Add header file for a motor encoder class.

ino/contact_printer/EncoderMotor.h

@@ -0,0 +1,21 @@
+#ifndef ENCODER_MOTOR
+#define ENCODER_MOTOR
+
+#include <Arduino.h>
+
+class EncoderMotor {           
+
+	private:
+		uint8_t enable_pin;
+		uint8_t forward_pin;
+		uint8_t backward_pin;
+		uint8_t pwm_duty_speed = 255;
+		uint32_t pwm_frequency = 30000;
+
+	public:
+
+	EncoderMotor();
+
+};
+
+#endif