diff --git a/ESP32-IDF_ESPNOW-Transmitter/main/system_health.c b/ESP32-IDF_ESPNOW-Transmitter/main/system_health.c
index e69de29bb..12c4d1b91 100644
--- a/ESP32-IDF_ESPNOW-Transmitter/main/system_health.c
+++ b/ESP32-IDF_ESPNOW-Transmitter/main/system_health.c
@@ -0,0 +1,28 @@
+#include "driver/temperature_sensor.h"
+#include "esp_log.h"
+#include "esp_err.h"
+
+static temperature_sensor_handle_t temp_sensor;
+const char *TAGt = "ESP-NOW_Transmitter"; 
+
+/*
+    EXP32-C3 Chip built-in temprature sensor
+    Read & display the temperature value
+*/
+static void temp_sensor_task (void *arg) {
+    while (true) {
+        ESP_LOGI(TAGt, "Reading sensor temperature");
+        float tsens_value;
+        ESP_ERROR_CHECK(temperature_sensor_get_celsius(temp_sensor, &tsens_value));
+        ESP_LOGW(TAGt, "Temperature value %.02f ℃", tsens_value);
+        vTaskDelay(5000 / portTICK_PERIOD_MS);
+    }
+}
+static void chip_sensor_init () {
+    temp_sensor = NULL;
+    temperature_sensor_config_t temp_sensor_config = TEMPERATURE_SENSOR_CONFIG_DEFAULT(10, 50);
+    ESP_ERROR_CHECK(temperature_sensor_install(&temp_sensor_config, &temp_sensor));
+
+    ESP_LOGI(TAGt, "Enable temperature sensor");
+    ESP_ERROR_CHECK(temperature_sensor_enable(temp_sensor));
+}
\ No newline at end of file