diff --git a/apps/bthrm/ChangeLog b/apps/bthrm/ChangeLog
index 58d002f22..41eec666a 100644
--- a/apps/bthrm/ChangeLog
+++ b/apps/bthrm/ChangeLog
@@ -20,3 +20,4 @@
 0.07: Recorder icon only blue if values actually arive
       Adds some preset modes and a custom one
       Restructure the settings menu
+0.08: Allow scanning for devices in settings
diff --git a/apps/bthrm/boot.js b/apps/bthrm/boot.js
index 339f6f8c6..3a1f1cc4c 100644
--- a/apps/bthrm/boot.js
+++ b/apps/bthrm/boot.js
@@ -23,7 +23,10 @@
     }
 
     function getCache(){
-      return require('Storage').readJSON("bthrm.cache.json", true) || {};
+      var cache = require('Storage').readJSON("bthrm.cache.json", true) || {};
+      if (settings.btname && settings.btname == cache.name) return cache;
+      clearCache();
+      return {};
     }
     
     function addNotificationHandler(characteristic){
@@ -361,7 +364,13 @@
       var promise;
       
       if (!device){
-        promise = NRF.requestDevice({ filters: serviceFilters });
+        var filters = serviceFilters;
+        if (settings.btname){
+          log("Configured device name", settings.btname);
+          filters = [{name: settings.btname}];
+        }
+        log("Requesting device with filters", filters);
+        promise = NRF.requestDevice({ filters: filters });
         
         if (settings.gracePeriodRequest){
           log("Add " + settings.gracePeriodRequest + "ms grace period after request");
@@ -488,11 +497,15 @@
         if (gatt) {
           if (gatt.connected){
             log("Disconnect with gatt: ", gatt);
-            gatt.disconnect().then(()=>{
-              log("Successful disconnect");
-            }).catch((e)=>{
-              log("Error during disconnect", e);
-            });
+            try{
+              gatt.disconnect().then(()=>{
+                log("Successful disconnect");
+              }).catch((e)=>{
+                log("Error during disconnect promise", e);
+              });
+            } catch (e){
+              log("Error during disconnect attempt", e);
+            }
           }
         }
       }
diff --git a/apps/bthrm/metadata.json b/apps/bthrm/metadata.json
index 1c21269e2..b35ebd6af 100644
--- a/apps/bthrm/metadata.json
+++ b/apps/bthrm/metadata.json
@@ -2,7 +2,7 @@
   "id": "bthrm",
   "name": "Bluetooth Heart Rate Monitor",
   "shortName": "BT HRM",
-  "version": "0.07",
+  "version": "0.08",
   "description": "Overrides Bangle.js's build in heart rate monitor with an external Bluetooth one.",
   "icon": "app.png",
   "type": "app",
diff --git a/apps/bthrm/settings.js b/apps/bthrm/settings.js
index beefb00e9..4b564d670 100644
--- a/apps/bthrm/settings.js
+++ b/apps/bthrm/settings.js
@@ -17,54 +17,73 @@
   var settings;
   readSettings();
 
-  var mainmenu = {
-    '': { 'title': 'Bluetooth HRM' },
-    '< Back': back,
-    'Mode': {
-      value: 0 | settings.mode,
-      min: 0,
-      max: 3,
-      format: v => ["Off", "Default", "Both", "Custom"][v],
-      onchange: v => {
-        settings.mode = v;
-        switch (v){
-          case 0:
-            writeSettings("enabled",false);
-            break;
-          case 1:
-            writeSettings("enabled",true);
-            writeSettings("replace",true);
-            writeSettings("debuglog",false);
-            writeSettings("startWithHrm",true);
-            writeSettings("allowFallback",true);
-            writeSettings("fallbackTimeout",10);
-            break;
-          case 2:
-            writeSettings("enabled",true);
-            writeSettings("replace",false);
-            writeSettings("debuglog",false);
-            writeSettings("startWithHrm",false);
-            writeSettings("allowFallback",false);
-            break;
-          case 3:
-            writeSettings("enabled",true);
-            writeSettings("replace",settings.custom_replace);
-            writeSettings("debuglog",settings.custom_debuglog);
-            writeSettings("startWithHrm",settings.custom_startWithHrm);
-            writeSettings("allowFallback",settings.custom_allowFallback);
-            writeSettings("fallbackTimeout",settings.custom_fallbackTimeout);
-            break;
+  function buildMainMenu(){
+    var mainmenu = {
+      '': { 'title': 'Bluetooth HRM' },
+      '< Back': back,
+      'Mode': {
+        value: 0 | settings.mode,
+        min: 0,
+        max: 3,
+        format: v => ["Off", "Default", "Both", "Custom"][v],
+        onchange: v => {
+          settings.mode = v;
+          switch (v){
+            case 0:
+              writeSettings("enabled",false);
+              break;
+            case 1:
+              writeSettings("enabled",true);
+              writeSettings("replace",true);
+              writeSettings("debuglog",false);
+              writeSettings("startWithHrm",true);
+              writeSettings("allowFallback",true);
+              writeSettings("fallbackTimeout",10);
+              break;
+            case 2:
+              writeSettings("enabled",true);
+              writeSettings("replace",false);
+              writeSettings("debuglog",false);
+              writeSettings("startWithHrm",false);
+              writeSettings("allowFallback",false);
+              break;
+            case 3:
+              writeSettings("enabled",true);
+              writeSettings("replace",settings.custom_replace);
+              writeSettings("debuglog",settings.custom_debuglog);
+              writeSettings("startWithHrm",settings.custom_startWithHrm);
+              writeSettings("allowFallback",settings.custom_allowFallback);
+              writeSettings("fallbackTimeout",settings.custom_fallbackTimeout);
+              break;
+          }
+          writeSettings("mode",v);
         }
-        writeSettings("mode",v);
       }
-    },
-    'Custom Mode': function() { E.showMenu(submenu_custom); },
-    'Debug': function() { E.showMenu(submenu_debug); }
-  };
+    };
+
+    if (settings.btname){
+      var name = "Clear " + settings.btname;
+      mainmenu[name] = function() {
+      E.showPrompt("Clear current device name?").then((r)=>{
+          if (r) {
+            writeSettings("btname",undefined);
+          }
+          E.showMenu(buildMainMenu());
+        });
+      };
+    }
+
+    mainmenu["BLE Scan"] = ()=> createMenuFromScan();
+    mainmenu["Custom Mode"] = function() { E.showMenu(submenu_custom); };
+    mainmenu.Debug = function() { E.showMenu(submenu_debug); };
+    return mainmenu;
+  }
+  
+
   
   var submenu_debug = {
     '' : { title: "Debug"},
-    '< Back': function() { E.showMenu(mainmenu); },
+    '< Back': function() { E.showMenu(buildMainMenu()); },
     'Alert on disconnect': {
       value: !!settings.warnDisconnect,
       format: v => settings.warnDisconnect ? "On" : "Off",
@@ -81,10 +100,41 @@
     },
     'Grace periods': function() { E.showMenu(submenu_grace); }
   };
+
+  function createMenuFromScan(){
+    E.showMenu();
+    E.showMessage("Scanning");
+
+    var submenu_scan = {
+      '' : { title: "Scan"},
+      '< Back': function() { E.showMenu(buildMainMenu()); }
+    };
+    var packets=10;
+    var scanStart=Date.now();
+    NRF.setScan(function(d) {
+      packets--;
+      if (packets<=0 || Date.now() - scanStart > 5000){
+        NRF.setScan();
+        E.showMenu(submenu_scan);
+      } else if (d.name){
+        print("Found device", d);
+        submenu_scan[d.name] = function(){
+          E.showPrompt("Set "+d.name+"?").then((r)=>{
+          if (r) {
+            writeSettings("btname",d.name);
+          }
+          E.showMenu(buildMainMenu());
+        });
+        };
+      }
+    }, { filters: [{services: [ "180d" ]}]});
+  }
+  
+
   
   var submenu_custom = {
     '' : { title: "Custom mode"},
-    '< Back': function() { E.showMenu(mainmenu); },
+    '< Back': function() { E.showMenu(buildMainMenu()); },
     'Replace HRM': {
       value: !!settings.custom_replace,
       format: v => settings.custom_replace ? "On" : "Off",
@@ -165,7 +215,7 @@
   
   var submenu = {
     '' : { title: "Grace periods"},
-    '< Back': function() { E.showMenu(mainmenu); },
+    '< Back': function() { E.showMenu(buildMainMenu()); },
     'Request': {
       value: settings.gracePeriodRequest,
       min: 0,
@@ -208,5 +258,5 @@
     }
   };
   
-  E.showMenu(mainmenu);
+  E.showMenu(buildMainMenu());
 })
diff --git a/apps/widbaroalarm/ChangeLog b/apps/widbaroalarm/ChangeLog
index ec66c5568..c12cc0d65 100644
--- a/apps/widbaroalarm/ChangeLog
+++ b/apps/widbaroalarm/ChangeLog
@@ -1 +1,2 @@
 0.01: Initial version
+0.02: Do not warn multiple times for the same exceedance
diff --git a/apps/widbaroalarm/README.md b/apps/widbaroalarm/README.md
index b92a51050..fdc239170 100644
--- a/apps/widbaroalarm/README.md
+++ b/apps/widbaroalarm/README.md
@@ -2,10 +2,8 @@
 
 Get a notification when the pressure reaches defined thresholds.
 
-![Screenshot](screenshot.png)
 
 ## Settings
-
 * Interval: check interval of sensor data in minutes. 0 to disable automatic check.
 * Low alarm: Toggle low alarm
   * Low threshold: Warn when pressure drops below this value
diff --git a/apps/widbaroalarm/metadata.json b/apps/widbaroalarm/metadata.json
index 0976df531..9c58a41ab 100644
--- a/apps/widbaroalarm/metadata.json
+++ b/apps/widbaroalarm/metadata.json
@@ -1,8 +1,8 @@
 {
   "id": "widbaroalarm",
-  "name": "Barometer alarm widget",
-  "shortName": "Barometer alarm",
-  "version": "0.01",
+  "name": "Barometer Alarm Widget",
+  "shortName": "Barometer Alarm",
+  "version": "0.02",
   "description": "A widget that can alarm on when the pressure reaches defined thresholds.",
   "icon": "widget.png",
   "type": "widget",
diff --git a/apps/widbaroalarm/settings.js b/apps/widbaroalarm/settings.js
index 1455072e4..bea6319d1 100644
--- a/apps/widbaroalarm/settings.js
+++ b/apps/widbaroalarm/settings.js
@@ -36,7 +36,7 @@
         value: settings.min,
         min: 600,
         max: 1000,
-        step: 10,
+        step: 5,
         onchange: x => save("min", x),
       },
       "High alarm": {
@@ -48,9 +48,9 @@
       },
       "High threshold": {
         value: settings.max,
-        min: 1000,
+        min: 700,
         max: 1100,
-        step: 10,
+        step: 5,
         onchange: x => save("max", x),
       },
       "Drop alarm": {
diff --git a/apps/widbaroalarm/widget.js b/apps/widbaroalarm/widget.js
index 7279a963a..5d62156eb 100644
--- a/apps/widbaroalarm/widget.js
+++ b/apps/widbaroalarm/widget.js
@@ -1,185 +1,239 @@
 (function() {
-    let medianPressure;
-    let threeHourAvrPressure;
-    let currentPressures = [];
+  let medianPressure;
+  let threeHourAvrPressure;
+  let currentPressures = [];
 
-    const LOG_FILE = "widbaroalarm.log.json";
-    const SETTINGS_FILE = "widbaroalarm.json";
-    const storage = require('Storage');
-    let settings = Object.assign(
+  const LOG_FILE = "widbaroalarm.log.json";
+  const SETTINGS_FILE = "widbaroalarm.json";
+  const storage = require('Storage');
+
+  let settings;
+
+  function loadSettings() {
+    settings = Object.assign(
       storage.readJSON("widbaroalarm.default.json", true) || {},
       storage.readJSON(SETTINGS_FILE, true) || {}
     );
+  }
 
-    function setting(key) {
-      return settings[key];
+  loadSettings();
+
+
+  function setting(key) {
+    return settings[key];
+  }
+
+  function saveSetting(key, value) {
+    settings[key] = value;
+    storage.write(SETTINGS_FILE, settings);
+  }
+
+  const interval = setting("interval");
+
+  let history3 = storage.readJSON(LOG_FILE, true) || []; // history of recent 3 hours
+
+  function showAlarm(body, title) {
+    if (body == undefined) return;
+
+    require("notify").show({
+      title: title || "Pressure",
+      body: body,
+      icon: require("heatshrink").decompress(atob("jEY4cA///gH4/++mkK30kiWC4H8x3BGDmSGgYDCgmSoEAg3bsAIDpAIFkmSpMAm3btgIFDQwIGNQpTYkAIJwAHEgMoCA0JgMEyBnBCAW3KoQQDhu3oAIH5JnDBAW24IIBEYm2EYwACBCIACA"))
+    });
+
+    if (setting("buzz") &&
+      !(storage.readJSON('setting.json', 1) || {}).quiet) {
+      Bangle.buzz();
     }
-    const interval = setting("interval");
+  }
 
-    let history3 = storage.readJSON(LOG_FILE, true) || []; // history of recent 3 hours
 
-    function showAlarm(body, title) {
-      if (body == undefined) return;
+  function didWeAlreadyWarn(key) {
+    return setting(key) == undefined || setting(key) > 0;
+  }
 
-      require("notify").show({
-        title: title || "Pressure",
-        body: body,
-        icon: require("heatshrink").decompress(atob("jEY4cA///gH4/++mkK30kiWC4H8x3BGDmSGgYDCgmSoEAg3bsAIDpAIFkmSpMAm3btgIFDQwIGNQpTYkAIJwAHEgMoCA0JgMEyBnBCAW3KoQQDhu3oAIH5JnDBAW24IIBEYm2EYwACBCIACA"))
-      });
-
-      if (setting("buzz") &&
-        !(storage.readJSON('setting.json', 1) || {}).quiet) {
-        Bangle.buzz();
-      }
-    }
+  function checkForAlarms(pressure) {
+    if (pressure == undefined || pressure <= 0) return;
 
     let alreadyWarned = false;
 
-    function checkForAlarms(pressure) {
-      if (pressure == undefined || pressure <= 0) return;
+    const ts = Math.round(Date.now() / 1000); // seconds
+    const d = {
+      "ts": ts,
+      "p": pressure
+    };
 
-      const ts = Math.round(Date.now() / 1000); // seconds
-      const d = {
-        "ts": ts,
-        "p": pressure
-      };
-
-      // delete entries older than 3h
-      for (let i = 0; i < history3.length; i++) {
-        if (history3[i]["ts"] < ts - (3 * 60 * 60)) {
-          history3.shift();
-        }
-      }
-      // delete oldest entries until we have max 50
-      while (history3.length > 50) {
+    // delete entries older than 3h
+    for (let i = 0; i < history3.length; i++) {
+      if (history3[i]["ts"] < ts - (3 * 60 * 60)) {
         history3.shift();
       }
+    }
+    // delete oldest entries until we have max 50
+    while (history3.length > 50) {
+      history3.shift();
+    }
 
-      history3.push(d);
-      // write data to storage
-      storage.writeJSON(LOG_FILE, history3);
-
-      if (setting("lowalarm") && pressure <= setting("min")) {
-        showAlarm("Pressure low: " + Math.round(pressure) + " hPa");
-        alreadyWarned = true;
+    if (setting("lowalarm")) {
+      // Is below the alarm threshold?
+      if (pressure <= setting("min")) {
+        if (!didWeAlreadyWarn("lastLowWarningTs")) {
+          showAlarm("Pressure low: " + Math.round(pressure) + " hPa");
+          saveSetting("lastLowWarningTs", ts);
+          alreadyWarned = true;
+        }
+      } else {
+        saveSetting("lastLowWarningTs", 0);
       }
-      if (setting("highalarm") && pressure >= setting("max")) {
-        showAlarm("Pressure high: " + Math.round(pressure) + " hPa");
-        alreadyWarned = true;
+    } else {
+      saveSetting("lastLowWarningTs", 0);
+    }
+
+    if (setting("highalarm")) {
+      // Is above the alarm threshold?
+      if (pressure >= setting("max")) {
+        if (!didWeAlreadyWarn("lastHighWarningTs")) {
+          showAlarm("Pressure high: " + Math.round(pressure) + " hPa");
+          saveSetting("lastHighWarningTs", ts);
+          alreadyWarned = true;
+        }
+      } else {
+        saveSetting("lastHighWarningTs", 0);
       }
+    } else {
+      saveSetting("lastHighWarningTs", 0);
+    }
 
-      if (!alreadyWarned) {
-        // 3h change detection
-        const drop3halarm = setting("drop3halarm");
-        const raise3halarm = setting("raise3halarm");
-        if (drop3halarm > 0 || raise3halarm > 0) {
-          // we need at least 30min of data for reliable detection
-          if (history3[0]["ts"] > ts - (30 * 60)) {
-            return;
-          }
+    if (!alreadyWarned) {
+      // 3h change detection
+      const drop3halarm = setting("drop3halarm");
+      const raise3halarm = setting("raise3halarm");
+      if (drop3halarm > 0 || raise3halarm > 0) {
+        // we need at least 30min of data for reliable detection
+        if (history3[0]["ts"] > ts - (30 * 60)) {
+          return;
+        }
 
-          // Get oldest entry:
-          const oldestPressure = history3[0]["p"];
-          if (oldestPressure != undefined && oldestPressure > 0) {
-            const diff = oldestPressure - pressure;
+        // Get oldest entry:
+        const oldestPressure = history3[0]["p"];
+        if (oldestPressure != undefined && oldestPressure > 0) {
+          const diff = oldestPressure - pressure;
 
-            // drop alarm
-            if (drop3halarm > 0 && oldestPressure > pressure) {
-              if (Math.abs(diff) > drop3halarm) {
+          // drop alarm
+          if (drop3halarm > 0 && oldestPressure > pressure) {
+            if (Math.abs(diff) > drop3halarm) {
+              if (!didWeAlreadyWarn("lastDropWarningTs")) {
                 showAlarm((Math.round(Math.abs(diff) * 10) / 10) + " hPa/3h from " +
                   Math.round(oldestPressure) + " to " + Math.round(pressure) + " hPa", "Pressure drop");
+                saveSetting("lastDropWarningTs", ts);
+              }
+            } else {
+              saveSetting("lastDropWarningTs", 0);
             }
+          } else {
+            saveSetting("lastDropWarningTs", 0);
           }
 
           // raise alarm
           if (raise3halarm > 0 && oldestPressure < pressure) {
             if (Math.abs(diff) > raise3halarm) {
-              showAlarm((Math.round(Math.abs(diff) * 10) / 10) + " hPa/3h from " +
-                Math.round(oldestPressure) + " to " + Math.round(pressure) + " hPa", "Pressure raise");
+              if (!didWeAlreadyWarn("lastRaiseWarningTs")) {
+                showAlarm((Math.round(Math.abs(diff) * 10) / 10) + " hPa/3h from " +
+                  Math.round(oldestPressure) + " to " + Math.round(pressure) + " hPa", "Pressure raise");
+                saveSetting("lastRaiseWarningTs", ts);
+              }
+            } else {
+              saveSetting("lastRaiseWarningTs", 0);
+            }
+          } else {
+            saveSetting("lastRaiseWarningTs", 0);
           }
         }
       }
     }
+
+    history3.push(d);
+    // write data to storage
+    storage.writeJSON(LOG_FILE, history3);
+
+    // calculate 3h average for widget
+    let sum = 0;
+    for (let i = 0; i < history3.length; i++) {
+      sum += history3[i]["p"];
+    }
+    threeHourAvrPressure = sum / history3.length;
   }
 
-  // calculate 3h average for widget
-  let sum = 0;
-  for (let i = 0; i < history3.length; i++) {
-    sum += history3[i]["p"];
-  }
-  threeHourAvrPressure = sum / history3.length;
-}
 
 
-
-function baroHandler(data) {
-  if (data) {
-    const pressure = Math.round(data.pressure);
-    if (pressure == undefined || pressure <= 0) return;
-    currentPressures.push(pressure);
-  }
-}
-
-/*
- turn on barometer power
- take 5 measurements
- sort the results
- take the middle one (median)
- turn off barometer power
-*/
-function check() {
-  Bangle.setBarometerPower(true, "widbaroalarm");
-  setTimeout(function() {
-    currentPressures = [];
-
-    Bangle.getPressure().then(baroHandler);
-    Bangle.getPressure().then(baroHandler);
-    Bangle.getPressure().then(baroHandler);
-    Bangle.getPressure().then(baroHandler);
-    Bangle.getPressure().then(baroHandler);
-
-    setTimeout(function() {
-      Bangle.setBarometerPower(false, "widbaroalarm");
-
-      currentPressures.sort();
-
-      // take median value
-      medianPressure = currentPressures[3];
-      checkForAlarms(medianPressure);
-    }, 1000);
-  }, 500);
-}
-
-function reload() {
-  check();
-}
-
-function draw() {
-  g.reset();
-  if (setting("show") && medianPressure != undefined) {
-    g.setFont("6x8", 1).setFontAlign(1, 0);
-    g.drawString(Math.round(medianPressure), this.x + 24, this.y + 6);
-    if (threeHourAvrPressure != undefined && threeHourAvrPressure > 0) {
-      g.drawString(Math.round(threeHourAvrPressure), this.x + 24, this.y + 6 + 10);
+  function baroHandler(data) {
+    if (data) {
+      const pressure = Math.round(data.pressure);
+      if (pressure == undefined || pressure <= 0) return;
+      currentPressures.push(pressure);
     }
   }
-}
 
-if (global.WIDGETS != undefined && typeof WIDGETS === "object") {
-  WIDGETS["baroalarm"] = {
-    width: setting("show") ? 24 : 0,
-    reload: reload,
-    area: "tr",
-    draw: draw
-  };
-}
+  /*
+   turn on barometer power
+   take 5 measurements
+   sort the results
+   take the middle one (median)
+   turn off barometer power
+  */
+  function check() {
+    Bangle.setBarometerPower(true, "widbaroalarm");
+    setTimeout(function() {
+      currentPressures = [];
 
-// Let's delay the first check a bit
-setTimeout(function() {
-check();
-if (interval > 0) {
-  setInterval(check, interval * 60000);
-}
-}, 5000);
+      Bangle.getPressure().then(baroHandler);
+      Bangle.getPressure().then(baroHandler);
+      Bangle.getPressure().then(baroHandler);
+      Bangle.getPressure().then(baroHandler);
+      Bangle.getPressure().then(baroHandler);
+
+      setTimeout(function() {
+        Bangle.setBarometerPower(false, "widbaroalarm");
+
+        currentPressures.sort();
+
+        // take median value
+        medianPressure = currentPressures[3];
+        checkForAlarms(medianPressure);
+      }, 1000);
+    }, 500);
+  }
+
+  function reload() {
+    check();
+  }
+
+  function draw() {
+    if (global.WIDGETS != undefined && typeof WIDGETS === "object") {
+      WIDGETS["baroalarm"] = {
+        width: setting("show") ? 24 : 0,
+        reload: reload,
+        area: "tr",
+        draw: draw
+      };
+    }
+
+    g.reset();
+    if (setting("show") && medianPressure != undefined) {
+      g.setFont("6x8", 1).setFontAlign(1, 0);
+      g.drawString(Math.round(medianPressure), this.x + 24, this.y + 6);
+      if (threeHourAvrPressure != undefined && threeHourAvrPressure > 0) {
+        g.drawString(Math.round(threeHourAvrPressure), this.x + 24, this.y + 6 + 10);
+      }
+    }
+  }
+
+  // Let's delay the first check a bit
+  setTimeout(function() {
+    check();
+    if (interval > 0) {
+      setInterval(check, interval * 60000);
+    }
+  }, 1000);
 
 })();
diff --git a/core b/core
index a7a80a13f..affb0b15b 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit a7a80a13fa187a4ff5f89669992babca2d95812c
+Subproject commit affb0b15b41eb35a1548373831af7001bad64435