Try adding the following two lines to the end of the file
/etc/udev/rules.d/20-hw1.rules
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0660",
GROUP="plugdev",
ATTRS{idVendor}=="2c97"
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0660",
GROUP="plugdev",
ATTRS{idVendor}=="2581"
and reboot
On 07/12/17 20:55, Jean-Paul wrote:
--
Edelmiro Moman, PhD
Organic/medicinal/computational chemist & entrepreneur
Phone: +352 621 511 423
E-mail: miromoman(a)gmail.com
http://www.prosciens.com/
https://www.linkedin.com/in/edelmiro-moman-3a9979a/