Arduino panel for 16x2 display and 4x4 keypad

Operator panel with 16x2 display and 4x4 keypad suited for use with i2c expanders. Perfect for arduino project.
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updated May 27, 2023

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This is operator panel i designed to my custom control system and already used it in few projects. You can use i2c expanders to make it ultra easy to hook up with only 4 wires. Keep in mind that you have to solder keypad expander exactly like on photos and that may require desoldering exsiting pin headers.

For fastening lid use M3 wood-screws and for lcd any m3 bolt, screw it with a little force to make a thread.

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