diff --git a/examples/simple_repeater/MyMesh.cpp b/examples/simple_repeater/MyMesh.cpp
index 5fb1a729f..555cd6e11 100644
--- a/examples/simple_repeater/MyMesh.cpp
+++ b/examples/simple_repeater/MyMesh.cpp
@@ -173,6 +173,12 @@ int MyMesh::handleRequest(ClientInfo *sender, uint32_t sender_timestamp, uint8_t
 
     telemetry.reset();
     telemetry.addVoltage(TELEM_CHANNEL_SELF, (float)board.getBattMilliVolts() / 1000.0f);
+
+    float temperature = (float)board.getMCUTemperature();
+    if(!isnan(temperature)) { // Supported boards with built-in temperature sensor. ESP32-C3 may return NAN
+      telemetry.addTemperature(TELEM_CHANNEL_SELF, (float)board.getMCUTemperature()); // Built-in MCU Temperature
+    }
+    
     // query other sensors -- target specific
     if ((sender->permissions & PERM_ACL_ROLE_MASK) == PERM_ACL_GUEST) {
       perm_mask = 0x00;  // just base telemetry allowed
diff --git a/src/MeshCore.h b/src/MeshCore.h
index 11a6a5b41..4d2718711 100644
--- a/src/MeshCore.h
+++ b/src/MeshCore.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stdint.h>
+#include <math.h>
 
 #define MAX_HASH_SIZE        8
 #define PUB_KEY_SIZE        32
@@ -42,6 +43,7 @@ namespace mesh {
 class MainBoard {
 public:
   virtual uint16_t getBattMilliVolts() = 0;
+  virtual float getMCUTemperature() { return NAN; }
   virtual bool setAdcMultiplier(float multiplier) { return false; };
   virtual float getAdcMultiplier() const { return 0.0f; }
   virtual const char* getManufacturerName() const = 0;
@@ -88,4 +90,4 @@ class RTCClock {
   }
 };
 
-}
\ No newline at end of file
+}
diff --git a/src/helpers/ESP32Board.h b/src/helpers/ESP32Board.h
index e566f9293..1608b86f7 100644
--- a/src/helpers/ESP32Board.h
+++ b/src/helpers/ESP32Board.h
@@ -42,6 +42,10 @@ class ESP32Board : public mesh::MainBoard {
   #endif
   }
 
+  float getMCUTemperature() override {
+    return temperatureRead(); // // The default is from the built-in temperature sensor of MCU
+  }
+
   uint8_t getStartupReason() const override { return startup_reason; }
 
 #if defined(P_LORA_TX_LED)
diff --git a/src/helpers/NRF52Board.cpp b/src/helpers/NRF52Board.cpp
new file mode 100644
index 000000000..8d2eeac30
--- /dev/null
+++ b/src/helpers/NRF52Board.cpp
@@ -0,0 +1,25 @@
+#if defined(NRF52_PLATFORM)
+#include "NRF52Board.h"
+
+// Temperature from NRF52 MCU
+float NRF52Board::getMCUTemperature() {
+  NRF_TEMP->TASKS_START = 1; // Start temperature measurement
+
+  long startTime = millis();  
+  while (NRF_TEMP->EVENTS_DATARDY == 0) { // Wait for completion. Should complete in 50us
+    if(millis() - startTime > 1) {  // To wait 1ms
+      NRF_TEMP->TASKS_STOP = 1;
+      return NAN;
+    }
+  }
+  
+  NRF_TEMP->EVENTS_DATARDY = 0; // Clear event flag
+
+  int32_t temp = NRF_TEMP->TEMP; // In 0.25 *C units
+  NRF_TEMP->TASKS_STOP = 1;
+
+  return temp * 0.25f; // Convert to *C
+}
+
+#endif
+
diff --git a/src/helpers/NRF52Board.h b/src/helpers/NRF52Board.h
new file mode 100644
index 000000000..053e20227
--- /dev/null
+++ b/src/helpers/NRF52Board.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include <MeshCore.h>
+#include <Arduino.h>
+
+#if defined(NRF52_PLATFORM)
+
+class NRF52Board : public mesh::MainBoard {
+public:
+  float getMCUTemperature() override;
+};
+
+#endif
\ No newline at end of file
diff --git a/variants/heltec_mesh_solar/MeshSolarBoard.h b/variants/heltec_mesh_solar/MeshSolarBoard.h
index 3bec144f7..688a8e886 100644
--- a/variants/heltec_mesh_solar/MeshSolarBoard.h
+++ b/variants/heltec_mesh_solar/MeshSolarBoard.h
@@ -2,6 +2,7 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 #ifdef HELTEC_MESH_SOLAR
 #include "meshSolarApp.h"
@@ -20,7 +21,7 @@
 #define SX126X_DIO3_TCXO_VOLTAGE   1.8
 
 
-class MeshSolarBoard : public mesh::MainBoard {
+class MeshSolarBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/heltec_t114/T114Board.h b/variants/heltec_t114/T114Board.h
index 0f7fc47fa..bd9287e28 100644
--- a/variants/heltec_t114/T114Board.h
+++ b/variants/heltec_t114/T114Board.h
@@ -2,13 +2,14 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 // built-ins
 #define  PIN_VBAT_READ    4
 #define  PIN_BAT_CTL      6
 #define  MV_LSB   (3000.0F / 4096.0F) // 12-bit ADC with 3.0V input range
 
-class T114Board : public mesh::MainBoard {
+class T114Board : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/ikoka_nano_nrf/IkokaNanoNRFBoard.h b/variants/ikoka_nano_nrf/IkokaNanoNRFBoard.h
index 8484085b0..ac3069776 100644
--- a/variants/ikoka_nano_nrf/IkokaNanoNRFBoard.h
+++ b/variants/ikoka_nano_nrf/IkokaNanoNRFBoard.h
@@ -2,10 +2,11 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 #ifdef XIAO_NRF52
 
-class IkokaNanoNRFBoard : public mesh::MainBoard {
+class IkokaNanoNRFBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/ikoka_stick_nrf/IkokaStickNRFBoard.h b/variants/ikoka_stick_nrf/IkokaStickNRFBoard.h
index 4a061d42f..8f817ff13 100644
--- a/variants/ikoka_stick_nrf/IkokaStickNRFBoard.h
+++ b/variants/ikoka_stick_nrf/IkokaStickNRFBoard.h
@@ -2,10 +2,11 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 #ifdef XIAO_NRF52
 
-class IkokaStickNRFBoard : public mesh::MainBoard {
+class IkokaStickNRFBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/lilygo_techo/TechoBoard.h b/variants/lilygo_techo/TechoBoard.h
index 4792153a9..79b5610c7 100644
--- a/variants/lilygo_techo/TechoBoard.h
+++ b/variants/lilygo_techo/TechoBoard.h
@@ -2,6 +2,7 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 // built-ins
 #define VBAT_MV_PER_LSB   (0.73242188F)   // 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096
@@ -12,7 +13,7 @@
 #define PIN_VBAT_READ     (4)
 #define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
 
-class TechoBoard : public mesh::MainBoard {
+class TechoBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/lilygo_techo_lite/TechoBoard.h b/variants/lilygo_techo_lite/TechoBoard.h
index 4792153a9..79b5610c7 100644
--- a/variants/lilygo_techo_lite/TechoBoard.h
+++ b/variants/lilygo_techo_lite/TechoBoard.h
@@ -2,6 +2,7 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 // built-ins
 #define VBAT_MV_PER_LSB   (0.73242188F)   // 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096
@@ -12,7 +13,7 @@
 #define PIN_VBAT_READ     (4)
 #define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
 
-class TechoBoard : public mesh::MainBoard {
+class TechoBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/mesh_pocket/MeshPocket.h b/variants/mesh_pocket/MeshPocket.h
index 8f5b09c9f..876e3810a 100644
--- a/variants/mesh_pocket/MeshPocket.h
+++ b/variants/mesh_pocket/MeshPocket.h
@@ -2,13 +2,14 @@
 
 #include <Arduino.h>
 #include <MeshCore.h>
+#include <helpers/NRF52Board.h>
 
 // built-ins
 #define  PIN_VBAT_READ    29
 #define  PIN_BAT_CTL      34
 #define  MV_LSB   (3000.0F / 4096.0F) // 12-bit ADC with 3.0V input range
 
-class HeltecMeshPocket : public mesh::MainBoard {
+class HeltecMeshPocket : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/minewsemi_me25ls01/MinewsemiME25LS01Board.h b/variants/minewsemi_me25ls01/MinewsemiME25LS01Board.h
index 777606a6d..a57c5dbba 100644
--- a/variants/minewsemi_me25ls01/MinewsemiME25LS01Board.h
+++ b/variants/minewsemi_me25ls01/MinewsemiME25LS01Board.h
@@ -2,6 +2,7 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 // LoRa and SPI pins
 
@@ -20,7 +21,7 @@
 #define  ADC_MULTIPLIER   (1.815f) // dependent on voltage divider resistors. TODO: more accurate battery tracking
 
 
-class MinewsemiME25LS01Board : public mesh::MainBoard {
+class MinewsemiME25LS01Board : public NRF52Board {
 protected:
   uint8_t startup_reason;
   uint8_t btn_prev_state;
@@ -85,4 +86,4 @@ class MinewsemiME25LS01Board : public mesh::MainBoard {
   }
 
   bool startOTAUpdate(const char* id, char reply[]) override;
-};
\ No newline at end of file
+};
diff --git a/variants/nano_g2_ultra/nano-g2.h b/variants/nano_g2_ultra/nano-g2.h
index 5cedb0f99..7ed1c74b0 100644
--- a/variants/nano_g2_ultra/nano-g2.h
+++ b/variants/nano_g2_ultra/nano-g2.h
@@ -4,6 +4,7 @@
 
 #include <Arduino.h>
 #include <MeshCore.h>
+#include <helpers/NRF52Board.h>
 
 // LoRa radio module pins
 #define P_LORA_DIO_1             (32 + 10)
@@ -34,7 +35,7 @@
 #define PIN_VBAT_READ            (0 + 2)
 #define REAL_VBAT_MV_PER_LSB     (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
 
-class NanoG2Ultra : public mesh::MainBoard {
+class NanoG2Ultra : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/promicro/PromicroBoard.h b/variants/promicro/PromicroBoard.h
index dc20e5500..916afefd5 100644
--- a/variants/promicro/PromicroBoard.h
+++ b/variants/promicro/PromicroBoard.h
@@ -2,6 +2,7 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 #define P_LORA_NSS 13 //P1.13 45
 #define P_LORA_DIO_1 11 //P0.10 10
@@ -19,7 +20,7 @@
 #define  PIN_VBAT_READ 17
 #define  ADC_MULTIPLIER   (1.815f) // dependent on voltage divider resistors. TODO: more accurate battery tracking
 
-class PromicroBoard : public mesh::MainBoard {
+class PromicroBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
   uint8_t btn_prev_state;
diff --git a/variants/rak4631/RAK4631Board.h b/variants/rak4631/RAK4631Board.h
index 7f3a8fea9..2040bf41d 100644
--- a/variants/rak4631/RAK4631Board.h
+++ b/variants/rak4631/RAK4631Board.h
@@ -2,6 +2,7 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 // LoRa radio module pins for RAK4631
 #define  P_LORA_DIO_1   47
@@ -28,7 +29,7 @@
 #define  PIN_VBAT_READ    5
 #define  ADC_MULTIPLIER   (3 * 1.73 * 1.187 * 1000)
 
-class RAK4631Board : public mesh::MainBoard {
+class RAK4631Board : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/rak_wismesh_tag/RAKWismeshTagBoard.h b/variants/rak_wismesh_tag/RAKWismeshTagBoard.h
index e5104a58d..fe554fe64 100644
--- a/variants/rak_wismesh_tag/RAKWismeshTagBoard.h
+++ b/variants/rak_wismesh_tag/RAKWismeshTagBoard.h
@@ -2,12 +2,13 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 // built-ins
 #define  PIN_VBAT_READ    5
 #define  ADC_MULTIPLIER   (3 * 1.73 * 1.187 * 1000)
 
-class RAKWismeshTagBoard : public mesh::MainBoard {
+class RAKWismeshTagBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/sensecap_solar/SenseCapSolarBoard.h b/variants/sensecap_solar/SenseCapSolarBoard.h
index b1e5f8f17..999c7783a 100644
--- a/variants/sensecap_solar/SenseCapSolarBoard.h
+++ b/variants/sensecap_solar/SenseCapSolarBoard.h
@@ -2,8 +2,9 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
-class SenseCapSolarBoard : public mesh::MainBoard {
+class SenseCapSolarBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/t1000-e/T1000eBoard.h b/variants/t1000-e/T1000eBoard.h
index 359e5e9a1..a5c9f4b07 100644
--- a/variants/t1000-e/T1000eBoard.h
+++ b/variants/t1000-e/T1000eBoard.h
@@ -2,8 +2,9 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
-class T1000eBoard : public mesh::MainBoard {
+class T1000eBoard : public NRF52Board {
 protected:
   uint8_t startup_reason;
   uint8_t btn_prev_state;
@@ -97,4 +98,4 @@ class T1000eBoard : public mesh::MainBoard {
   }
 
 //  bool startOTAUpdate(const char* id, char reply[]) override;
-};
\ No newline at end of file
+};
diff --git a/variants/thinknode_m1/ThinkNodeM1Board.h b/variants/thinknode_m1/ThinkNodeM1Board.h
index cffa0aaaf..5920b809a 100644
--- a/variants/thinknode_m1/ThinkNodeM1Board.h
+++ b/variants/thinknode_m1/ThinkNodeM1Board.h
@@ -2,6 +2,7 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 // built-ins
 #define VBAT_MV_PER_LSB   (0.73242188F)   // 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096
@@ -12,7 +13,7 @@
 #define PIN_VBAT_READ     (4)
 #define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
 
-class ThinkNodeM1Board : public mesh::MainBoard {
+class ThinkNodeM1Board : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
diff --git a/variants/wio-tracker-l1/WioTrackerL1Board.h b/variants/wio-tracker-l1/WioTrackerL1Board.h
index f04b673f8..6797f6292 100644
--- a/variants/wio-tracker-l1/WioTrackerL1Board.h
+++ b/variants/wio-tracker-l1/WioTrackerL1Board.h
@@ -2,8 +2,9 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
-class WioTrackerL1Board : public mesh::MainBoard {
+class WioTrackerL1Board : public NRF52Board {
 protected:
   uint8_t startup_reason;
   uint8_t btn_prev_state;
diff --git a/variants/xiao_nrf52/XiaoNrf52Board.h b/variants/xiao_nrf52/XiaoNrf52Board.h
index f37660123..7e5611ac1 100644
--- a/variants/xiao_nrf52/XiaoNrf52Board.h
+++ b/variants/xiao_nrf52/XiaoNrf52Board.h
@@ -2,10 +2,11 @@
 
 #include <MeshCore.h>
 #include <Arduino.h>
+#include <helpers/NRF52Board.h>
 
 #ifdef XIAO_NRF52
 
-class XiaoNrf52Board : public mesh::MainBoard {
+class XiaoNrf52Board : public NRF52Board {
 protected:
   uint8_t startup_reason;
 
@@ -67,4 +68,4 @@ class XiaoNrf52Board : public mesh::MainBoard {
   bool startOTAUpdate(const char* id, char reply[]) override;
 };
 
-#endif
\ No newline at end of file
+#endif