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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
There are LCD routines in my tutorials, however I've not used a four line one - depending on type, some of them are simply two 2 line displays, with a seperate selection line for which half you're currently using. The datasheet should explain it!.
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