diff --git a/ino/intval2_3_serial/McopySerial.cpp b/ino/intval2_3_serial/McopySerial.cpp
new file mode 100644
index 0000000..a9658fc
--- /dev/null
+++ b/ino/intval2_3_serial/McopySerial.cpp
@@ -0,0 +1,74 @@
+/// mcopy Serial Library
+
+#include "McopySerial.h" 
+
+McopySerial::McopySerial () {}
+
+void McopySerial::begin (char identity) {
+	id = identity;
+	Serial.begin(baud);
+	Serial.flush();
+	Serial.setTimeout(serialDelay);
+}
+
+char McopySerial::loop () {
+	if (Serial.available()) {
+		cmdChar = (char) Serial.read();
+		_internal();
+	} else {
+		cmdChar = 'z';
+	}
+	return cmdChar;
+}
+
+void McopySerial::_internal () {
+	if (cmdChar == DEBUG) {
+		debug(!debugOn);
+	} else if (cmdChar == CONNECT) {
+		_connect();
+	} else if (cmdChar == MCOPY_IDENTIFIER) {
+		_identify();
+	}
+}
+
+void McopySerial::_connect () {
+  connected = true;
+  Serial.println(CONNECT);
+  log("connect()");
+}
+
+void McopySerial::_identify () {
+  identified = true;
+  Serial.println(id);
+  log("identify()");  
+}
+
+void McopySerial::debug (bool state) {
+	debugOn = state;
+	log("debug()");
+}
+
+void McopySerial::confirm (char cmd) {
+	Serial.println(cmd);
+}
+
+void McopySerial::log (String message) {
+	if (debugOn) {
+		Serial.println(message);
+	}
+}
+
+String McopySerial::getString () {
+  while (Serial.available() == 0) {             
+    //Wait for value string
+  }
+  return Serial.readString();
+}
+
+void McopySerial::sendString (String str) {
+	Serial.println(str);
+}
+
+void McopySerial::print (String message) {
+	Serial.println(message);
+}
\ No newline at end of file
diff --git a/ino/intval2_3_serial/McopySerial.h b/ino/intval2_3_serial/McopySerial.h
new file mode 100644
index 0000000..f968574
--- /dev/null
+++ b/ino/intval2_3_serial/McopySerial.h
@@ -0,0 +1,91 @@
+#ifndef MCOPY_SERIAL
+#define MCOPY_SERIAL
+
+#include <Arduino.h>
+
+class McopySerial {           
+
+	private:
+
+	const uint16_t serialDelay = 5;
+	const uint16_t baud = 57600;
+
+	volatile bool debugOn = false;
+	volatile char cmdChar = 'z';
+	volatile char id;
+
+	void _internal ();
+	void _connect ();
+	void _identify ();
+
+	public:
+
+	volatile bool connected = false;
+	volatile bool identified = false;
+
+	/* CMD FLAGS */
+	const char BLACK = 'b';
+	const char CAMERA = 'c';
+	const char CAMERA_BACKWARD = 'f';
+	const char CAMERA_CAPPER_IDENTIFIER = '8';
+	const char CAMERA_CAPPER_PROJECTOR_IDENTIFIER = '9';
+	const char CAMERA_CAPPER_PROJECTORS_IDENTIFIER = '0';
+	const char CAMERA_CLOSE = 'K';
+	const char CAMERA_EXPOSURE = 'G';
+	const char CAMERA_FORWARD = 'e';
+	const char CAMERA_IDENTIFIER = 'k';
+	const char CAMERA_OPEN = 'J';
+	const char CAMERA_PROJECTORS_IDENTIFIER = '5';
+	const char CAMERA_SECOND = '3';
+	const char CAMERA_SECOND_BACKWARD = '2';
+	const char CAMERA_SECOND_FORWARD = '1';
+	const char CAMERA_SECOND_IDENTIFIER = 'y';
+	const char CAMERA_TIMED = 'n';
+	const char CAMERAS = '4';
+	const char CAMERAS_IDENTIFIER = 'a';
+	const char CAMERAS_PROJECTOR_IDENTIFIER = '6';
+	const char CAMERAS_PROJECTORS_IDENTIFIER = '7';
+	const char CAPPER_IDENTIFIER = 'C';
+	const char CAPPER_OFF = 'B';
+	const char CAPPER_ON = 'A';
+	const char CONNECT = 'i';
+	const char DEBUG = 'd';
+	const char ERROR = 'E';
+	const char HOME = 'I';
+	const char LIGHT = 'l';
+	const char LIGHT_IDENTIFIER = 'o';
+	const char MCOPY_IDENTIFIER = 'm';
+	const char OFFSET = 'O';
+	const char PROJECTOR = 'p';
+	const char PROJECTOR_BACKWARD = 'h';
+	const char PROJECTOR_CAMERA_IDENTIFIER = 's';
+	const char PROJECTOR_CAMERA_LIGHT_IDENTIFIER = 'r';
+	const char PROJECTOR_FORWARD = 'g';
+	const char PROJECTOR_IDENTIFIER = 'j';
+	const char PROJECTOR_LIGHT_IDENTIFIER = 'q';
+	const char PROJECTOR_SECOND = 'w';
+	const char PROJECTOR_SECOND_BACKWARD = 'v';
+	const char PROJECTOR_SECOND_FORWARD = 'u';
+	const char PROJECTOR_SECOND_IDENTIFIER = 't';
+	const char PROJECTORS = 'x';
+	const char PROJECTORS_IDENTIFIER = 'd';
+	const char STATE = 'H';
+	const char TAKEUP_BACKWARD = 'F';
+	const char TAKEUP_FORWARD = 'D';
+	/* END CMD FLAGS */
+
+	McopySerial();
+
+	void begin(char identity);
+	char loop();
+	void confirm(char cmd);
+	String getString();
+	void print(String message);
+	void sendString(String str);
+
+	void debug (bool state);
+	void log (String message);
+
+};
+
+#endif
diff --git a/ino/intval2_3_serial/intval2_3_serial.ino b/ino/intval2_3_serial/intval2_3_serial.ino
new file mode 100644
index 0000000..ab7f0fa
--- /dev/null
+++ b/ino/intval2_3_serial/intval2_3_serial.ino
@@ -0,0 +1,428 @@
+#include "McopySerial.h"
+
+
+//Can be controlled via serial, with mcopy and filmout_manager
+//Buttons are optional
+//Exposure controls assumes use  of a 120RPM motor
+//Uses L298N H-bridge breakout board
+//Target board is an Arduino Nano
+
+/*
+----------------------------------------------------
+Microswitch (use INPUT_PULLUP!!)
+GND-----\ | \-----PIN
+----------------------------------------------------
+*/
+
+const int MOTOR_RPM = 120;
+const int BOLEX_C = round((133 / (1.66 * 360)) * 1000); //bolex exposure constant
+const int FAST_PWM = 255;
+
+/* ------------------------------------------------
+ *  pins
+ * ------------------------------------------------*/
+//Arduino Nano
+const int PIN_INDICATOR = 13;
+const int PIN_MOTOR_FORWARD = 9;
+const int PIN_MOTOR_BACKWARD = 10;
+const int PIN_MICRO = 19;
+//6, 5, 4
+//1, 2, 3
+const int BUTTON[4] = {3, 4, 5, 6};  //trigger, delay, speed, direction
+
+/* ------------------------------------------------
+ *  loop
+ * ------------------------------------------------*/
+const int LOOP_DELAY = 10;
+
+/* ------------------------------------------------
+ *  state
+ * ------------------------------------------------*/
+volatile int button_state[4] = {1, 1, 1, 1};
+volatile long button_time[4] = {0, 0, 0, 0};
+volatile long buttontime = 0;
+
+volatile boolean sequence = false;
+volatile boolean running = false;
+volatile boolean cam_dir = true;
+volatile boolean delaying = false;
+volatile boolean timed = false;
+
+volatile int counter = 0;
+
+volatile int micro_position = 0;
+volatile boolean micro_primed = false;
+
+unsigned long timer = 0;
+unsigned long frame_start = 0;
+unsigned long delay_start = 0;
+
+String timed_str = "600";
+unsigned long timed_val = 600;
+unsigned long timed_open = 300; //ms after start_frame to pause
+volatile boolean timed_paused = false;
+unsigned long timed_delay = 0;
+unsigned long timed_last = 0;
+unsigned long timed_avg = 600;
+
+volatile int fwd_speed = FAST_PWM;
+volatile int bwd_speed = FAST_PWM;
+
+volatile long seq_delay = 42;
+volatile boolean is_open = false;
+
+/* ------------------------------------------------
+ *  serial
+ * ------------------------------------------------*/
+McopySerial mc;
+volatile char cmd_char = 'z';
+
+const int serialDelay = 5;
+
+void setup() {
+  mc.begin(mc.CAMERA_IDENTIFIER);
+  PinsInit();
+  ButtonsInit();
+}
+
+void loop() {
+  cmd_char = mc.loop();
+  cmd(cmd_char);
+
+  timer = millis();
+  
+  Button(0);
+  Button(1);
+  Button(2);
+  Button(3);
+  
+  if (sequence && delaying) {
+    WatchDelay();
+  }
+  
+  if (running) {
+    if (timed) {
+     ReadTimed();  
+    } else {
+     ReadMicro(); 
+    }
+  }
+  if (!running && !sequence && !delaying){ 
+    delay(LOOP_DELAY);
+  }
+}
+
+void cmd (char val) {
+  if (val == mc.CAMERA) {
+    Camera();
+  } else if (val == mc.CAMERA_FORWARD) {
+    CameraDirection(true);
+  } else if (val == mc.CAMERA_BACKWARD) {
+    CameraDirection(false);
+  } else if (val == mc.CAMERA_OPEN) {
+    CameraOpen();
+  } else if (val == mc.CAMERA_CLOSE) {
+    CameraClose();
+  } else if (val == mc.CAMERA_EXPOSURE) {
+    CameraExposure();  
+  } else if (val == mc.STATE) {
+    State();
+  }
+}
+
+//sending "0" will reset to default exposure time
+void CameraExposure () {
+  timed_str = mc.getString();
+  timed_val = timed_str.toInt();
+  if (timed_val < 600) {
+    timed_val = 600;
+    timed_str = "600";
+    timed = false;
+  } else {
+    timed_delay = timed_val - BOLEX_C;
+    timed = true;
+  }
+  mc.confirm(mc.CAMERA_EXPOSURE);
+  mc.log("Set exposure time to: ");
+  mc.log(timed_str);
+}
+
+void PinsInit () {
+  pinMode(PIN_MOTOR_FORWARD, OUTPUT);
+  pinMode(PIN_MOTOR_BACKWARD, OUTPUT);
+  pinMode(PIN_MICRO, INPUT_PULLUP);
+  pinMode(PIN_INDICATOR, OUTPUT);
+}
+
+void ButtonsInit () {
+  for (int i = 0; i < 4; i++) {
+    pinMode(BUTTON[i], INPUT_PULLUP);
+  }
+}
+
+void Button (int index) {
+  int val = digitalRead(BUTTON[index]);
+  if (val != button_state[index]) {
+    if (val == LOW) { // pressed
+      button_time[index] = millis();
+      //button_start(index);
+    } else if (val == HIGH) { // not pressed
+      buttontime = millis() - button_time[index];
+      ButtonEnd(index, buttontime);
+    }
+  }
+  button_state[index] = val;
+}
+
+/*
+ * dormant for now
+ * void button_start (int index) {
+  if (index == 0) {
+  }
+}*/
+
+void ButtonEnd (int index, long buttontime) {
+  if (index == 0) {
+    if (buttontime > 1000) {
+      if (!sequence && !running) {
+        sequence = true;
+        Output(2, 75);
+        Camera();
+      }
+    } else {
+       if (sequence) {
+        sequence = false;
+        //Output(2, 75);
+      } else {
+         Camera();
+      }
+    }
+  } else if (index == 1) { //set delay
+    if (buttontime < 42) {
+      seq_delay = 42;
+      Output(1, 500);
+    } else {
+      seq_delay = buttontime;
+      Output(2, 250);
+    }
+  }  else if (index == 2) { // set speed
+    if (buttontime >= 1000) {
+      timed_delay = buttontime - BOLEX_C;
+      timed = true;
+      Output(2, 250);
+    } else if (buttontime < 1000) {
+      timed_delay = 0;
+      timed = false;
+      Output(1, 500);    
+    }
+  } else if (index == 3) { //set direction
+    if (buttontime < 1000) {
+      cam_dir = true;
+      Output(1, 500);
+    } else if (buttontime > 1000) {
+      cam_dir = false;
+      Output(2, 250);
+    }
+  }
+  buttontime = 0;
+}
+
+void Indicator (boolean state) {
+  if (state) {
+    digitalWrite(PIN_INDICATOR, HIGH);
+  } else {
+    digitalWrite(PIN_INDICATOR, LOW);
+  }
+}
+
+void Output (int number, int len) {
+  for (int i = 0; i < number; i++) {
+    Indicator(true);
+    delay(len);
+    Indicator(false);
+    delay(42);
+  }
+}
+
+void Camera () {
+  frame_start = millis();
+  if (cam_dir) {
+    analogWrite(PIN_MOTOR_FORWARD, fwd_speed);
+    analogWrite(PIN_MOTOR_BACKWARD, 0);
+  } else {
+    analogWrite(PIN_MOTOR_BACKWARD, bwd_speed);
+    analogWrite(PIN_MOTOR_FORWARD, 0);
+  }
+  running = true;
+  micro_primed = false;
+}
+
+void CameraOpen () {
+  if (cam_dir) {
+    analogWrite(PIN_MOTOR_FORWARD, fwd_speed);
+    analogWrite(PIN_MOTOR_BACKWARD, 0);
+  } else {
+    analogWrite(PIN_MOTOR_BACKWARD, bwd_speed);
+    analogWrite(PIN_MOTOR_FORWARD, 0);
+  }
+  running = true;
+  micro_primed = false;
+  
+  delay(timed_open);
+
+  analogWrite(PIN_MOTOR_FORWARD, 0);
+  analogWrite(PIN_MOTOR_BACKWARD, 0);
+
+  micro_position = digitalRead(PIN_MICRO);
+  if (micro_position == LOW) {
+    micro_primed = true;
+  }
+
+  mc.confirm(mc.CAMERA_OPEN);
+  mc.log("camera_open()");
+  is_open = true;
+  running = false;
+}
+
+void CameraClose () {
+  bool microswitch_open = false;
+  if (is_open) {
+    if (cam_dir) {
+      analogWrite(PIN_MOTOR_FORWARD, fwd_speed);
+      analogWrite(PIN_MOTOR_BACKWARD, 0);
+    } else {
+      analogWrite(PIN_MOTOR_BACKWARD, bwd_speed);
+      analogWrite(PIN_MOTOR_FORWARD, 0);
+    }
+
+    while (!microswitch_open) {
+      micro_position = digitalRead(PIN_MICRO);
+      if (micro_position == HIGH) {
+        microswitch_open = true;
+      }
+      delay(2);
+    }
+    delay(10);
+
+    analogWrite(PIN_MOTOR_FORWARD, 0);
+    analogWrite(PIN_MOTOR_BACKWARD, 0);
+  } else {
+    micro_position = digitalRead(PIN_MICRO);
+    if (micro_position == HIGH) {
+      mc.log("WARNING: Camera already closed");
+    }
+  }
+  mc.confirm(mc.CAMERA_CLOSE);
+  mc.log("camera_close()");
+  is_open = false;
+}
+
+boolean ReadDelay () {
+  if (timer - frame_start >= timed_open) {
+    return true;
+  }
+  return false;
+}
+
+void WatchDelay () {
+  if (timer - delay_start >= seq_delay) {
+    delaying = false;
+    Camera();
+  }
+}
+
+void ReadTimed () {
+  if (!timed_paused) {
+    if (timer - frame_start > timed_open 
+      && timer - frame_start < timed_open + timed_delay) {
+       PauseTimed();
+    } else if (timer - frame_start > timed_open + timed_delay) {
+      micro_position = digitalRead(PIN_MICRO);
+      if (micro_position == HIGH) {
+        Stop();
+      }
+      delay(2);//smooths out signal  
+    }
+  } 
+  if (timed_paused && timer - frame_start > timed_open + timed_delay) {
+    StartTimed();   
+  }
+}
+
+void PauseTimed () {
+  timed_paused = true;
+  analogWrite(PIN_MOTOR_FORWARD, 0);
+  analogWrite(PIN_MOTOR_BACKWARD, 0);
+}
+
+void StartTimed () {
+  timed_paused = false;
+   if (cam_dir) {
+    analogWrite(PIN_MOTOR_FORWARD, fwd_speed);
+    analogWrite(PIN_MOTOR_BACKWARD, 0);
+  } else {
+    analogWrite(PIN_MOTOR_BACKWARD, bwd_speed);
+    analogWrite(PIN_MOTOR_FORWARD, 0);
+  } 
+}
+
+void ReadMicro () {
+  if (ReadDelay()) {
+    micro_position = digitalRead(PIN_MICRO);
+    if (micro_position == LOW 
+        && micro_primed == false) {
+      micro_primed = true;
+    } else if (micro_position == HIGH 
+              && micro_primed == true) {
+      Stop();
+    }
+    delay(2);//smooths out signal
+  }
+}
+
+void Stop () {
+  delay(10);
+  analogWrite(PIN_MOTOR_FORWARD, 0);
+  analogWrite(PIN_MOTOR_BACKWARD, 0);
+  
+  running = false;
+  micro_primed = false;
+
+  if (cam_dir) {
+    counter += 1;  
+  } else {
+    counter -= 1;
+  }
+
+  timed_last = timer - frame_start;
+  timed_avg = (timed_avg + timed_last) / 2;
+
+  mc.confirm(mc.CAMERA);
+  mc.log("Camera completed");
+  mc.log(String(timed_last));
+  if (sequence) {
+    delaying = true;
+    delay_start = millis();
+  }
+}
+
+void CameraDirection (boolean state) {
+  cam_dir = state;
+  if (state) {
+    timed_open = 300;
+    mc.confirm(mc.CAMERA_FORWARD);
+    mc.log("camera_direction(true)");
+  } else {
+    timed_open = 400;
+    mc.confirm(mc.CAMERA_FORWARD);
+    mc.log("camera_direction(false)");
+  }
+}
+
+void State () {
+  String stateString = String(mc.STATE);
+  stateString += String(mc.CAMERA_EXPOSURE);
+  stateString += String(timed_avg);
+  stateString += String(mc.STATE);
+  mc.sendString(stateString);
+}