As you know, any L298N module has the ability to drive two motors at once, but you may not know that one instance of the library is intended to pilot only one motor. So if you need to drive two motors ...
The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...
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