diff --git a/app/src/main/java/org/hydev/wearsync/MainActivity.kt b/app/src/main/java/org/hydev/wearsync/MainActivity.kt
index 7ff218a..e20fc13 100644
--- a/app/src/main/java/org/hydev/wearsync/MainActivity.kt
+++ b/app/src/main/java/org/hydev/wearsync/MainActivity.kt
@@ -3,21 +3,21 @@ package org.hydev.wearsync
 import android.annotation.SuppressLint
 import android.bluetooth.BluetoothAdapter
 import android.content.Intent
+import android.graphics.Color
 import android.os.Bundle
-import android.view.Menu
-import android.view.MenuItem
+import android.view.*
+import android.widget.TextView
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.influxdb.client.kotlin.InfluxDBClientKotlin
 import kotlinx.coroutines.*
+import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.consumeAsFlow
 import org.hydev.wearsync.ActivityPermissions.Companion.hasPermissions
-import org.hydev.wearsync.bles.BluetoothHandler
 import org.hydev.wearsync.bles.BluetoothHandler.Companion.ble
-import org.hydev.wearsync.bles.ObservationUnit
 import org.hydev.wearsync.databinding.ActivityMainBinding
-import java.text.DateFormat
-import java.text.SimpleDateFormat
 import java.util.*
 
 class MainActivity : AppCompatActivity()
@@ -43,21 +43,30 @@ class MainActivity : AppCompatActivity()
         setContentView(binding.root)
         setSupportActionBar(binding.toolbar)
 
+        binding.content.recycler.let {
+            it.adapter = RecordAdapter(records)
+            it.layoutManager = LinearLayoutManager(this)
+        }
+
         if (!hasPermissions()) permissionCallback.launch(intent<ActivityPermissions>())
         else afterPermissions()
     }
 
     val permissionCallback = actCallback { afterPermissions() }
     fun afterPermissions() {
+        addRecord("Permissions granted")
+
         scope.launch {
             // Open settings if influx database is inaccessible
             if (runCatching { prefs.influxPing() }.isFailure) settingsCallback.launch(intent<ActivitySettings>())
-            else afterSettings()
+            else runOnUiThread { afterSettings() }
         }
     }
 
     val settingsCallback = actCallback { afterSettings() }
     fun afterSettings() {
+        addRecord("InfluxDB settings checked")
+
         // Create client
         influx = prefs.createInflux()
 
@@ -66,9 +75,12 @@ class MainActivity : AppCompatActivity()
     }
 
     val connectCallback = actCallback {
+        addRecord("Device connected")
+
         // Start collection
         binding.content.tvDevice.text = "Configured Device: ${prefs.chosenDevice}"
         binding.content.tvValue.text = "Service started!"
+
         startCollect()
     }
 
@@ -102,86 +114,55 @@ class MainActivity : AppCompatActivity()
     }
 
     private val scope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
-    private val dateFormat: DateFormat = SimpleDateFormat("dd-MM-yyyy HH:mm:ss", Locale.ENGLISH)
+    private val records = ArrayList<Any>()
+
+    class RecordAdapter(val records: List<Any>) : RecyclerView.Adapter<RecordAdapter.ViewHolder>() {
+        inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+            val type = itemView.findViewById<TextView>(R.id.rrType)
+            val value = itemView.findViewById<TextView>(R.id.rrValue)
+        }
+
+        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder
+        {
+            return ViewHolder(LayoutInflater.from(parent.context)
+                .inflate(R.layout.recycler_record, parent, false))
+        }
+
+        override fun getItemCount() = records.size
+
+        override fun onBindViewHolder(holder: ViewHolder, position: Int)
+        {
+            val record = records[position]
+            val cls = record.javaClass.name
+            holder.type.text = cls
+            holder.value.text = record.toString().replace(cls, "")
+
+            if (record is Exception) holder.type.setTextColor(Color.parseColor("#FF6C52"))
+        }
+    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun addRecord(t: Any) {
+        while (records.size > 20) records.remove(0)
+        records.add(t)
+        runOnUiThread { binding.content.recycler.adapter?.notifyDataSetChanged() }
+    }
 
     fun startCollect()
     {
-        collectHeartRate(ble)
-        collectPulseOxContinuous(ble)
-        collectPulseOxSpot(ble)
-        collectTemperature(ble)
-        collectWeight(ble)
+        collect(ble.heartRateChannel)
+        collect(ble.batteryChannel)
     }
 
-    private fun collectHeartRate(bluetoothHandler: BluetoothHandler) {
+    private fun <T : Any> collect(channel: Channel<T>) {
         scope.launch {
-            bluetoothHandler.heartRateChannel.consumeAsFlow().collect {
-                withContext(Dispatchers.Main) {
-                    binding.content.tvValue.text = String.format(Locale.ENGLISH, "%d bpm", it.pulse)
+            channel.consumeAsFlow().collect {
+                try {
+                    addRecord(it)
+                    influx add it
                 }
-                influx add it
-            }
-        }
-    }
-
-    private fun collectPulseOxContinuous(bluetoothHandler: BluetoothHandler) {
-        scope.launch {
-            bluetoothHandler.pulseOxContinuousChannel.consumeAsFlow().collect {
-                withContext(Dispatchers.Main) {
-                    binding.content.tvValue.text = String.format(
-                        Locale.ENGLISH,
-                        "SpO2 %d%%,  Pulse %d bpm\n%s\n\nfrom %s",
-                        it.spO2,
-                        it.pulseRate,
-                        dateFormat.format(Calendar.getInstance())
-                    )
-                }
-            }
-        }
-    }
-
-    private fun collectPulseOxSpot(bluetoothHandler: BluetoothHandler) {
-        scope.launch {
-            bluetoothHandler.pulseOxSpotChannel.consumeAsFlow().collect {
-                withContext(Dispatchers.Main) {
-                    binding.content.tvValue.text = String.format(
-                        Locale.ENGLISH,
-                        "SpO2 %d%%,  Pulse %d bpm\n",
-                        it.spO2,
-                        it.pulseRate
-                    )
-                }
-            }
-        }
-    }
-
-    private fun collectTemperature(bluetoothHandler: BluetoothHandler) {
-        scope.launch {
-            bluetoothHandler.temperatureChannel.consumeAsFlow().collect {
-                withContext(Dispatchers.Main) {
-                    binding.content.tvValue.text = String.format(
-                        Locale.ENGLISH,
-                        "%.1f %s (%s)\n%s\n",
-                        it.temperatureValue,
-                        if (it.unit == ObservationUnit.Celsius) "celsius" else "fahrenheit",
-                        it.type,
-                        dateFormat.format(it.timestamp ?: Calendar.getInstance())
-                    )
-                }
-            }
-        }
-    }
-
-    private fun collectWeight(bluetoothHandler: BluetoothHandler) {
-        scope.launch {
-            bluetoothHandler.weightChannel.consumeAsFlow().collect {
-                withContext(Dispatchers.Main) {
-                    binding.content.tvValue.text = String.format(
-                        Locale.ENGLISH,
-                        "%.1f %s\n%s\n",
-                        it.weight, it.unit.toString(),
-                        dateFormat.format(it.timestamp ?: Calendar.getInstance())
-                    )
+                catch (e: Exception) {
+                    addRecord(e)
                 }
             }
         }