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Thanks Gordon. I bought a Foktech 6438150 Bluetooth 4.0 USB Dongle Adapter, Broadcom BCM20702 Chipset from Amazon (before reading your post) which arrived recently and tried it out.
(https://www.amazon.com/gp/product/B01FNZJ7M8/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1)
It does not seem to work. It does not even pick up the puck (the previous one detected it but could not connect to it). I will order one of the ones you have tested and listed on the site. Hopefully I will be third time lucky! -
I had not updated it before. But I did update it today (lv95). And have the same problem. Yes it worked very well before I updated my Mac. I will correct the title now. Thanks a lot for your response - much appreciated
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(I've looked through existing threads but didn't find anything relevant to my case so posting a new thread)
I have an older mac (iMac 27-inch, Mid 2011) that does not support BLE (Apple logo ->System Report->Hardware->Bluetooth->Bluetooth Low Energy Supported:No) so I followed the instructions here:
https://www.espruino.com/Puck.js+Quick+Start#with_web_bluetooth , namely:1) Unpair Bluetooth devices using internal Bluetooth
2) sudo nvram bluetoothHostControllerSwitchBehavior=always
3) RestartThe steps worked as I then saw (Apple logo ->System Report->Hardware->Bluetooth->Bluetooth Low Energy Supported:Yes). The MAC address of the external bluetooth USB is also showing correctly (option+bluetooth icon).
However, when I go to the Espruino Web IDE although the puck is detected right away, after choosing it and clicking connect, the connection takes a very long time and almost never happens.
I also have a MacBook Air (13" early 2015) with BLE enabled (no dongle needed) for which the connection to the puck is instant and I have no issues.
Both my machines are running OS X High Sierra
Thanks Gordon. I will try going through the instructions again with the existing adapter and see if that works. And report back.