Tutorial : How to use Senstroke sensors with Hydrogen on Linux

In this Senstroke tutorial, we will show you how to use Senstroke sensors on Linux with Hydrogen on your computer.

Recap : the Senstroke technology

The sensors connect via Bluetooth to a smartphone, tablet or computer.
Once the drum kit is defined by the user, the sensors allow you to play the drum anywhere and on any surface.
You can emulate drum sounds from any application or DAW (Digital audio workstation) software that accepts MIDI via Bluetooth such as Cubase, Logic Pro, etc.

In this tutorial, we will show you how to connect your Senstroke sensors to Hydrogen on Linux.

We would like to thanks senstefo from our Redison forum. He entirely wrote this tutorial, it is always great to see original content from our most dedicated users !

User experience: intermediate.
Packages required (and their dependencies) : hydrogen qjackctl chromium (optional)

Pre-requisites

Connecting and pairing the Senstroke sensors on Linux

Turn on your bluethooth device.

Turn on your Senstroke sensors.

Connect all of them and select “Trust device”. You should see now the green light on.

screen_tuto_connexion_senstroke_linux

If you are having issues here, try following the tutorial for Windows 10 published here and using chromium + https://flexiblemidi.netlify.com/

screen_tuto_connexion_senstroke_linux_flexible_MIDI

Setting up the Senstrokes with JACK and connecting to Hydrogen on Linux

Run QJackCtl

Setup as follows, selecting the proper sound card (external or internal):

screen_tuto_connexion_senstroke_linux_select_soundcard

screen_tuto_connexion_senstroke_linux_select_soundcard_advanced

Click on ‘Start’ to initiate the JACK server.

Run hydrogen

Configure as follows:

screen_tuto_connexion_senstroke_linux_select_jack

Go back to QJackCtl and open the “Graph” dialog.

Perform the connections from each of the Senstroke to the Input of Hydrogen:

screen_tuto_connection_senstroke_linux_hydrogen_connections_path

Go back to Hydrogen and check the Midi input is blinking every time you execute a hit on your Senstroke sensors:

hydrogen_senstroke_gif

You are all set!

The default Hydrogen drumkit should work out of the box.
If you change it, you should re-order the sounds (Kick, Snare, Hat…) to match with the default.

How to disconnect the Senstroke sensors from Linux

Just turn off the Bluetooth on your device and then turn off each Senstroke sensor.

Redison Forum

We would like to thanks again senstefo who wrote this tutorial on our Redison Forum.
You can read it here and thank him directly if you want !

Feel free to ask for tutorials on our Forum if you need, it will be a pleasure to write down what you need.

You can also find all our tutorials to connect Senstroke sensors to a DAW software !

And don’t forget, keep on drumming !

The Redison team.

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