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- Mon Apr 23, 2018 12:19 am
- Forum: SparkFun Product Questions
- Topic: 16x2 Serial LCD v2.5
- Replies: 0
- Views: 233
Hi, I don't really know what happened but when I first connected this LCD screen it showed 16 blank squares in the 1st row, and nothing on the 2nd. I am kind of new to these things, but a little bit of reading suggested its random serial inputs, even if I only wired 5V and GND. Also, the (red) backl...