https://devzone.nordicsemi.com/f/nordic-q-a/3367/bluez-hcitool-on-ubuntuI have built and installed bluez 5.21 on ubuntu 14.04 witout problem (see for example this recipe ). My nrf51822 EK dongle PC10000 is not recognized by hcitool: hcitool dev Devices: the USB part seems ok: [673299.888157] usb 2-1.2: newen-USTelligent Community 13Tue, 05 Aug 2014 14:26:28 GMThttps://devzone.nordicsemi.com/thread/12264?ContentTypeID=1Tue, 05 Aug 2014 14:26:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7628776a-2ea5-4922-8722-f6a2524fc759H&#229;kon Alseth<p>Hi,</p> <p>The PCA10000 loaded with the master emulator firmware is only made as a development platform in combination with the master emulator library or the MasterControlPanel windows application. It&#39;s not a fully qualified and generic USB bluetooth device.</p> <p>If you need a BT 4.0 generic USB dongle to use in linux, the IOGear dongle should be sufficient: <a href="http://www.iogear.com/product/GBU521/">www.iogear.com/.../</a></p> <p>Cheers, Håkon</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/12263?ContentTypeID=1Tue, 05 Aug 2014 08:20:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5c27f939-bbeb-4646-b024-a885cd4daffcAttilio Dona&amp;#39;<p>I&#39;ve a PC10000 v2.2.0 dongle. I&#39;ve not flashed it. It works with Nordic master control panel.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/12262?ContentTypeID=1Tue, 05 Aug 2014 08:12:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f96af5f6-b384-42b7-865a-89760d77f571Ulrich Myhre<p>What have you flashed on the EK dongle?</p><div style="clear:both;"></div>