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by hkilts
Mon Jan 04, 2010 12:06 pm
Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
Topic: VK204-25 VFD prints garbled char
Replies: 1
Views: 3566

VK204-25 VFD prints garbled char

Hello:

I am trying to use the display with I2C. I have 1500 ohm pull-ups and am sending at only 20,000 bits per sec. From the CPU side it looks like it works in that I can transmit and get an ACK. I have it sending a single character every 1 second. It prints a variety of garbled characters instead ...