Want to use a Keypad in your Arduino projects but running out of Pins?
Keypads need a lot of Pins to connect to an Arduino, but by using an I2C Expander module you drop this down to only two!
Видео Want to use a Keypad in your Arduino projects but running out of Pins? канала Brainy-Bits
Видео Want to use a Keypad in your Arduino projects but running out of Pins? канала Brainy-Bits
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