diff --git a/ESP-IDF_Robot/main/rc.h b/ESP-IDF_Robot/main/rc.h
index 44edbf6b8..8f5d4baeb 100644
--- a/ESP-IDF_Robot/main/rc.h
+++ b/ESP-IDF_Robot/main/rc.h
@@ -56,6 +56,8 @@ static esp_err_t rc_adc_init (void) {
     return ESP_OK;
 }
 
+static void set_motor_pcm(int *motors_rpm,  duty) {}
+
 static void rc_get_raw_data() {
     ESP_ERROR_CHECK(adc_oneshot_read(adc1_handle, ADC1_CHAN0, &adc_raw[0][0]));
     ESP_ERROR_CHECK(adc_oneshot_read(adc1_handle, ADC1_CHAN1, &adc_raw[0][1]));