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Thanks Gordon, that's interesting. I will check it out and report back. Regarding losing connection I suspect that happens when Espruino crashes and gets stuck in a mode that makes it impossible to connect. I noticed that when that happens it then advertises itself as "N08R7" at the add bluetooth devices instead of its Puck id. Removing the battery solves the advertising issue but then it continues to refuse to connect.

Ordered. Looks great! Thanks for all your amazing contributions to the field Gordon.

Also, this is the error I get from console when connection breaks for a sensor:
Set Slow Write = true
ERROR: Unable to open device (connectionInfo=undefined)
ERROR: [notify_error] Connection Failed.

Connection Failed.
ERROR: [notify_error] Connection Failed.
Connection Failed.

Thanks Gordon, I am trying to replicate the problem and define any patterns. It may also be related to pairing with windows then Android and back to windows. Interesting you mention the NRF services. It seems that we are having some issues there as well that may be linked somehow. On previous firmware (1.92) we are able to call service 0x0003 for RX UART communication via BLE in order to send data out but on (1.93) that throws an error. "Uncaught Error: Unable to find service with UUID 0x0003"

Its been fun playing with puck but I ve noticed some weird behavior on Windows 10. The puck initially connects fine with the WEB IDE standalone but after a while it refuses to re-connect giving an error, "connection failure". Unpairing and pairing the puck again seems to always fix the problem and that is the only fix I ve found so far but is there a reason why this is happening or a way to prevent it? Anyone having these issues? Any advice?
Many thanks!

Oh, thank you very much, Gordon, for clarifying and shorting this mystery out. I was under the impression that the WEB IDE needed to run inside chrome as a tab or something. To run the Espruino I was just typing in my windows search and clicking the first that came out...silly me. All works great now! Many thanks!

FYI I have also updated the firmware to the latest version using the Android app nRF Connect

Hello Gordon, many thanks for the prompt response. Yes, I can confirm that I am running the standalone application from the same link you posted. I have also noticed now that the Chrome app only works at Chrome books and Android. I also confirmed that I have first paired my device with Windows 10 bluetooth prior trying connecting to it with the standalone app. Here is what 'Console' log reports:

The last 100 lines of log messages made by the Web IDE. This is only useful when trying to debug potential problems with the IDE or Espruino board itself.

We have chrome.serial - not using 'serialport' module
serial_audio: Audio Sample rate : 48000
serial_audio: Audio Serial Baud 9600 Bit time 5
No navigator.bluetooth - Web Bluetooth not enabled
GET chrome.storage.sync = undefined
Initialising SettingsConsole
Initialising Utils
Initialising Config
Initialising Notifications
Initialising Status
Initialising App
Initialising File
Initialising Code
Initialising Serial
  - Initialising Serial Chrome Serial
  - Initialising Serial Chrome Socket
  - Initialising Serial Audio
Initialising Terminal
Initialising CodeWriter
Initialising Modules
Initialising Env
Initialising Flasher
Initialising EditorBlockly
Initialising EditorJavaScript
Initialising Send
Initialising MenuPortSelector
Initialising MenuSettings
Initialising MenuFlasher
Initialising SettingsAbout
Initialising SettingsFlasher
Initialising BoardJSON
Initialising VersionChecker
Initialising Compiler
Initialising Assembler
Initialising GetGitHub
Initialising NPMModules
Initialising SetTime
Initialising Unicode
Initialising Minify
Initialising SaveOnSend
Initialising Tutorial
Initialising Webcam
Initialising FontSize
Initialising UiMode
Initialising URLHandler
Initialising CodeLink
Initialising Project
Initialising Testing
Initialising Notification_Sound
Initialising Tern
Initialising Debugger
Initialising Tour
Initialising SettingsProfile
Initialising HelpLinks
Initialising Offline
No code in storage.
GET chrome.storage.local.OFFLINE_DATA = 0 bytes

Please let me know if you need any more information. Looking fw resolving this issue. Kind regards!

To clarify, when starting the Espruino app and tap on connection icon no serial port appears with the message no ports found.

I am very excited starting using my puck.js on my projects but cannot make it connect to any of my three computers; two running windows 10 and one 7, either through the chrome extension or the standalone Espruino app.
I thought it was my bluetooth dongle so i got one that is v4 LE and paired my device. I can see the puck on my devices (device manager-bluetooth) but noticed that there are no available services. Could that be it? Any help will be much appreciated!
Thanks
v