diff --git a/lib/patrix/log.cpp b/lib/patrix/log.cpp
index 92afb36..df05383 100644
--- a/lib/patrix/log.cpp
+++ b/lib/patrix/log.cpp
@@ -6,10 +6,10 @@
 bool debugEnabled = DEBUG_LOG;
 
 void log(const char *level, const char *format, va_list vl) {
-  char datetime[26];
+  char datetime[26] = "";
   getDateTime(datetime, sizeof datetime);
 
-  char header[20];
+  char header[20] = "";
   snprintf(header, sizeof header, " | %-5s | ", level);
 
   char message[500];
diff --git a/lib/patrix/mqtt.cpp b/lib/patrix/mqtt.cpp
index 9eb41f7..66b4a1b 100644
--- a/lib/patrix/mqtt.cpp
+++ b/lib/patrix/mqtt.cpp
@@ -41,6 +41,8 @@ void mqttDisconnect() {
 
 void mqttLoop() {
   const bool connected = mqtt.loop();
+  yield();
+
   if (mqttConnected != connected) {
     if (!connected) {
       error("MQTT DISCONNECTED");
@@ -84,16 +86,19 @@ void mqttPublishLog(const char *datetime, const char *header, const char *messag
     mqtt.print(header);
     mqtt.print(message);
     mqtt.endPublish();
+    yield();
   }
 }
 
 bool mqttPublishData(const char *name, const JsonDocument &doc) {
-  if (mqtt.connected() != 0) {
+  if (mqtt.connected()) {
     char topic[128];
     snprintf(topic, sizeof topic, TOPIC_DATA_FORMAT, HOSTNAME, name);
     char payload[512];
     const size_t size = serializeJson(doc, payload);
-    return mqtt.publish(topic, payload, size);
+    boolean result = mqtt.publish(topic, payload, size);
+    yield();
+    return result;
   }
   return false;
 }
diff --git a/lib/patrix/sensors/Dallas.h b/lib/patrix/sensors/Dallas.h
index b45797d..91d95d4 100644
--- a/lib/patrix/sensors/Dallas.h
+++ b/lib/patrix/sensors/Dallas.h
@@ -43,7 +43,7 @@ public:
   void loop() {
     if (converting) {
       if (sensors.isConversionComplete()) {
-        if (first || isDebugEnabled()) {
+        if (first) {
           first = false;
           uint8_t count = sensors.getDeviceCount();
           if (count == 0) {
diff --git a/lib/patrix/sensors/DallasSensor.h b/lib/patrix/sensors/DallasSensor.h
index d28dc9e..700b5ee 100644
--- a/lib/patrix/sensors/DallasSensor.h
+++ b/lib/patrix/sensors/DallasSensor.h
@@ -35,8 +35,8 @@ public:
 
   DallasSensor(Dallas &sensors, const uint64_t address, const char *name, const double valueThreshold, const time_t timeoutSec, const time_t minIntervalSec) :
       sensors(sensors),
-      name(name),
       address(address),
+      name(name),
       valueThreshold(valueThreshold),
       timeoutSec(timeoutSec),
       minIntervalSec(minIntervalSec) {
diff --git a/lib/patrix/wifi.cpp b/lib/patrix/wifi.cpp
index 4a3a76b..27b2f50 100644
--- a/lib/patrix/wifi.cpp
+++ b/lib/patrix/wifi.cpp
@@ -54,6 +54,7 @@ void wifiConnect() {
     otaInitialized = false;
   }
   mqttDisconnect();
+  yield();
 
   WiFi.disconnect();
   WiFi.enableAP(false);
@@ -119,21 +120,27 @@ void otaSetup() {
   });
 }
 
+void bootDelayLoop() {
+  // TODO merge this into Arduino:loop
+  consoleLoop();
+  wifiLoop();
+  yield();
+  wdt_reset();
+}
+
 void bootDelay() {
 #if !BOOT_DELAY
   return;
 #endif
   info("BOOT DELAY: Waiting for WiFi...");
   while ((uint32_t) WiFi.localIP() == 0) {
-    consoleLoop();
-    wifiLoop();
+    bootDelayLoop();
   }
   info("BOOT DELAY: WiFi connected!");
   info("BOOT DELAY: Waiting 10 seconds...");
   unsigned long bootDelayBegin = millis();
   while (millis() - bootDelayBegin < BOOT_DELAY_MS) {
-    consoleLoop();
-    wifiLoop();
+    bootDelayLoop();
   }
   info("BOOT DELAY: Complete!");
   info("BOOT DELAY: Resuming normal boot!");
diff --git a/src/Fermenter.cpp b/src/Fermenter.cpp
index 64b2c39..1530bbe 100644
--- a/src/Fermenter.cpp
+++ b/src/Fermenter.cpp
@@ -11,7 +11,7 @@
 
 Dallas dallas(SENSOR_GPIO);
 
-DallasSensor sensor(dallas, 0xAA0121125E4A7528, "sensor", 0.5, 5, 60);
+DallasSensor sensor(dallas, 0x3D0417C1D740FF28, "sensor", 0.5, 5, 60);
 
 ArduPID pid;
 
@@ -61,7 +61,7 @@ void patrixLoop() {
   unsigned long now = millis();
   if (now - lastDebug >= 1000) {
     lastDebug = now;
-    debug("p: %f | i: %f | d: %f | current: %4.1f | target: %4.1f | pwm: %3d%%", proportional, integral, derivative, temperatureCurrent, temperatureTarget, heaterPWM);
+    debug("p: %f | i: %f | d: %f | current: %4.1f | target: %4.1f | pwm: %f", proportional, integral, derivative, temperatureCurrent, temperatureTarget, heaterPWM);
     if (emergencyCutOff) {
       error("[EMERGENCY CUTOFF] temperatureCurrent (=%4.1f) > temperatureTarget + %4.1f (=%4.1f) [EMERGENCY CUTOFF]", temperatureCurrent, temperatureMaxOvershoot, temperatureTarget);
     }