diff --git a/arduino/rainboard-pad/rainboard-pad.ino b/arduino/rainboard-pad/rainboard-pad.ino
new file mode 100644
index 0000000..a1c32b6
--- /dev/null
+++ b/arduino/rainboard-pad/rainboard-pad.ino
@@ -0,0 +1,103 @@
+//
+// ringringrain - pad(digital input) part. (arduino micro)
+//
+// D. Yi @ 2023 5 5
+//
+
+////pin usage
+// 5 6 7 8 9 10 11 12 + 18(a0) 19(a1) 20(a2) 21(a3) 22(a4) 23(a5) == 14 digital in
+//
+// 0 1 => uart
+// 0 1 => all works.. use serial (TTL+WIFI) or (RS232)
+
+////pad structure
+
+#define FLIPPED
+// --> comment/uncomment for horizontal flipping of the installation.
+
+#define NUMKEYS 14 // columns : 14, rows : 1
+// --> how many keys are available for this pad
+
+int keystat[NUMKEYS] = {0, };
+// --> a buffer to store statuses of all keys
+// --> needed to extract only 'the change' of key statuses
+
+#define MAXCHANGES 10
+int keychanges[MAXCHANGES] = {0, };
+int n_keychg = 0;
+// --> for monitoring only 'changed' keys.
+
+#define NUMCOLS 14
+#ifdef FLIPPED
+int pins_cols[NUMCOLS] = {5, 6, 7, 8, 9, 10, 11, 12, 18, 19, 20, 21, 22, 23}; //14
+// --> cols is horizontal offsets on the board
+// --> to be read as input.
+#else
+int pins_cols[NUMCOLS] = {23, 22, 21, 20, 19, 18, 12, 11, 10, 9, 8, 7, 6, 5}; //14
+// --> cols is horizontal offsets on the board
+// --> to be read as input.
+#endif
+
+void setup()
+{
+  //disable TX/RX led blinking: Arduino Micro specific
+  // pinMode(LED_BUILTIN_TX,INPUT);
+  // pinMode(LED_BUILTIN_RX,INPUT);
+
+  //serial
+  Serial.begin(57600); //debug (USB)
+  Serial1.begin(57600); //esp8266
+
+  //pinmodes
+  // cols : to be read as input. (PULL-UP)
+  for (int idx = 0; idx < NUMCOLS; idx++) {
+    pinMode(pins_cols[idx], INPUT_PULLUP);
+  }
+}
+
+void loop()
+{
+  // perform a full scan of the key statuses!
+
+  // read all cols
+  for (int col = 0; col < NUMCOLS; col++) {
+    int key = col;
+    if (key < NUMKEYS) {
+      int state = !digitalRead(pins_cols[col]); //logic inversion. (HIGH = noteoff, LOW = noteon.)
+
+      // if it is 'changed',
+      if (state != keystat[key]) {
+        // if there is a room to record this change,
+        if (n_keychg < MAXCHANGES) {
+          // make a memo.
+          int keycoded = (key) * 10 + state; // for example : C4 note-on --> 601 ( == 60*10 + 1)
+          keychanges[n_keychg] = keycoded;
+          n_keychg++;
+          // send msg. over Serial.
+          byte * b = (byte*)&keycoded;
+          Serial1.write(b, 2);
+          //
+          // Serial.printf("sizeof(keycoded): %d\n", sizeof(keycoded)); // result == 2 (16bit machine)
+        }
+      }
+
+      // okay. good. now, apply the change.
+      keystat[key] = state;
+    }
+  }
+
+  // print out the changes.
+  for (int chg = 0; chg < n_keychg; chg++) {
+    Serial.print(keychanges[chg]);
+    Serial.print(" ");
+  }
+
+  // clear 'keychanges' array
+  for (int idx = 0; idx < MAXCHANGES; idx++) {
+    keychanges[idx] = 0;
+    n_keychg = 0;
+  }
+
+  //
+  delay(50);
+}
diff --git a/arduino/rainboard-wifi/rainboard-wifi.ino b/arduino/rainboard-wifi/rainboard-wifi.ino
new file mode 100644
index 0000000..f58ab80
--- /dev/null
+++ b/arduino/rainboard-wifi/rainboard-wifi.ino
@@ -0,0 +1,136 @@
+//
+// ringringrain - WIFI part. (esp8266)
+//
+// D. Yi @ 2023 5 5
+//
+
+////network!
+const char* ssid     = "nolink";
+const char* password = "2222277777";
+const int NETWORK_PORT = 27016;
+
+//wi-fi
+#include <ESP8266WiFi.h>
+
+//wi-fi event handlers : re-connect automatically
+WiFiEventHandler wifiConnectHandler;
+WiFiEventHandler wifiDisconnectHandler;
+void onWifiConnect(const WiFiEventStationModeGotIP& event) {
+  Serial.println("Connected to Wi-Fi sucessfully.");
+  Serial.print("IP address: ");
+  Serial.println("Mac address: " + WiFi.macAddress());
+  Serial.println(WiFi.localIP());
+  digitalWrite(2, HIGH);
+}
+
+void onWifiDisconnect(const WiFiEventStationModeDisconnected& event) {
+  Serial.println("Disconnected from Wi-Fi, trying to reconnect...");
+  WiFi.disconnect();
+  WiFi.begin(ssid, password);
+  digitalWrite(2, LOW);
+}
+
+//firmata over wi-fi
+#include <ConfigurableFirmata.h>
+#include "utility/WiFiClientStream.h"
+#include "utility/WiFiServerStream.h"
+WiFiServerStream serverStream(NETWORK_PORT);
+
+//firmware update over the air
+#include <ArduinoOTA.h>
+
+//client device @ soft-serial (only RX valid. tx. is dummy.)
+#include <SoftwareSerial.h>
+SoftwareSerial client(D2, D8); // RX | TX
+//==> NO way to do RX/TX only mode?? how bad. later change library?
+
+////
+void setup()
+{
+  //wifi indicator
+  pinMode(2, OUTPUT);
+  digitalWrite(2, LOW); //disconnected.
+
+  //serial (for debug & info)
+  Serial.begin(115200);
+
+  //to get data frames from the client device.
+  client.begin(57600);
+
+  //wifi
+  wifiConnectHandler = WiFi.onStationModeGotIP(onWifiConnect);
+  wifiDisconnectHandler = WiFi.onStationModeDisconnected(onWifiDisconnect);
+  WiFi.mode(WIFI_STA);
+  // Connect to WiFi network
+  Serial.println();
+  Serial.println();
+  Serial.print("Connecting to ");
+  Serial.println(ssid);
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    // Serial.print(".");
+    delay(500);
+  }
+  Serial.println("");
+
+  //firmata
+  Firmata.disableBlinkVersion();
+  Firmata.begin(serverStream);
+
+  //ota
+  ArduinoOTA.onStart([]() {
+    Serial.println("Start");
+  });
+  ArduinoOTA.onEnd([]() {
+    Serial.println("\nEnd");
+  });
+  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
+    Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
+  });
+  ArduinoOTA.onError([](ota_error_t error) {
+    Serial.printf("Error[%u]: ", error);
+    if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
+    else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
+    else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
+    else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
+    else if (error == OTA_END_ERROR) Serial.println("End Failed");
+  });
+  ArduinoOTA.begin();
+}
+
+void loop()
+{
+  // process client data frame
+  if (client.available() >= 2) {
+    //
+    int keycoded = 0; //==> NOTE init=0 is mandatory! (sender is 16bit device. receiver 32bit device.)
+    byte * b = (byte*)&keycoded;
+    client.readBytes(b, 2);
+    Serial.println(keycoded);
+
+    //
+    Firmata.sendAnalog(0, keycoded);
+  }
+
+  // send out alive counter every 1sec.
+  static unsigned long last = 0;
+  unsigned long now = millis();
+  if (now > last + 500) {
+    last = now;
+    //
+    static int alivecounter = 0;
+    Firmata.sendAnalog(1, alivecounter);
+    alivecounter++;
+    if (alivecounter == 1000) alivecounter = 0;
+    //
+  }
+
+  //firmata over wi-fi
+  serverStream.maintain();
+
+  //
+  ArduinoOTA.handle();
+
+  //for wdt
+  yield();
+}
diff --git a/ringringrain_rev2.pd b/ringringrain_rev2.pd
index 447a389..d1b3240 100644
--- a/ringringrain_rev2.pd
+++ b/ringringrain_rev2.pd
@@ -16,8 +16,7 @@
 #X floatatom 21 120 5 0 0 0 - - - 0;
 #X msg 924 530 \; pd dsp 1;
 #X obj 924 507 del 5000;
-#X msg 19 515 \; pitches 0 60 62 64 65 67 69 71 72 74 76 77 79 81 83
-84 86 88 89 91 93 95 96 98 100 101 103 105 107 108;
+#X msg 19 515 \; pitches 0 60 62 64 65 67 69 71 72 74 76 77 79 81 83 84 86 88 89 91 93 95 96 98 100 101 103 105 107 108;
 #X obj 21 68 unpack f f;
 #X listbox 21 220 7 0 0 0 - - - 0;
 #X obj 235 181 pack f f;
@@ -27,7 +26,7 @@
 #X obj 235 97 tabread pitches;
 #X floatatom 235 120 5 0 0 0 - - - 0;
 #X obj 235 68 unpack f f;
-#N canvas 575 33 434 533 rain 1;
+#N canvas 1004 214 434 533 rain 0;
 #X obj 27 80 loadbang;
 #N canvas 0 22 450 300 (subpatch) 0;
 #X array raining 2.57403e+06 float 0;
@@ -40,13 +39,10 @@
 #X obj 169 392 *~;
 #X obj 169 431 hip~ 5;
 #X msg 42 284 bang;
-#X obj 120 331 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc
-#000000 #000000;
-#X obj 27 186 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000
-#000000;
+#X obj 120 331 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000;
+#X obj 27 186 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000;
 #X obj 42 210 delay 2000;
-#X obj 42 234 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000
-#000000;
+#X obj 42 234 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000;
 #X obj 184 290 * 6;
 #X text 32 21 sound generators - sample sound;
 #X floatatom 184 220 5 0 0 1 hands - - 0;
@@ -76,8 +72,7 @@
 #X restore 89 215 pd pan;
 #X obj 153 107 snapshot~;
 #X floatatom 228 147 5 0 0 0 - - - 0;
-#X obj 36 42 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000
-#000000;
+#X obj 36 42 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000;
 #X obj 160 50 +~ 1;
 #X obj 160 77 *~ 0.5;
 #X obj 160 22 osc~ 0.1;
@@ -104,14 +99,12 @@
 #X obj 182 267 +;
 #X obj 152 267 f;
 #X obj 152 238 t b a;
-#X obj 117 217 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc
-#000000 #000000;
+#X obj 117 217 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000;
 #X msg 199 113 0;
 #X obj 133 76 t b a b;
 #X obj 152 215 tabread hands;
 #X obj 18 65 metro 100;
-#X obj 18 45 tgl 15 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000
-0 1;
+#X obj 18 45 tgl 15 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 117 285 f;
 #X obj 18 22 loadbang;
 #X floatatom 117 308 5 0 0 0 - - - 0;
@@ -214,19 +207,16 @@
 #X obj 955 390 + 40;
 #N canvas 40 465 713 292 main 0;
 #X obj 377 175 env~;
-#X obj 427 126 vu 15 120 empty empty -1 -8 0 10 #404040 #000000 1 0
-;
+#X obj 427 126 vu 15 120 empty empty -1 -8 0 10 #404040 #000000 1 0;
 #X obj 377 199 - 100;
 #X obj 377 75 catch~ front;
 #X obj 306 129 dac~ 4 7 8;
 #X obj 587 175 env~;
-#X obj 637 126 vu 15 120 empty empty -1 -8 0 10 #404040 #000000 1 0
-;
+#X obj 637 126 vu 15 120 empty empty -1 -8 0 10 #404040 #000000 1 0;
 #X obj 587 199 - 100;
 #X obj 516 129 dac~ 2 5 6;
 #X obj 157 175 env~;
-#X obj 207 126 vu 15 120 empty empty -1 -8 0 10 #404040 #000000 1 0
-;
+#X obj 207 126 vu 15 120 empty empty -1 -8 0 10 #404040 #000000 1 0;
 #X obj 157 199 - 100;
 #X obj 16 129 dac~ 1 2 3 4 5 6 7 8;
 #X obj 157 75 catch~ rain;
@@ -265,11 +255,10 @@
 #X obj 342 303 throw~ front;
 #X obj 628 303 throw~ right;
 #X obj 842 303 throw~ right;
-#N canvas 588 200 852 598 ringringrain_A 0;
+#N canvas 0 33 852 598 ringringrain_A 0;
 #X obj 388 102 arduino-wifi;
 #X msg 478 102 disconnect;
-#X obj 457 139 tgl 15 0 empty empty connected? 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 457 139 tgl 15 0 empty empty connected? 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 388 165 route analog;
 #X obj 182 336 t a a;
 #X obj 182 359 / 10;
@@ -290,30 +279,20 @@
 #X obj 108 250 expr if($f1 < 140 \, $f1 \, $f1+140);
 #X obj 388 250 expr if($f1 < 140 \, $f1+140 \, $f1+280);
 #N canvas 273 125 970 258 simulation 0;
-#X obj 35 48 tgl 15 0 empty empty on/off\\\ (normal:z\\\ to\\\ i\\\ 28keys)
-17 7 0 10 #fcfcfc #000000 #000000 0 1;
-#X obj 515 48 tgl 15 0 empty empty on/off\\\ (+shift:Z\\\ to\\\ I\\\ 28keys)
-17 7 0 10 #fcfcfc #000000 #000000 0 1;
+#X obj 35 48 tgl 15 0 empty empty on/off\ (normal:z\ to\ i\ 28keys) 17 7 0 10 #fcfcfc #000000 #000000 0 1;
+#X obj 515 48 tgl 15 0 empty empty on/off\ (+shift:Z\ to\ I\ 28keys) 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 515 150 keyhands;
 #X floatatom 515 173 5 0 0 0 - - - 0;
-#X obj 562 181 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 562 181 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X obj 49 69 loadbang;
-#X msg 49 91 keys 122 \\\; 120 \\\; 99 \\\; 118 \\\; 98 \\\; 110 \\\;
-109 \\\; 44 \\\; 46 \\\; 47 \\\; 97 \\\; 115 \\\; 100 \\\; 102 \\\;
-103 \\\; 104 \\\; 106 \\\; 107 \\\; 108 \\\; 59 \\\; 113 \\\; 119 \\\;
-101 \\\; 114 \\\; 116 \\\; 121 \\\; 117 \\\; 105 \\\;, f 66;
+#X msg 49 91 keys 122 \\\; 120 \\\; 99 \\\; 118 \\\; 98 \\\; 110 \\\; 109 \\\; 44 \\\; 46 \\\; 47 \\\; 97 \\\; 115 \\\; 100 \\\; 102 \\\; 103 \\\; 104 \\\; 106 \\\; 107 \\\; 108 \\\; 59 \\\; 113 \\\; 119 \\\; 101 \\\; 114 \\\; 116 \\\; 121 \\\; 117 \\\; 105 \\\;, f 66;
 #X obj 866 19 key;
 #X floatatom 866 42 5 0 0 0 - - - 0;
-#X msg 529 91 keys 90 \\\; 88 \\\; 67 \\\; 86 \\\; 66 \\\; 78 \\\;
-77 \\\; 60 \\\; 62 \\\; 63 \\\; 65 \\\; 83 \\\; 68 \\\; 70 \\\; 71
-\\\; 72 \\\; 74 \\\; 75 \\\; 76 \\\; 58 \\\; 81 \\\; 87 \\\; 69 \\\;
-82 \\\; 84 \\\; 89 \\\; 85 \\\; 73 \\\;, f 66;
+#X msg 529 91 keys 90 \\\; 88 \\\; 67 \\\; 86 \\\; 66 \\\; 78 \\\; 77 \\\; 60 \\\; 62 \\\; 63 \\\; 65 \\\; 83 \\\; 68 \\\; 70 \\\; 71 \\\; 72 \\\; 74 \\\; 75 \\\; 76 \\\; 58 \\\; 81 \\\; 87 \\\; 69 \\\; 82 \\\; 84 \\\; 89 \\\; 85 \\\; 73 \\\;, f 66;
 #X obj 529 69 loadbang;
 #X obj 35 150 keyhands;
 #X floatatom 35 173 5 0 0 0 - - - 0;
-#X obj 82 181 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000
-#000000;
+#X obj 82 181 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X obj 35 211 outlet;
 #X obj 515 211 outlet;
 #X obj 272 9 inlet;
@@ -333,12 +312,10 @@
 #X connect 16 0 0 0;
 #X connect 16 0 1 0;
 #X restore 650 234 pd simulation left right paper;
-#X obj 650 214 tgl 15 0 empty empty on/off 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 650 214 tgl 15 0 empty empty on/off 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 108 102 arduino-wifi;
 #X msg 198 102 disconnect;
-#X obj 177 139 tgl 15 0 empty empty connected? 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 177 139 tgl 15 0 empty empty connected? 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 108 165 route analog;
 #X obj 108 211 * 1023;
 #X text 22 251 interlace ==>;
@@ -347,27 +324,21 @@
 #X obj 385 561 outlet;
 #X obj 108 188 route 0 1, f 17;
 #X floatatom 221 189 5 0 0 2 alivecounter - - 0;
-#X obj 221 211 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 221 211 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X obj 303 188 timer;
 #X obj 303 165 t b b;
 #X floatatom 303 211 5 0 0 0 - - - 0;
-#X obj 308 323 del 1000;
-#X obj 308 346 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 308 346 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X msg 308 300 stop \, bang;
 #X obj 157 211 * 1023;
 #X obj 308 561 outlet;
 #X obj 501 561 outlet;
-#X obj 501 323 del 1000;
-#X obj 501 346 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 501 346 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X msg 501 300 stop \, bang;
 #X obj 388 211 * 1023;
 #X obj 388 188 route 0 1, f 17;
 #X floatatom 501 189 5 0 0 2 alivecounter - - 0;
-#X obj 501 211 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 501 211 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X obj 583 188 timer;
 #X obj 583 165 t b b;
 #X floatatom 583 211 5 0 0 0 - - - 0;
@@ -378,17 +349,18 @@
 #X obj 110 443 unpack f f;
 #X obj 110 506 route 1;
 #X obj 110 485 pack f f;
-#X obj 20 560 print noteon;
-#X obj 273 13 tgl 15 0 empty ONOFF r:ONOFF 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 273 13 tgl 15 0 empty ONOFF r:ONOFF 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 273 33 sel 1 0;
 #X floatatom 182 316 5 0 0 0 - - - 0;
-#X obj 28 348 sel 431 151 401 121;
 #X obj 108 298 sel 121 151;
+#X obj 308 323 del 1500;
+#X obj 501 323 del 1500;
+#X text 420 445 <== DEACTIVATED synth(lower);
+#X obj 20 560 print noteonA;
 #X connect 0 0 3 0;
 #X connect 0 1 2 0;
 #X connect 1 0 0 1;
-#X connect 3 0 49 0;
+#X connect 3 0 47 0;
 #X connect 4 0 5 0;
 #X connect 4 1 7 0;
 #X connect 5 0 6 0;
@@ -399,8 +371,8 @@
 #X connect 8 0 15 1;
 #X connect 8 0 17 1;
 #X connect 9 0 11 0;
-#X connect 10 0 67 0;
-#X connect 11 0 59 0;
+#X connect 10 0 63 0;
+#X connect 11 0 57 0;
 #X connect 12 0 13 0;
 #X connect 13 0 17 0;
 #X connect 14 0 19 0;
@@ -420,54 +392,53 @@
 #X connect 27 0 33 0;
 #X connect 28 0 20 0;
 #X connect 33 0 28 0;
-#X connect 33 1 42 0;
+#X connect 33 1 41 0;
 #X connect 34 0 35 0;
 #X connect 35 0 37 0;
-#X connect 35 0 41 0;
+#X connect 35 0 40 0;
 #X connect 36 0 38 0;
 #X connect 37 0 36 0;
 #X connect 37 1 36 1;
-#X connect 39 0 40 0;
-#X connect 39 0 46 0;
-#X connect 40 0 43 0;
-#X connect 41 0 39 0;
-#X connect 42 0 34 0;
-#X connect 45 0 46 0;
-#X connect 45 0 40 0;
-#X connect 46 0 44 0;
-#X connect 47 0 45 0;
-#X connect 48 0 21 0;
-#X connect 49 0 48 0;
-#X connect 49 1 55 0;
-#X connect 50 0 51 0;
-#X connect 51 0 53 0;
-#X connect 51 0 47 0;
-#X connect 52 0 54 0;
-#X connect 53 0 52 0;
-#X connect 53 1 52 1;
-#X connect 55 0 50 0;
-#X connect 56 0 24 1;
-#X connect 57 0 0 1;
-#X connect 58 0 61 0;
-#X connect 58 1 61 1;
+#X connect 39 0 42 0;
+#X connect 40 0 64 0;
+#X connect 41 0 34 0;
+#X connect 44 0 43 0;
+#X connect 45 0 65 0;
+#X connect 46 0 21 0;
+#X connect 47 0 46 0;
+#X connect 47 1 53 0;
+#X connect 48 0 49 0;
+#X connect 49 0 51 0;
+#X connect 49 0 45 0;
+#X connect 50 0 52 0;
+#X connect 51 0 50 0;
+#X connect 51 1 50 1;
+#X connect 53 0 48 0;
+#X connect 54 0 24 1;
+#X connect 55 0 0 1;
+#X connect 56 0 59 0;
+#X connect 56 1 59 1;
+#X connect 57 0 56 0;
+#X connect 57 1 56 1;
+#X connect 58 0 67 0;
 #X connect 59 0 58 0;
-#X connect 59 1 58 1;
-#X connect 60 0 62 0;
-#X connect 61 0 60 0;
-#X connect 63 0 64 0;
-#X connect 64 0 56 0;
-#X connect 64 0 57 0;
-#X connect 64 1 25 0;
-#X connect 64 1 1 0;
-#X connect 65 0 4 0;
-#X connect 67 2 65 0;
+#X connect 60 0 61 0;
+#X connect 61 0 54 0;
+#X connect 61 0 55 0;
+#X connect 61 1 25 0;
+#X connect 61 1 1 0;
+#X connect 62 0 4 0;
+#X connect 63 2 62 0;
+#X connect 64 0 39 0;
+#X connect 64 0 44 0;
+#X connect 65 0 44 0;
+#X connect 65 0 39 0;
 #X restore 21 19 pd ringringrain_A ........ front wall;
 #X f 54;
-#N canvas 564 23 863 598 ringringrain_B 0;
+#N canvas 0 86 863 598 ringringrain_B 0;
 #X obj 388 102 arduino-wifi;
 #X msg 478 102 disconnect;
-#X obj 457 139 tgl 15 0 empty empty connected? 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 457 139 tgl 15 0 empty empty connected? 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 388 165 route analog;
 #X obj 182 326 t a a;
 #X obj 182 349 / 10;
@@ -488,30 +459,20 @@
 #X obj 108 250 expr if($f1 < 140 \, $f1 \, $f1+140);
 #X obj 388 250 expr if($f1 < 140 \, $f1+140 \, $f1+280);
 #N canvas 273 125 970 258 simulation 0;
-#X obj 35 48 tgl 15 0 empty empty on/off\\\ (normal:z\\\ to\\\ i\\\ 28keys)
-17 7 0 10 #fcfcfc #000000 #000000 0 1;
-#X obj 515 48 tgl 15 0 empty empty on/off\\\ (+shift:Z\\\ to\\\ I\\\ 28keys)
-17 7 0 10 #fcfcfc #000000 #000000 0 1;
+#X obj 35 48 tgl 15 0 empty empty on/off\ (normal:z\ to\ i\ 28keys) 17 7 0 10 #fcfcfc #000000 #000000 0 1;
+#X obj 515 48 tgl 15 0 empty empty on/off\ (+shift:Z\ to\ I\ 28keys) 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 515 150 keyhands;
 #X floatatom 515 173 5 0 0 0 - - - 0;
-#X obj 562 181 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 562 181 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X obj 49 69 loadbang;
-#X msg 49 91 keys 122 \\\; 120 \\\; 99 \\\; 118 \\\; 98 \\\; 110 \\\;
-109 \\\; 44 \\\; 46 \\\; 47 \\\; 97 \\\; 115 \\\; 100 \\\; 102 \\\;
-103 \\\; 104 \\\; 106 \\\; 107 \\\; 108 \\\; 59 \\\; 113 \\\; 119 \\\;
-101 \\\; 114 \\\; 116 \\\; 121 \\\; 117 \\\; 105 \\\;, f 66;
+#X msg 49 91 keys 122 \\\; 120 \\\; 99 \\\; 118 \\\; 98 \\\; 110 \\\; 109 \\\; 44 \\\; 46 \\\; 47 \\\; 97 \\\; 115 \\\; 100 \\\; 102 \\\; 103 \\\; 104 \\\; 106 \\\; 107 \\\; 108 \\\; 59 \\\; 113 \\\; 119 \\\; 101 \\\; 114 \\\; 116 \\\; 121 \\\; 117 \\\; 105 \\\;, f 66;
 #X obj 866 19 key;
 #X floatatom 866 42 5 0 0 0 - - - 0;
-#X msg 529 91 keys 90 \\\; 88 \\\; 67 \\\; 86 \\\; 66 \\\; 78 \\\;
-77 \\\; 60 \\\; 62 \\\; 63 \\\; 65 \\\; 83 \\\; 68 \\\; 70 \\\; 71
-\\\; 72 \\\; 74 \\\; 75 \\\; 76 \\\; 58 \\\; 81 \\\; 87 \\\; 69 \\\;
-82 \\\; 84 \\\; 89 \\\; 85 \\\; 73 \\\;, f 66;
+#X msg 529 91 keys 90 \\\; 88 \\\; 67 \\\; 86 \\\; 66 \\\; 78 \\\; 77 \\\; 60 \\\; 62 \\\; 63 \\\; 65 \\\; 83 \\\; 68 \\\; 70 \\\; 71 \\\; 72 \\\; 74 \\\; 75 \\\; 76 \\\; 58 \\\; 81 \\\; 87 \\\; 69 \\\; 82 \\\; 84 \\\; 89 \\\; 85 \\\; 73 \\\;, f 66;
 #X obj 529 69 loadbang;
 #X obj 35 150 keyhands;
 #X floatatom 35 173 5 0 0 0 - - - 0;
-#X obj 82 181 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000
-#000000;
+#X obj 82 181 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X obj 35 211 outlet;
 #X obj 515 211 outlet;
 #X obj 272 9 inlet;
@@ -531,12 +492,10 @@
 #X connect 16 0 0 0;
 #X connect 16 0 1 0;
 #X restore 650 234 pd simulation left right paper;
-#X obj 650 214 tgl 15 0 empty empty on/off 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 650 214 tgl 15 0 empty empty on/off 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 108 102 arduino-wifi;
 #X msg 198 102 disconnect;
-#X obj 177 139 tgl 15 0 empty empty connected? 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 177 139 tgl 15 0 empty empty connected? 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 108 165 route analog;
 #X text 22 251 interlace ==>;
 #X text 253 421 <== split: upper/lower;
@@ -545,40 +504,41 @@
 #X obj 108 211 * 1023;
 #X obj 108 188 route 0 1, f 17;
 #X floatatom 221 189 5 0 0 2 alivecounter - - 0;
-#X obj 221 211 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 221 211 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X obj 303 188 timer;
 #X obj 303 165 t b b;
 #X floatatom 303 211 5 0 0 0 - - - 0;
-#X obj 308 323 del 1000;
-#X obj 308 346 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 308 346 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X msg 308 300 stop \, bang;
 #X obj 157 211 * 1023;
 #X obj 308 561 outlet;
 #X obj 501 561 outlet;
-#X obj 501 323 del 1000;
-#X obj 501 346 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 501 346 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X msg 501 300 stop \, bang;
 #X obj 388 211 * 1023;
 #X obj 388 188 route 0 1, f 17;
 #X floatatom 501 189 5 0 0 2 alivecounter - - 0;
-#X obj 501 211 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc
-#000000 #000000;
+#X obj 501 211 bng 18 250 50 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000;
 #X obj 583 188 timer;
 #X obj 583 165 t b b;
 #X floatatom 583 211 5 0 0 0 - - - 0;
 #X obj 437 211 * 1023;
 #X msg 177 77 connect 192.168.88.113 27016;
 #X msg 457 77 connect 192.168.88.114 27016;
-#X obj 273 13 tgl 15 0 empty ONOFF r:ONOFF 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 273 13 tgl 15 0 empty ONOFF r:ONOFF 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 273 33 sel 1 0;
+#X obj 308 323 del 1500;
+#X obj 501 323 del 1500;
+#X obj 110 464 swap;
+#X obj 110 443 unpack f f;
+#X obj 110 506 route 1;
+#X obj 110 485 pack f f;
+#X text 420 445 <== DEACTIVATED synth(lower);
+#X obj 20 560 print noteonB;
 #X connect 0 0 3 0;
 #X connect 0 1 2 0;
 #X connect 1 0 0 1;
-#X connect 3 0 49 0;
+#X connect 3 0 47 0;
 #X connect 4 0 5 0;
 #X connect 4 1 7 0;
 #X connect 5 0 6 0;
@@ -590,6 +550,7 @@
 #X connect 8 0 17 1;
 #X connect 9 0 11 0;
 #X connect 10 0 4 0;
+#X connect 11 0 61 0;
 #X connect 12 0 13 0;
 #X connect 13 0 17 0;
 #X connect 14 0 19 0;
@@ -609,51 +570,55 @@
 #X connect 27 0 33 0;
 #X connect 32 0 20 0;
 #X connect 33 0 32 0;
-#X connect 33 1 42 0;
+#X connect 33 1 41 0;
 #X connect 34 0 35 0;
 #X connect 35 0 37 0;
-#X connect 35 0 41 0;
+#X connect 35 0 40 0;
 #X connect 36 0 38 0;
 #X connect 37 0 36 0;
 #X connect 37 1 36 1;
-#X connect 39 0 40 0;
-#X connect 39 0 46 0;
-#X connect 40 0 43 0;
-#X connect 41 0 39 0;
-#X connect 42 0 34 0;
-#X connect 45 0 46 0;
-#X connect 45 0 40 0;
-#X connect 46 0 44 0;
-#X connect 47 0 45 0;
-#X connect 48 0 21 0;
-#X connect 49 0 48 0;
-#X connect 49 1 55 0;
-#X connect 50 0 51 0;
-#X connect 51 0 53 0;
-#X connect 51 0 47 0;
-#X connect 52 0 54 0;
-#X connect 53 0 52 0;
-#X connect 53 1 52 1;
-#X connect 55 0 50 0;
-#X connect 56 0 24 1;
-#X connect 57 0 0 1;
-#X connect 58 0 59 0;
-#X connect 59 0 56 0;
-#X connect 59 0 57 0;
-#X connect 59 1 25 0;
-#X connect 59 1 1 0;
+#X connect 39 0 42 0;
+#X connect 40 0 58 0;
+#X connect 41 0 34 0;
+#X connect 44 0 43 0;
+#X connect 45 0 59 0;
+#X connect 46 0 21 0;
+#X connect 47 0 46 0;
+#X connect 47 1 53 0;
+#X connect 48 0 49 0;
+#X connect 49 0 51 0;
+#X connect 49 0 45 0;
+#X connect 50 0 52 0;
+#X connect 51 0 50 0;
+#X connect 51 1 50 1;
+#X connect 53 0 48 0;
+#X connect 54 0 24 1;
+#X connect 55 0 0 1;
+#X connect 56 0 57 0;
+#X connect 57 0 54 0;
+#X connect 57 0 55 0;
+#X connect 57 1 25 0;
+#X connect 57 1 1 0;
+#X connect 58 0 39 0;
+#X connect 58 0 44 0;
+#X connect 59 0 44 0;
+#X connect 59 0 39 0;
+#X connect 60 0 63 0;
+#X connect 60 1 63 1;
+#X connect 61 0 60 0;
+#X connect 61 1 60 1;
+#X connect 62 0 65 0;
+#X connect 63 0 62 0;
 #X restore 521 19 pd ringringrain_B ........ right wall;
 #X f 54;
 #N canvas 531 237 553 436 timer 0;
 #X obj 66 161 time, f 24;
-#X obj 66 141 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000
-#000000;
+#X obj 66 141 bng 15 250 50 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000;
 #X floatatom 66 182 5 0 0 0 - - - 0;
 #X floatatom 113 182 5 0 0 0 - - - 0;
 #X floatatom 160 182 5 0 0 0 - - - 0;
 #X obj 66 120 metro 1000;
-#X obj 66 100 tgl 15 0 empty empty empty 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 66 100 tgl 15 0 empty empty empty 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 66 19 loadbang;
 #X obj 66 42 del 5000;
 #X msg 66 63 1;
@@ -663,8 +628,7 @@
 #X floatatom 66 301 5 0 0 0 - - - 0;
 #X obj 66 321 change;
 #X floatatom 66 342 5 0 0 0 - - - 0;
-#X obj 66 362 tgl 15 0 ONOFF empty s:ONOFF 17 7 0 10 #fcfcfc #000000
-#000000 0 1;
+#X obj 66 362 tgl 15 0 ONOFF empty s:ONOFF 17 7 0 10 #fcfcfc #000000 #000000 0 1;
 #X obj 66 280 expr if($f1 > 900 \, if($f1 < 1830 \, 1 \, 0) \, 0);
 #X connect 0 0 2 0;
 #X connect 0 1 3 0;
@@ -676,7 +640,6 @@
 #X connect 6 0 5 0;
 #X connect 7 0 8 0;
 #X connect 8 0 9 0;
-#X connect 9 0 6 0;
 #X connect 10 0 11 0;
 #X connect 11 0 12 0;
 #X connect 12 0 17 0;
@@ -685,8 +648,7 @@
 #X connect 15 0 16 0;
 #X connect 17 0 13 0;
 #X restore 420 33 pd timer;
-#X obj 411 131 tgl 25 0 ONOFF empty s:ONOFF 17 7 0 10 #ffc7c6 #000000
-#000000 0 1;
+#X obj 411 131 tgl 25 0 ONOFF empty s:ONOFF 17 7 0 10 #ffc7c6 #000000 #000000 0 1;
 #X msg 411 106 set \$1;
 #X obj 411 85 r ONOFF;
 #X connect 0 0 16 0;