SFR-1 Controller
With the app "SFR-1 Controller", the sound speedcontroller SFR-1, SFR-1-D and SFR-1-HL can be controlled via Bluetooth. This requires the Bluetooth module BTC-1, which can be ordered in our online shop: https://www.beier-electronic.de/modellbau/produkte/btc-1/btc-1.php With the app, the model can