o...

  • jjbrewer commented,

    1. Community
    2. Character LCDs
    3. I2C ACK issue

    The issue is I need it to work with these other devices at the end of a 36" ribbon cable at 100kHz.I have attached a VISIO drawing and pictures from a O-scope of the wave forms. The 1.5K pictures a...

  • jjbrewer created a post,

    I2C ACK issue

    1. Community
    2. Character LCDs

    It was reported on the other forum that the I2C controller bounded to the NHD-C0216CiZ-FSW-FBW-3V3 COG character LCD could only sink 4ma of current.In order to get a decent waveform with the cable ...

    • jjbrewer
    • 2 followers
    • 5 comments
    • 0 votes