Default value for maximum measurement distance is 4m, since HC-SR04 sensor can't measure reliably beyond that. However, if you are using another sensor or if you you don't care about distances larger ...
// ENA and ENB are NOT connected to Arduino in this build. // Leave the ENA and ENB jumper caps installed on the L298N. const byte IN1 = 2; // Left motor direction A const byte IN2 = 3; // Left motor ...
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