LCD RGB KEYPAD For RPI

Feature requested and implemented
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drklas73
Posts: 6
Joined: Wed Apr 19, 2023 7:40 pm

LCD RGB KEYPAD For RPI

Post by drklas73 »

Does anyone have a basic program that drives this circuit?
The circuit link: https://werner.rothschopf.net/microcont ... 017_en.htm
It bases the Microchip MCP23017 I2C 16-io circuit.
Help me
DRK
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