diff --git a/Software/Gravity/Gravity.ino b/Software/Gravity/Gravity.ino
index fe49c5c..b631d38 100644
--- a/Software/Gravity/Gravity.ino
+++ b/Software/Gravity/Gravity.ino
@@ -17,7 +17,7 @@ uint16_t CV1Calibration = 512;
 uint16_t CV2Calibration = 512;
 bool showDone = false;
 
-const int subDivs[20] = { -24, -12, -8, -6, -4, -3, -2, 1, 2, 3, 4, 5, 6, 7, 8, 16, 24, 32, 64, 128 };  //positive - divide, negative - multiply, 0 - off
+const int subDivs[] = { -24, -12, -8, -6, -4, -3, -2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16, 24, 32, 64, 128 };  //positive - divide, negative - multiply, 0 - off
 
 byte bpm = 130;
 byte bpmModulationChannel = 200;  //0 - CV1, 1 - CV2, 255 - OFF
@@ -36,7 +36,8 @@ struct channel {
   bool isMute     : 1;
 };
 
-channel channels[6] = {  //array of channel settings
+channel channels[7] = {  //array of channel settings
+  { 0, 7, 0, 0, 0, 0, 0, 0, 0, 0 },
   { 0, 7, 0, 0, 0, 0, 0, 0, 0, 0 },
   { 0, 7, 0, 0, 0, 0, 0, 0, 0, 0 },
   { 0, 7, 0, 0, 0, 0, 0, 0, 0, 0 },
@@ -82,11 +83,12 @@ unsigned int pulseCount = 0;
 
 byte masterClockMode = 0;  // 0 - internal, 1 - external 24ppqn, 2 - MIDI
 byte extClockPPQN = 0; // 0 - 24, 1 - 4 (1/16)
+byte extraChannel = 0; // 0 - off, 1 - pulse out = 7th channel
 unsigned long lastExtPulseTime = 0;
 unsigned long newExtPulseTime = 0;
 
-bool needPulseReset[6] = { true, true, true, true, true, true };
-int gatePulseCount[6] = {0,0,0,0,0,0};
+bool needPulseReset[] = { true, true, true, true, true, true, true };
+int gatePulseCount[] = {0,0,0,0,0,0,0};
 bool stepIsOdd = 1;
 
 byte displayTab = 0;
@@ -193,7 +195,9 @@ void clock() {
     // Action on each pulse
     if (tickCount == 0) {
       sendTriggers();
-      digitalWrite(clockOutPin, HIGH);
+      if (!extraChannel) {
+        digitalWrite(clockOutPin, HIGH);
+      }
       sendMIDIClock();
     }
 
@@ -232,12 +236,14 @@ void clock() {
 
     // pull low all outputs after set pulse length
     if (tickCount >= PULSE_LENGTH) {
-      for (byte i = 0; i < 6; i++) {
+      for (byte i = 0; i < (extraChannel ? 7 : 6); i++) {
         if (channels[i].mode != 4) { //everything but gate mode
           digitalWrite(outsPins[i], LOW);
         } 
       }
-      digitalWrite(clockOutPin, LOW);
+      if (!extraChannel) {
+        digitalWrite(clockOutPin, LOW);
+      }
     }
   }
 }
@@ -293,7 +299,7 @@ void externalClock() {
 
 void sendTriggers() { //rename to onPulse or something
 
-  for (byte i = 0; i < 6; i++) {
+  for (byte i = 0; i < (extraChannel ? 7 : 6); i++) {
     if (playingModes[i] != subDivs[channels[i].subDiv] && playingModesOld[i] != playingModes[i]) {
       needPulseReset[i] = true;
       playingModesOld[i] = playingModes[i];
@@ -303,7 +309,7 @@ void sendTriggers() { //rename to onPulse or something
   if (sixteenthPulseCount == 0) {
     bool *currentSeq;
     stepIsOdd = !stepIsOdd;
-    for (byte i = 0; i < 6; i++) {
+    for (byte i = 0; i < (extraChannel ? 7 : 6); i++) {
 
       //pattern modulation
       int seqMod = 0;
@@ -381,7 +387,7 @@ void sendTriggers() { //rename to onPulse or something
   //switching modes on the beat and resetting channel clock
   if (pulseCount == 0) {
     calculateCycles();
-    for (byte i = 0; i < 6; i++) {
+    for (byte i = 0; i < (extraChannel ? 7 : 6); i++) {
       if (needPulseReset[i] == true) {
         channelPulseCount[i] = 0;
         needPulseReset[i] = false;
@@ -390,7 +396,7 @@ void sendTriggers() { //rename to onPulse or something
   }
 
   //multiplier
-  for (byte i = 0; i < 6; i++) {
+  for (byte i = 0; i < (extraChannel ? 7 : 6); i++) {
     
     //RND modulation
     byte randMod = 0;
@@ -441,7 +447,7 @@ void sendTriggers() { //rename to onPulse or something
 
 void calculateCycles() {
 
-  for (byte i = 0; i < 6; i++) {
+  for (byte i = 0; i < (extraChannel ? 7 : 6); i++) {
     int mod = 0; //subdiv modulation happens here
     if (channels[i].CV1Target == 1) { 
       mod = map(CV1Input, -1, 1024, -5, 5);
@@ -479,7 +485,7 @@ void calculateBPMTiming() {
 }
 
 void resetClocks() {
-  for (byte i = 0; i < 6; i++) {
+  for (byte i = 0; i < (extraChannel ? 7 : 6); i++) {
     channelPulseCount[i] = 0;
     digitalWrite(outsPins[i], LOW);  //to avoid stuck leds
   }
diff --git a/Software/Gravity/Interactions.ino b/Software/Gravity/Interactions.ino
index 0943cb1..58d9dbb 100644
--- a/Software/Gravity/Interactions.ino
+++ b/Software/Gravity/Interactions.ino
@@ -67,6 +67,8 @@ void checkInputs() {
         showDone = true;
         updateScreen();
       } else if (displayScreen == 2 && menuItem == 3) {
+        extraChannel = !extraChannel;
+      } else if (displayScreen == 2 && menuItem == 4) {
         EEPROM.put(1023, memCode - 1);
         reboot();
       }
@@ -111,8 +113,8 @@ void checkInputs() {
         displayTab = displayTab + change;
         if (displayTab > 100) { //to address "negative" numbers
           displayTab = 0;
-        } else if (displayTab > 6) {
-          displayTab = 6;
+        } else if (displayTab > (extraChannel ? 7 : 6)) {
+          displayTab = (extraChannel ? 7 : 6);
         }
       } else if (((!insideTab && shiftBtnPushed)  
                    || (insideTab && menuItem == 0
diff --git a/Software/Gravity/UI.ino b/Software/Gravity/UI.ino
index f898b3d..5ebb9e0 100644
--- a/Software/Gravity/UI.ino
+++ b/Software/Gravity/UI.ino
@@ -266,7 +266,7 @@ void updateScreen() {
         u8g2.drawButtonUTF8(xWidth/2, yPos, U8G2_BTN_BW0|U8G2_BTN_HCENTER, xWidth,  0,  2, valueStr.c_str() );
       }
       
-      for (int i = 1; i <= 6; i++) {
+      for (int i = 1; i <= (extraChannel ? 7 : 6); i++) {
         valueStr = String(i);
         if (displayTab == i) {
           if (insideTab == true || shiftBtnPushed == true) {
@@ -334,7 +334,7 @@ void updateScreen() {
       u8g2.drawStr(8, 5, valueStr.c_str() );
       u8g2.drawStr(122 - (u8g2.getStrWidth(version.c_str())), 5, version.c_str() );
       u8g2.drawHLine(0, 8, 128);
-      lastMenuItem = 3;
+      lastMenuItem = 4;
       byte width = 112;
       for (byte i = 0; i <= lastMenuItem; i++) {
         switch(i) {
@@ -348,6 +348,9 @@ void updateScreen() {
             valueStr = F("REVERSE ENCODER");
             break;
           case 3:
+            valueStr = F("7TH CHANNEL");
+            break;
+          case 4:
             valueStr = F("FACTORY RESET");
             break;
         };
diff --git a/Software/Gravity/config.h b/Software/Gravity/config.h
index 7df1f15..2f95849 100644
--- a/Software/Gravity/config.h
+++ b/Software/Gravity/config.h
@@ -16,8 +16,8 @@
 #define EXT_INPUT_PIN 2  //needs to be an interrupt pin
 #define ANALOGUE_INPUT_1_PIN A7
 #define ANALOGUE_INPUT_2_PIN A6
-const byte outsPins[6] = { 7, 8, 10, 6, 9, 11 };
 const byte clockOutPin = 3;
+const byte outsPins[] = { 7, 8, 10, 6, 9, 11, clockOutPin };
 bool rotateScreen = false;
 bool reverseEnc = false;
 //