MK147 on 15v power supply instead of 9v

Good morning.
I have gotten a kit mk147, but I would like to plug into a 15v power supply. What are the components of the assembly to amend?
Best regards :).

Link: http://www.velleman.be/downloads/0/manual_mk147.pdf


Bonjour.
J’ai acquis un kit mk147, mais je voudrais le brancher sur une alimentation de 15v. Quel sont les composants du montage à modifier ?
Cordialement :).

Link: http://www.velleman.be/downloads/0/manual_mk147.pdf

Increase R7 to e.g. 100 ohm

Thx you very much for your fast reply !!!


Merci beaucoup pour votre réponse rapide !!!