diff --git a/rust/src_webpack/src/api.ts b/rust/src_webpack/src/api.ts
index 09c34f3..4e67279 100644
--- a/rust/src_webpack/src/api.ts
+++ b/rust/src_webpack/src/api.ts
@@ -79,10 +79,11 @@ interface PlantConfig {
   pump_cooldown_min: number,
   pump_hour_start: number,
   pump_hour_end: number,
+  sensor_a: boolean,
   sensor_b: boolean,
   max_consecutive_pump_count: number,
-  moisture_sensor_min_frequency?: number;
-  moisture_sensor_max_frequency?: number;
+  moisture_sensor_min_frequency: number | null;
+  moisture_sensor_max_frequency: number | null;
 
 }
 
diff --git a/rust/src_webpack/src/main.html b/rust/src_webpack/src/main.html
index 33f82cc..8716f63 100644
--- a/rust/src_webpack/src/main.html
+++ b/rust/src_webpack/src/main.html
@@ -14,7 +14,7 @@
   }
 
   .progress {
-    height: 1.5em;
+    height: 2.5em;
     width: 100%;
     background-color: #555;
     position: relative;
@@ -29,7 +29,7 @@
     font-size: 0.8em;
     position: absolute;
     text-align: center;
-    top: 5px;
+    top: 10px;
     left: 0;
     right: 0;
   }
diff --git a/rust/src_webpack/src/main.ts b/rust/src_webpack/src/main.ts
index dd4dcec..ab3fc44 100644
--- a/rust/src_webpack/src/main.ts
+++ b/rust/src_webpack/src/main.ts
@@ -205,18 +205,16 @@ export class Controller {
       })
   }
 
-  downloadConfig() :Promise<void> {
+  async downloadConfig(): Promise<void> {
     controller.progressview.addIndeterminate("get_config", "Downloading Config")
-    return fetch(PUBLIC_URL + "/get_config")
-      .then(response => response.json())
-      .then(loaded => {
-        var currentConfig = loaded as PlantControllerConfig;
-        controller.setInitialConfig(currentConfig);
-        controller.setConfig(currentConfig);
-        //sync json view initially
-        this.configChanged();
-        controller.progressview.removeProgress("get_config")
-      })
+    const response = await fetch(PUBLIC_URL + "/get_config");
+    const loaded = await response.json();
+    var currentConfig = loaded as PlantControllerConfig;
+    controller.setInitialConfig(currentConfig);
+    controller.setConfig(currentConfig);
+    //sync json view initially
+    controller.configChanged();
+    controller.progressview.removeProgress("get_config");
   }
   setInitialConfig(currentConfig: PlantControllerConfig) {
     this.initialConfig = currentConfig
@@ -262,6 +260,7 @@ export class Controller {
     var pretty = JSON.stringify(current, undefined, 0);
     controller.submitView.setJson(pretty);
 
+
     if (deepEqual(current, controller.initialConfig)) {
       document.title = "PlantCtrl"
     } else {
@@ -471,36 +470,42 @@ export class Controller {
 const controller = new Controller();
 controller.progressview.removeProgress("rebooting");
 
-controller.progressview.addProgress("initial", 0, "read timezones");
-controller.populateTimezones().then(_ => {
-  controller.progressview.addProgress("initial", 10, "read rtc");
-  controller.updateRTCData().then(_ => {
-    controller.progressview.addProgress("initial", 20, "read battery");
-    controller.updateBatteryData().then(_ => {
-      controller.progressview.addProgress("initial", 40, "read config");
-      controller.downloadConfig().then(_ => {
-        controller.progressview.addProgress("initial", 50, "read version");
-        controller.version().then(_ => {
-          controller.progressview.addProgress("initial", 70, "read filelist");
-          controller.updateFileList().then(_ => {
-            controller.progressview.addProgress("initial", 90, "read backupinfo");
-            controller.getBackupInfo().then(_ => {
-              controller.loadLogLocaleConfig().then(_ => {
-                controller.loadTankInfo().then(_ => {
-                  controller.progressview.removeProgress("initial")
-                })
-              })
-            })
-          })
-        })
-      });
-    });
-  });
+
+
+
+const tasks = [
+  { task: controller.populateTimezones, displayString: "Populating Timezones" },
+  { task: controller.updateRTCData, displayString: "Updating RTC Data" },
+  { task: controller.updateBatteryData, displayString: "Updating Battery Data" },
+  { task: controller.downloadConfig, displayString: "Downloading Configuration" },
+  { task: controller.version, displayString: "Fetching Version Information" },
+  { task: controller.updateFileList, displayString: "Updating File List" },
+  { task: controller.getBackupInfo, displayString: "Fetching Backup Information" },
+  { task: controller.loadLogLocaleConfig, displayString: "Loading Log Localization Config" },
+  { task: controller.loadTankInfo, displayString: "Loading Tank Information" },
+];
+
+async function executeTasksSequentially() {
+  let current = 0;
+  for (const { task, displayString } of tasks) {
+    current++;
+    let ratio = current / tasks.length;
+    controller.progressview.addProgress("initial", ratio * 100, displayString);
+    try {
+      await task();
+    } catch (error) {
+      console.error(`Error executing task '${displayString}':`, error);
+      // Optionally, you can decide whether to continue or break on errors
+      break;
+    }
+  }
+}
+
+executeTasksSequentially().then(r => {
+  controller.progressview.removeProgress("initial")
 });
 
 
-//controller.measure_moisture();
-
 
 
 controller.progressview.removeProgress("rebooting");
diff --git a/rust/src_webpack/src/plant.ts b/rust/src_webpack/src/plant.ts
index e44ad7a..e042bf5 100644
--- a/rust/src_webpack/src/plant.ts
+++ b/rust/src_webpack/src/plant.ts
@@ -183,6 +183,8 @@ export class PlantView {
 
     getConfig(): PlantConfig {
         return {
+            // hardcoded for now
+            sensor_a: true,
             mode: this.mode.value,
             target_moisture: this.targetMoisture.valueAsNumber,
             pump_time_s: this.pumpTimeS.valueAsNumber,
@@ -191,8 +193,8 @@ export class PlantView {
             pump_hour_end: +this.pumpHourEnd.value,
             sensor_b: this.sensorBInstalled.checked,
             max_consecutive_pump_count: this.maxConsecutivePumpCount.valueAsNumber,
-            moisture_sensor_min_frequency: this.moistureSensorMinFrequency.valueAsNumber || undefined,
-            moisture_sensor_max_frequency: this.moistureSensorMaxFrequency.valueAsNumber || undefined,
+            moisture_sensor_min_frequency: this.moistureSensorMinFrequency.valueAsNumber || null,
+            moisture_sensor_max_frequency: this.moistureSensorMaxFrequency.valueAsNumber || null
         };
     }
   }
\ No newline at end of file