diff --git a/app/data/cfg.json b/app/data/cfg.json
index 64736d0..5d8d19f 100644
--- a/app/data/cfg.json
+++ b/app/data/cfg.json
@@ -101,7 +101,8 @@
 			"light_identifier" : "o",
 			"proj_light_identifier" : "q",
 			"proj_cam_light_identifier" : "r",
-			"proj_cam_identifier" : "s"
+			"proj_cam_identifier" : "s",
+			"proj_second_identifier" : "t"
 		}
 	}
 }
\ No newline at end of file
diff --git a/app/lib/arduino/index.js b/app/lib/arduino/index.js
index d2a27b3..9819d57 100644
--- a/app/lib/arduino/index.js
+++ b/app/lib/arduino/index.js
@@ -301,6 +301,8 @@ mcopy.arduino.distinguish = async function () {
 				type = 'projector,camera,light'
 			} else if (data === mcopy.cfg.arduino.cmd.proj_cam_identifier) {
 				type = 'projector,camera'
+			} else if (data === mcopy.cfg.ardino.cmd.proj_second_identifier) {
+				type = 'projector_second'
 			}
 			return resolve(type)
 		}
diff --git a/app/main.js b/app/main.js
index 143e6b7..4029cbf 100644
--- a/app/main.js
+++ b/app/main.js
@@ -250,6 +250,15 @@ dev.connectDevice = async function (device, type) {
 			return false
 		}
 		log.info(`Connected to ${device} as PROJECTOR`, 'SERIAL', true, true)
+	} else if (type === 'projector_second') {
+		dev.connected.projector_second = device
+		arduino.alias('projector_second', device)
+		try {
+			connectSuccess = await arduino.connect('projector_second', device, false)
+		} catch (err) {
+			console.error(err)
+			return false
+		}
 	}
 	return connectSuccess
 }
@@ -266,7 +275,8 @@ dev.all = async function (devices) {
 	dev.connected = {
 		projector : false,
 		camera : false,
-		light : false
+		light : false,
+		projector_second : false
 	}
 
 	let checklist = []
diff --git a/hardware/RelayShield.fzz b/hardware/RelayShield.fzz
index 60f53bc..5281988 100644
Binary files a/hardware/RelayShield.fzz and b/hardware/RelayShield.fzz differ
diff --git a/ino/components/mcopy_projector_second/mcopy_projector_second.ino b/ino/components/mcopy_projector_second/mcopy_projector_second.ino
new file mode 100644
index 0000000..fff995b
--- /dev/null
+++ b/ino/components/mcopy_projector_second/mcopy_projector_second.ino
@@ -0,0 +1,120 @@
+boolean debug_state = false;
+
+//const int proj_pin = 5; //relay 4
+//const int proj_time = {{proj.time}};
+//const int proj_delay = {{proj.delay}};
+
+boolean proj_dir = true; 
+
+const char cmd_projector = 'p';
+const char cmd_proj_forward = 'g';
+const char cmd_proj_backward = 'h';
+
+const char cmd_debug = 'd';
+const char cmd_connect = 'i';
+volatile char cmd_char = 'z';
+const char cmd_mcopy_identifier = 'm';
+const char cmd_proj_identifier = 't'; //projector second
+
+const int serialDelay = 5;
+
+void setup() {
+  Serial.begin(57600);
+  Serial.flush();
+  Serial.setTimeout(serialDelay);
+}
+
+void loop() {
+  if (Serial.available()) {
+    /* read the most recent byte */
+    cmd_char = (char)Serial.read();
+  }
+  if (cmd_char != 'z') {
+    cmd(cmd_char);
+    cmd_char = 'z';
+  }
+}
+
+void cmd (char val) {
+  if (val == cmd_debug) {
+    debug();
+  } else if (val == cmd_connect) {
+    connect();
+  } else if (val == cmd_mcopy_identifier) {
+    identify();
+  } else if (val == cmd_projector) {
+    proj_start();
+  } else if (val == cmd_proj_forward) {
+    proj_direction(true);
+  } else if (val == cmd_proj_backward) {
+    proj_direction(false);
+  }
+}
+
+void debug () {
+  debug_state = true;
+  Serial.println(cmd_debug);
+  log("debugging enabled");
+}
+
+void connect () {
+  Serial.println(cmd_connect);
+  log("connect()");
+}
+
+void identify () {
+  Serial.println(cmd_proj_identifier);
+  log("identify()");  
+}
+
+void proj_start () {
+  if (proj_dir) {
+    digitalWrite(proj_fwd_pin, HIGH);
+    digitalWrite(proj_bwd_pin, LOW); 
+  } else {
+    digitalWrite(proj_bwd_pin, HIGH); 
+    digitalWrite(proj_fwd_pin, LOW); 
+  }
+  proj_running = true;
+  delay(500); // Let bump pass out of microswitch
+
+  //delay(1300); //TEMPORARY DELAY FOR TESTING TIMING
+}
+
+void proj_reading () {
+   proj_micro_raw = digitalRead(proj_micro_pin);
+    if (proj_micro_raw == 1) {
+        //do nothing
+    } else if (proj_micro_raw == 0) {
+        proj_stop();
+    }
+    //delay(1); //needed?
+}
+
+void proj_stop () {
+  digitalWrite(proj_bwd_pin, LOW); 
+  digitalWrite(proj_fwd_pin, LOW);
+  
+  proj_running = false;
+  
+  Serial.println(cmd_projector);
+  log("projector()");
+}
+
+void proj_direction (boolean state) {
+  proj_dir = state;
+  if (state) {
+    Serial.println(cmd_proj_forward);
+    log("proj_direction -> true");
+  } else {
+    Serial.println(cmd_proj_backward);
+    log("proj_direction -> false");
+  }
+  //delay(50); //delay after direction change to account for slippage of the belt
+}
+
+void log (String msg) {
+  if (debug_state) {
+    Serial.println(msg);
+  }
+}
diff --git a/scad/connectors.scad b/scad/connectors.scad
index 099b626..3a57cd2 100644
--- a/scad/connectors.scad
+++ b/scad/connectors.scad
@@ -79,6 +79,13 @@ module female_jk103 () {
     difference () {
         body();
         translate([0, 0, 25]) rotate([0, 180, 0]) jk_pins(0.5, 25);
+		translate([0, 0, -3]) rotate([0, 0, 180]) male_jk103_neg();
+        //bolt
+        translate([15, 0, 5]) rotate([0,90,0]) cylinder(r = 1, h = 20, center = true, $fn = 40);
     }
 }
 
+//rotate([180, 0, 0]) male_jk103();
+//male_jk103_back();
+female_jk103();
+