https://devzone.nordicsemi.com/f/nordic-q-a/33655/nrf52-ios-sdk14-2-swift---writevalue-works-for-uint8-but-not-uint16Hoping to get some help. Using swift3 and xcode 9.3. I can write data from iPhone back to nrf52 peripheral fine if it is a Dbl. When I try to write a UInt16, it crashes. Here is the code that works for Dbl: Here is my code I tried for UInt16en-USTelligent Community 13Mon, 23 Apr 2018 13:58:22 GMThttps://devzone.nordicsemi.com/thread/129371?ContentTypeID=1Mon, 23 Apr 2018 13:58:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0452848a-a407-40dd-9eac-6f234fcc19a7Bryan H<p>I fixed this by splitting the UInt16 into 2 Uint8:</p> <p><pre class="ui-code" data-mode="java">let UInt8Value0 = reading &gt;&gt; 8 let UInt8Value1 = Uint8(reading &amp; 0x00ff) let bytes = [Uint8] = [ UInt8Value1, UInt8Value0 ] let data = Data(bytes:bytes) self.bluetoothManager.connectedPeripheral?.writeValue(data, for: self.rowCharacteristic!, type: CBCharacteristicWriteType.withResponse)</pre></p><div style="clear:both;"></div>