diff --git a/firmware/esp32/overland-controller/overland-controller.ino b/firmware/esp32/overland-controller/overland-controller.ino
index 525c517..91d1c96 100644
--- a/firmware/esp32/overland-controller/overland-controller.ino
+++ b/firmware/esp32/overland-controller/overland-controller.ino
@@ -189,8 +189,100 @@ void sendRelayResponse(Stream& output, const String& relayId, bool enabled) {
     output.println();
 }
 
+
+void sendConfigResponse(Stream& output, bool ok = true) {
+    DynamicJsonDocument doc(4096);
+
+    doc["type"] = "config_response";
+    doc["ok"] = ok;
+
+    JsonObject config = doc.createNestedObject("config");
+    config["device_name"] = appConfig.deviceName;
+
+    JsonArray relaysArray = config.createNestedArray("relays");
+    for (int i = 0; i < MAX_RELAYS; i++) {
+        JsonObject relay = relaysArray.createNestedObject();
+        relay["id"] = appConfig.relays[i].id;
+        relay["name"] = appConfig.relays[i].name;
+        relay["pin"] = appConfig.relays[i].pin;
+        relay["enabled"] = appConfig.relays[i].enabled;
+    }
+
+    JsonObject bms = config.createNestedObject("bms");
+    bms["enabled"] = appConfig.bms.enabled;
+    bms["name"] = appConfig.bms.name;
+    bms["address"] = appConfig.bms.address;
+    bms["address_type"] = appConfig.bms.addressType;
+
+    JsonArray temps = config.createNestedArray("temperature_sensors");
+    for (int i = 0; i < MAX_TEMP_SENSORS; i++) {
+        JsonObject temp = temps.createNestedObject();
+        temp["id"] = appConfig.tempSensors[i].id;
+        temp["name"] = appConfig.tempSensors[i].name;
+        temp["address"] = appConfig.tempSensors[i].address;
+        temp["enabled"] = appConfig.tempSensors[i].enabled;
+    }
+
+    serializeJson(doc, output);
+    output.println();
+}
+
+void sendSimpleOk(Stream& output, const char* type) {
+    DynamicJsonDocument doc(256);
+    doc["type"] = type;
+    doc["ok"] = true;
+    serializeJson(doc, output);
+    output.println();
+}
+
+void sendBleScanResponse(Stream& output) {
+    DynamicJsonDocument doc(2048);
+
+    doc["type"] = "ble_scan_response";
+
+    JsonArray devices = doc.createNestedArray("devices");
+
+    int count = getBleScanResultCount();
+    for (int i = 0; i < count; i++) {
+        const BleScanResult* result = getBleScanResult(i);
+
+        if (!result) {
+            continue;
+        }
+
+        JsonObject device = devices.createNestedObject();
+        device["index"] = i + 1;
+        device["name"] = result->name;
+        device["address"] = result->address;
+        device["rssi"] = result->rssi;
+    }
+
+    serializeJson(doc, output);
+    output.println();
+}
+
+int findRelayConfigIndexForUart(const String& id) {
+    for (int i = 0; i < MAX_RELAYS; i++) {
+        if (appConfig.relays[i].id == id) {
+            return i;
+        }
+    }
+
+    return -1;
+}
+
+int findTempConfigIndexForUart(const String& id) {
+    for (int i = 0; i < MAX_TEMP_SENSORS; i++) {
+        if (appConfig.tempSensors[i].id == id) {
+            return i;
+        }
+    }
+
+    return -1;
+}
+
 void handleUartMessage(const String& line) {
-    DynamicJsonDocument doc(512);
+    DynamicJsonDocument doc(1024);
     DeserializationError error = deserializeJson(doc, line);
 
     if (error) {
@@ -200,12 +292,17 @@ void handleUartMessage(const String& line) {
 
     const char* type = doc["type"] | "";
 
-    if (strcmp(type, MSG_STATUS_REQUEST) == 0) {
+    if (strcmp(type, MSG_STATUS_REQUEST) == 0 || strcmp(type, "status_request") == 0) {
         sendStatus(DashboardSerial);
         return;
     }
 
-    if (strcmp(type, MSG_SET_RELAY) == 0) {
+    if (strcmp(type, "config_request") == 0) {
+        sendConfigResponse(DashboardSerial);
+        return;
+    }
+
+    if (strcmp(type, MSG_SET_RELAY) == 0 || strcmp(type, "set_relay") == 0) {
         String relayId = doc["relay"] | "";
         bool enabled = doc["enabled"] | false;
 
@@ -218,6 +315,153 @@ void handleUartMessage(const String& line) {
         return;
     }
 
+    if (strcmp(type, "config_device") == 0) {
+        if (!doc["device_name"].is<String>()) {
+            sendError(DashboardSerial, "missing_device_name");
+            return;
+        }
+
+        appConfig.deviceName = doc["device_name"].as<String>();
+        sendConfigResponse(DashboardSerial);
+        return;
+    }
+
+    if (strcmp(type, "config_relay") == 0) {
+        String id = doc["id"] | "";
+        int index = findRelayConfigIndexForUart(id);
+
+        if (index < 0) {
+            sendError(DashboardSerial, "unknown_relay");
+            return;
+        }
+
+        if (doc["name"].is<String>()) {
+            appConfig.relays[index].name = doc["name"].as<String>();
+        }
+
+        if (doc["enabled"].is<bool>()) {
+            appConfig.relays[index].enabled = doc["enabled"].as<bool>();
+        }
+
+        sendConfigResponse(DashboardSerial);
+        return;
+    }
+
+    if (strcmp(type, "config_temp") == 0) {
+        String id = doc["id"] | "";
+        int index = findTempConfigIndexForUart(id);
+
+        if (index < 0) {
+            sendError(DashboardSerial, "unknown_temp_sensor");
+            return;
+        }
+
+        if (doc["name"].is<String>()) {
+            appConfig.tempSensors[index].name = doc["name"].as<String>();
+        }
+
+        if (doc["address"].is<String>()) {
+            appConfig.tempSensors[index].address = doc["address"].as<String>();
+        }
+
+        if (doc["enabled"].is<bool>()) {
+            appConfig.tempSensors[index].enabled = doc["enabled"].as<bool>();
+        }
+
+        sendConfigResponse(DashboardSerial);
+        return;
+    }
+
+    if (strcmp(type, "config_bms") == 0) {
+        if (doc["enabled"].is<bool>()) {
+            appConfig.bms.enabled = doc["enabled"].as<bool>();
+        }
+
+        if (doc["name"].is<String>()) {
+            appConfig.bms.name = doc["name"].as<String>();
+        }
+
+        if (doc["address"].is<String>()) {
+            appConfig.bms.address = doc["address"].as<String>();
+        }
+
+        if (doc["address_type"].is<String>()) {
+            appConfig.bms.addressType = doc["address_type"].as<String>();
+        }
+
+        sendConfigResponse(DashboardSerial);
+        return;
+    }
+
+    if (strcmp(type, "save_config") == 0) {
+        saveConfig();
+        sendConfigResponse(DashboardSerial);
+        return;
+    }
+
+    if (strcmp(type, "factory_reset") == 0) {
+        factoryResetConfig();
+        sendConfigResponse(DashboardSerial);
+        return;
+    }
+
+    if (strcmp(type, "enter_bms_setup") == 0) {
+        enterBmsSetupMode();
+        sendSimpleOk(DashboardSerial, "bms_setup_response");
+        return;
+    }
+
+    if (strcmp(type, "exit_bms_setup") == 0) {
+        exitBmsSetupMode();
+        sendSimpleOk(DashboardSerial, "bms_setup_response");
+        return;
+    }
+
+    if (strcmp(type, "scan_ble") == 0) {
+        scanBleDevices(20);
+        sendBleScanResponse(DashboardSerial);
+        return;
+    }
+
+    if (strcmp(type, "select_bms") == 0) {
+        int selected = doc["index"] | 0;
+
+        if (selected < 1 || selected > getBleScanResultCount()) {
+            sendError(DashboardSerial, "invalid_bms_selection");
+            return;
+        }
+
+        const BleScanResult* result = getBleScanResult(selected - 1);
+
+        if (!result) {
+            sendError(DashboardSerial, "invalid_bms_selection");
+            return;
+        }
+
+        appConfig.bms.enabled = true;
+        appConfig.bms.address = result->address;
+        appConfig.bms.addressType = "public";
+
+        if (result->name.length() > 0) {
+            appConfig.bms.name = result->name;
+        } else {
+            appConfig.bms.name = "BMS";
+        }
+
+        saveConfig();
+        exitBmsSetupMode();
+
+        DynamicJsonDocument response(512);
+        response["type"] = "bms_setup_response";
+        response["ok"] = true;
+        response["name"] = appConfig.bms.name;
+        response["address"] = appConfig.bms.address;
+
+        serializeJson(response, DashboardSerial);
+        DashboardSerial.println();
+        return;
+    }
+
     sendError(DashboardSerial, "unknown_message_type");
 }