diff --git a/.gitignore b/.gitignore
index 259148f..0943452 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,4 @@
 *.exe
 *.out
 *.app
+.esphome
diff --git a/components/neewerlight/neewer_light_output.cpp b/components/neewerlight/neewer_light_output.cpp
index 0cadd8e..e3c3ce1 100644
--- a/components/neewerlight/neewer_light_output.cpp
+++ b/components/neewerlight/neewer_light_output.cpp
@@ -6,22 +6,25 @@ namespace esphome {
 namespace neewerlight {
 
 void NeewerBLEOutput::dump_config() {
+  char service_uuid_str[esp32_ble::UUID_STR_LEN];
+  char char_uuid_str[esp32_ble::UUID_STR_LEN];
   ESP_LOGCONFIG(TAG, "Neewer BLE Output:");
-  ESP_LOGCONFIG(TAG, "  MAC address        : %s", this->parent_->address_str().c_str());
-  ESP_LOGCONFIG(TAG, "  Service UUID       : %s", this->service_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Characteristic UUID: %s", this->char_uuid_.to_string().c_str());
+  ESP_LOGCONFIG(TAG, "  MAC address        : %s", this->parent_->address_str());
+  ESP_LOGCONFIG(TAG, "  Service UUID       : %s", this->service_uuid_.to_str(service_uuid_str));
+  ESP_LOGCONFIG(TAG, "  Characteristic UUID: %s", this->char_uuid_.to_str(char_uuid_str));
   LOG_BINARY_OUTPUT(this);
 };
 
 void NeewerBLEOutput::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
                                              esp_ble_gattc_cb_param_t *param) {
+  char char_uuid_str[esp32_ble::UUID_STR_LEN];
   switch (event) {
     case ESP_GATTC_OPEN_EVT:
       this->client_state_ = espbt::ClientState::ESTABLISHED;
-      ESP_LOGW(TAG, "[%s] Connected successfully!", this->char_uuid_.to_string().c_str());
+      ESP_LOGW(TAG, "[%s] Connected successfully!", this->char_uuid_.to_str(char_uuid_str));
       break;
     case ESP_GATTC_DISCONNECT_EVT:
-      ESP_LOGW(TAG, "[%s] Disconnected", this->char_uuid_.to_string().c_str());
+      ESP_LOGW(TAG, "[%s] Disconnected", this->char_uuid_.to_str(char_uuid_str));
       this->client_state_ = espbt::ClientState::IDLE;
       break;
     case ESP_GATTC_WRITE_CHAR_EVT: {
@@ -31,11 +34,11 @@ void NeewerBLEOutput::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_i
 
       auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->char_uuid_);
       if (chr == nullptr) {
-        ESP_LOGW(TAG, "[%s] Characteristic not found.", this->char_uuid_.to_string().c_str());
+        ESP_LOGW(TAG, "[%s] Characteristic not found.", this->char_uuid_.to_str(char_uuid_str));
         break;
       }
       if (param->write.handle == chr->handle) {
-        ESP_LOGW(TAG, "[%s] Write error, status=%d", this->char_uuid_.to_string().c_str(), param->write.status);
+        ESP_LOGW(TAG, "[%s] Write error, status=%d", this->char_uuid_.to_str(char_uuid_str), param->write.status);
       }
       break;
     }
@@ -45,16 +48,17 @@ void NeewerBLEOutput::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_i
 };
 
 void NeewerBLEOutput::write_state(float state) {
+  char char_uuid_str[esp32_ble::UUID_STR_LEN];
   if (this->client_state_ != espbt::ClientState::ESTABLISHED) {
     ESP_LOGW(TAG, "[%s] Not connected to BLE client.  State update can not be written.",
-             this->char_uuid_.to_string().c_str());
+             this->char_uuid_.to_str(char_uuid_str));
     return;
   }
 
   auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->char_uuid_);
   if (chr == nullptr) {
     ESP_LOGW(TAG, "[%s] Characteristic not found.  State update can not be written.",
-             this->char_uuid_.to_string().c_str());
+             this->char_uuid_.to_str(char_uuid_str));
     return;
   }
 
@@ -111,10 +115,12 @@ NeewerBLEOutput::NeewerBLEOutput() {
 };
 
 void NeewerRGBCTLightOutput::dump_config() {
+  char service_uuid_str[esp32_ble::UUID_STR_LEN];
+  char char_uuid_str[esp32_ble::UUID_STR_LEN];
   ESP_LOGCONFIG(TAG, "Neewer RGBCT Light Output:");
-  ESP_LOGCONFIG(TAG, "  MAC address        : %s", this->parent_->address_str().c_str());
-  ESP_LOGCONFIG(TAG, "  Service UUID       : %s", this->service_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Characteristic UUID: %s", this->char_uuid_.to_string().c_str());
+  ESP_LOGCONFIG(TAG, "  MAC address        : %s", this->parent_->address_str());
+  ESP_LOGCONFIG(TAG, "  Service UUID       : %s", this->service_uuid_.to_str(service_uuid_str));
+  ESP_LOGCONFIG(TAG, "  Characteristic UUID: %s", this->char_uuid_.to_str(char_uuid_str));
   ESP_LOGCONFIG(TAG, "  Require Response   : %s", this->require_response_ ? "True" : "False");
   ESP_LOGCONFIG(TAG, "  Colour Temperatures: %.2f - %.2f", 
                 this->cold_white_temperature_, this->warm_white_temperature_);
diff --git a/test-config.yml b/test-config.yml
new file mode 100644
index 0000000..6891c93
--- /dev/null
+++ b/test-config.yml
@@ -0,0 +1,30 @@
+esphome:
+  name: esp32-1
+  friendly_name: ESP32-1
+
+esp32:
+  board: esp32dev
+  framework:
+    type: esp-idf
+
+# Enable logging
+logger:
+
+# captive_portal:
+
+external_components:
+  - source: components
+    components: [neewerlight_ble, neewerlight]
+
+esp32_ble_tracker:
+
+ble_client:
+  - mac_address: DD:FF:FF:FF:FF:FF
+    id: test
+
+light:
+  - platform: neewerlight
+    name: "Test"
+    ble_client_id: test
+    gamma_correct: 1.0
+    default_transition_length: 0s