diff --git a/lib/OneWire/OneWire.cpp b/lib/OneWire/OneWire.cpp
index 5828e804d..cd9dc8448 100644
--- a/lib/OneWire/OneWire.cpp
+++ b/lib/OneWire/OneWire.cpp
@@ -161,7 +161,11 @@ void OneWire::begin(uint8_t pin) {
 //
 // Returns 1 if a device asserted a presence pulse, 0 otherwise.
 //
+#ifdef ARDUINO_ARCH_ESP32
+uint8_t IRAM_ATTR OneWire::reset(void) {
+#else
 uint8_t OneWire::reset(void) {
+#endif
     IO_REG_TYPE mask           IO_REG_MASK_ATTR = bitmask;
     volatile IO_REG_TYPE * reg IO_REG_BASE_ATTR = baseReg;
     uint8_t                    r;
@@ -195,7 +199,11 @@ uint8_t OneWire::reset(void) {
 // Write a bit. Port and bit is used to cut lookup time and provide
 // more certain timing.
 //
+#ifdef ARDUINO_ARCH_ESP32
+void IRAM_ATTR OneWire::write_bit(uint8_t v) {
+#else
 void OneWire::write_bit(uint8_t v) {
+#endif
     IO_REG_TYPE mask           IO_REG_MASK_ATTR = bitmask;
     volatile IO_REG_TYPE * reg IO_REG_BASE_ATTR = baseReg;
 
@@ -222,7 +230,11 @@ void OneWire::write_bit(uint8_t v) {
 // Read a bit. Port and bit is used to cut lookup time and provide
 // more certain timing.
 //
+#ifdef ARDUINO_ARCH_ESP32
+uint8_t IRAM_ATTR OneWire::read_bit(void) {
+#else
 uint8_t OneWire::read_bit(void) {
+#endif
     IO_REG_TYPE mask           IO_REG_MASK_ATTR = bitmask;
     volatile IO_REG_TYPE * reg IO_REG_BASE_ATTR = baseReg;
     uint8_t                    r;
@@ -473,6 +485,7 @@ bool OneWire::search(uint8_t * newAddr, bool search_mode /* = true */) {
         for (int i = 0; i < 8; i++)
             newAddr[i] = ROM_NO[i];
     }
+    // depower(); // https://github.com/PaulStoffregen/OneWire/pull/80
     return search_result;
 }
 
diff --git a/lib/OneWire/OneWire.h b/lib/OneWire/OneWire.h
index 4b1933060..436eecd1f 100644
--- a/lib/OneWire/OneWire.h
+++ b/lib/OneWire/OneWire.h
@@ -78,7 +78,11 @@ class OneWire {
     // Perform a 1-Wire reset cycle. Returns 1 if a device responds
     // with a presence pulse.  Returns 0 if there is no device or the
     // bus is shorted or otherwise held low for more than 250uS
+#ifdef ARDUINO_ARCH_ESP32
+    uint8_t IRAM_ATTR reset(void);
+#else
     uint8_t reset(void);
+#endif
 
     // Issue a 1-Wire rom select command, you do the reset first.
     void select(const uint8_t rom[8]);
@@ -101,11 +105,18 @@ class OneWire {
 
     // Write a bit. The bus is always left powered at the end, see
     // note in write() about that.
-    void write_bit(uint8_t v);
+ #ifdef ARDUINO_ARCH_ESP32
+   void IRAM_ATTR write_bit(uint8_t v);
+ #else
+   void write_bit(uint8_t v);
+#endif
 
     // Read a bit.
+#ifdef ARDUINO_ARCH_ESP32
+    uint8_t IRAM_ATTR read_bit(void);
+#else
     uint8_t read_bit(void);
-
+#endif
     // Stop forcing power onto the bus. You only need to do this if
     // you used the 'power' flag to write() or used a write_bit() call
     // and aren't about to do another read or write. You would rather
diff --git a/src/devices/thermostat.cpp b/src/devices/thermostat.cpp
index ef61c55d5..3468abe06 100644
--- a/src/devices/thermostat.cpp
+++ b/src/devices/thermostat.cpp
@@ -141,8 +141,7 @@ Thermostat::Thermostat(uint8_t device_type, uint8_t device_id, uint8_t product_i
     // if we're on auto mode, register this thermostat if it has a device id of 0x10 or 0x17
     // or if its the master thermostat we defined
     // see https://github.com/proddy/EMS-ESP/issues/362#issuecomment-629628161
-    if (((num_devices == 1) && (actual_master_thermostat == EMSESP_DEFAULT_MASTER_THERMOSTAT) && ((device_id == 0x10) || (device_id == 0x17)))
-        || (master_thermostat == device_id)) {
+    if (((num_devices == 1) && (actual_master_thermostat == EMSESP_DEFAULT_MASTER_THERMOSTAT)) || (master_thermostat == device_id)) {
         EMSESP::actual_master_thermostat(device_id);
         LOG_DEBUG(F("Registering new thermostat with device ID 0x%02X (as master)"), device_id);
         init_mqtt();
@@ -427,8 +426,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
-    // thermostat mode changes
     if (strcmp(command, "mode") == 0) {
         std::string mode = doc["data"];
         if (mode.empty()) {
@@ -437,7 +434,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         set_mode(mode, hc_num);
         return;
     }
-
     if (strcmp(command, "nighttemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -445,7 +441,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
     if (strcmp(command, "daytemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -453,7 +448,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
     if (strcmp(command, "holidaytemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -461,7 +455,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
     if (strcmp(command, "ecotemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -469,7 +462,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
     if (strcmp(command, "heattemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -477,7 +469,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
     if (strcmp(command, "nofrosttemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -485,7 +476,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
     if (strcmp(command, "summertemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -493,7 +483,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
     if (strcmp(command, "designtemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -501,7 +490,6 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
-
     if (strcmp(command, "offsettemp") == 0) {
         float f = doc["data"];
         if (f) {
@@ -509,6 +497,40 @@ void Thermostat::thermostat_cmd(const char * message) {
         }
         return;
     }
+    if (strcmp(command, "remotetemp") == 0) {
+        float f = doc["data"];
+        if (f > 100 || f < 0) {
+            Roomctrl::set_remotetemp(hc_num - 1, EMS_VALUE_SHORT_NOTSET);
+        } else {
+            Roomctrl::set_remotetemp(hc_num - 1, (int16_t)(f * 10));
+        }
+        return;
+    }
+    if (strcmp(command, "control") == 0) {
+        uint8_t ctrl = doc["data"];
+        set_control(ctrl, hc_num);
+        return;
+    }
+    if (strcmp(command, "pause") == 0) {
+        uint8_t p = doc["data"];
+        set_pause(p, hc_num);
+        return;
+    }
+    if (strcmp(command, "party") == 0) {
+        uint8_t p = doc["data"];
+        set_party(p, hc_num);
+        return;
+    }
+    if (strcmp(command, "holiday") == 0) {
+        std::string holiday = doc["data"];
+        set_holiday(holiday.c_str(), hc_num);
+        return;
+    }
+    if (strcmp(command, "date") == 0) {
+        std::string date = doc["data"];
+        set_datetime(date.c_str());
+        return;
+    }
 }
 
 void Thermostat::thermostat_cmd_temp(const char * message) {
diff --git a/src/sensors.cpp b/src/sensors.cpp
index 76bf98c39..26a0a1223 100644
--- a/src/sensors.cpp
+++ b/src/sensors.cpp
@@ -72,7 +72,6 @@ void Sensors::loop() {
                 YIELD;
                 bus_.skip();
                 bus_.write(CMD_CONVERT_TEMP);
-
                 state_ = State::READING;
             } else {
                 // no sensors found
@@ -86,20 +85,15 @@ void Sensors::loop() {
             // LOG_DEBUG(F("Scanning for sensors")); // uncomment for debug
             bus_.reset_search();
             found_.clear();
-
-            state_         = State::SCANNING;
-            last_activity_ = time_now;
+            state_ = State::SCANNING;
         } else if (time_now - last_activity_ > READ_TIMEOUT_MS) {
             LOG_ERROR(F("Sensor read timeout"));
-
-            state_         = State::IDLE;
-            last_activity_ = time_now;
+            state_ = State::IDLE;
         }
     } else if (state_ == State::SCANNING) {
         if (time_now - last_activity_ > SCAN_TIMEOUT_MS) {
             LOG_ERROR(F("Sensor scan timeout"));
-            state_         = State::IDLE;
-            last_activity_ = time_now;
+            state_ = State::IDLE;
         } else {
             uint8_t addr[ADDR_LEN] = {0};
 
@@ -133,11 +127,15 @@ void Sensors::loop() {
                 }
             } else {
                 bus_.depower();
-                devices_ = std::move(found_);
+                if ((found_.size() >= devices_.size()) || (retrycnt_ > 5)) {
+                    devices_  = std::move(found_);
+                    retrycnt_ = 0;
+                } else {
+                    retrycnt_++;
+                }
                 found_.clear();
                 // LOG_DEBUG(F("Found %zu sensor(s). Adding them."), devices_.size()); // uncomment for debug
-                state_         = State::IDLE;
-                last_activity_ = time_now;
+                state_ = State::IDLE;
             }
         }
     }
diff --git a/src/sensors.h b/src/sensors.h
index 07a1d0793..7ec37d6d3 100644
--- a/src/sensors.h
+++ b/src/sensors.h
@@ -90,7 +90,7 @@ class Sensors {
     static constexpr uint32_t READ_INTERVAL_MS = 5000;  // 5 seconds
     static constexpr uint32_t CONVERSION_MS    = 1000;  // 1 seconds
     static constexpr uint32_t READ_TIMEOUT_MS  = 2000;  // 2 seconds
-    static constexpr uint32_t SCAN_TIMEOUT_MS  = 30000; // 30 seconds
+    static constexpr uint32_t SCAN_TIMEOUT_MS  = 3000;  // 3 seconds
 
     static constexpr uint8_t CMD_CONVERT_TEMP    = 0x44;
     static constexpr uint8_t CMD_READ_SCRATCHPAD = 0xBE;
@@ -111,6 +111,8 @@ class Sensors {
     std::vector<Device> devices_;
 
     uint8_t mqtt_format_;
+    uint8_t retrycnt_ = 0;
+
 };
 
 } // namespace emsesp