83. Arduino keypad display lcd e relay - PROGETTI ARDUINO

Salve amici, in questo tutorial vedremo come configurare un keypad su Arduino. Attiveremo un relè da 5V quando la password inserita è corretta così da attivare un elettro serratura o un relè

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207 - Arduino Keypad and LCD display

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AITRIP 3 Set IIC/I2C/TWI LCD 1602 16x2 Serial Interface Adapter Module Green Backlight for Arduino UNO R3 MEGA2560 (Green) : Electronics

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