https://devzone.nordicsemi.com/f/nordic-q-a/12137/feasability-of-a-projectHello, We have the following Problem to solve in general: A device should control the exhaust system in a vehicle. This device needs to retreive the engine RPM using a BLE - OBD Adapter (already available on the market). Approximately every 100ms overen-USTelligent Community 13Thu, 25 Feb 2016 21:42:11 GMThttps://devzone.nordicsemi.com/thread/45912?ContentTypeID=1Thu, 25 Feb 2016 21:42:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:548762d3-a41e-4848-930d-aa5954ad2749Nikolaus Wittenstein<p>You could check out the <a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v11.0.0%2Fble_sdk_app_rscs_relay.html&amp;cp=4_0_0_4_1_1_0">BLE Relay Example</a>—it acts as both a central and peripheral. Might be just what you&#39;re looking for.</p><div style="clear:both;"></div>