Purpose MTC4BT acts as a bridge between Rocrail and BLE (Bluetooth Low Energy) devices. The MTC4BT connects to an MQTT broker via WiFi, which in turn connects to Rocrail. BLE devices connect to the MTC4BT via the Bluetooth Low Energy (BLE) protocol, such as: The following images shows the ecosystem … Continue reading MattzoTrainController for Bluetooth (MTC4BT)