In designing a PCB, one will encounter various types of holes. These holes are placed in different layers according to how the holes/cut-outs are used in a PCB design tool. The different layers for ...
[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his own ...
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