Step 4Wiring map for reference
ARDUINO PINS:
analog 0 - DO NOT USE!!!
digital 3 - button inside
analog 3 - 10k pot outside
digital 4 - servo
digital 5 - speaker
digital 6 - button outside
digital 7 - LCD D4 11
digital 8 - LCD D5 12
digital 9 - LCD D6 13
digital 10 - LCD D7 14
digital 11 - LCD RW 5
digital 12 - LCD RS 4
OTHER:
LCD 1 - GND
LCD 2 - V+
LCD 3 - Contrast, 10k pot
LCD 15 - V+
LCD 16 - GND
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