Arduino Stuff: NANO to MCP23017 4x4 Keypad 1602 LCD
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Arduino Stuff: NANO to MCP23017 4x4 Keypad 1602 LCD
I have created a Arduino sketch that uses a MCP23017 I2C I/O Expander module to interface to a 4x4 matrix keypad and a 16 char x 2 line LCD module to add to the MEGA328 PLC I purchased from Universal-Solder to allow me to control stuff. GitHub listing: https://github.com/CranialSpongeWorks/MCP23017-4x4-Keypad-1602-LCD ©Copyright 2022 D.C ...
759 viewsDec 14, 2022
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