diff --git a/ESP32-IDF_ESPNOW-Transmitter/main/espnow_transmitter.c b/ESP32-IDF_ESPNOW-Transmitter/main/espnow_transmitter.c
index fa594e050..99c484b51 100644
--- a/ESP32-IDF_ESPNOW-Transmitter/main/espnow_transmitter.c
+++ b/ESP32-IDF_ESPNOW-Transmitter/main/espnow_transmitter.c
@@ -23,6 +23,24 @@
 
 #include "joystick.h"
 
+/*
+    EXP32-C3 Chip built-in temprature sensor
+    Read & display the temperature value
+*/
+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(TAG, "Enable temperature sensor");
+    ESP_ERROR_CHECK(temperature_sensor_enable(temp_sensor));
+}
+static void display_chip_temperature () {
+    ESP_LOGI("ESP32-C3", "Reading sensor temperature");
+    ESP_ERROR_CHECK(temperature_sensor_get_celsius(temp_sensor, &tsens_value));
+    ESP_LOGW("ESP32-C3", "Temperature value %.02f ℃", tsens_value);
+}
+
 void app_main(void)
 {
     // Initialize internal temperature sensor