# Reverse brightness control with commandline **URL:** \ **Category:** Support\ **Created:** [February 27, 2018, 1:46pm UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923 "2018-02-27T13:46:32Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![mahyar\_moqimi](https://forums.blinkstick.com/letter_avatar_proxy/v4/letter/m/e68b1a/32.png) [@mahyar\_moqimi](https://forums.blinkstick.com/u/mahyar_moqimi)\ **Post date:** [February 27, 2018, 1:46pm UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923/1 "2018-02-27T13:46:32Z")
Hi all I have been using the blinkstick pro beside (with the LED adapter) with command line in Linux without any problem. This is the command I am using to turn on all the LEDs: Blinkstick --set-color=FFFFFF --brightness=100 . Recently I opened a new blinkstick out of the package and the brightness works exactly the opposite. So to turn on all the LEDs I have to use zero brightness: Blinkstick --set-color=FFFFFF --brightness=0 I tried both blink sticks on the same system and the same adapter and they work opposite. Does anybody have an idea why is this the case? Is there a jumper setting or something like that? Best Regards Mahyar ---
**Author:** ![Diff](https://forums.blinkstick.com/user_avatar/forums.blinkstick.com/diff/32/553_2.png) [@Diff](https://forums.blinkstick.com/u/Diff)\ **Post date:** [February 27, 2018, 2:06pm UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923/2 "2018-02-27T14:06:07Z")
Just curious, what happens if you --set-color=000000, and what does --info spit out? ---
**Author:** ![mahyar\_moqimi](https://forums.blinkstick.com/letter_avatar_proxy/v4/letter/m/e68b1a/32.png) [@mahyar\_moqimi](https://forums.blinkstick.com/u/mahyar_moqimi)\ **Post date:** [February 28, 2018, 11:13am UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923/3 "2018-02-28T11:13:53Z")
ok very interesting question $ blinkstick --set-color=000000 --brightness=0 Turns on the led strip. and $ blinkstick --set-color=000000 --brightness=100 also turn the light on and after that $ blinkstick -i gives: Found device: Manufacturer: Agile Innovative Ltd Description: BlinkStick Serial: BS009449-2.2 Current Color: #000000 Mode: 0 LEDs: unsupported Info Block 1: Info Block 2: ---
**Author:** ![mahyar\_moqimi](https://forums.blinkstick.com/letter_avatar_proxy/v4/letter/m/e68b1a/32.png) [@mahyar\_moqimi](https://forums.blinkstick.com/u/mahyar_moqimi)\ **Post date:** [February 28, 2018, 11:18am UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923/4 "2018-02-28T11:18:18Z")
* * * and more interesting is when I do $ blinkstick -i right after $ blinkstick --set-color=FFFFFF --brightness=0 (lights go on) The results is surprisingly: $ sudo blinkstick -i Found device: Manufacturer: Agile Innovative Ltd Description: BlinkStick Serial: BS009449-2.2 Current Color: #000000 Mode: 0 LEDs: unsupported Info Block 1: Info Block 2: but after --set-color=FFFFFF --brightness=100 (lights go off) the color shown by --info is Current Color: #ffffff Is this insane or am I getting this wrong? (I just need to declare that I am only using one led strip connected to the “Red” now, but I also tested once with my previous working setup and the problem was the same. However I guess this is not important) ---
**Author:** ![arvydas](https://forums.blinkstick.com/user_avatar/forums.blinkstick.com/arvydas/32/242_2.png) [@arvydas](https://forums.blinkstick.com/u/arvydas)\ **Post date:** [February 28, 2018, 11:27am UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923/5 "2018-02-28T11:27:05Z")
@mahyar_moqimi is it Pro with LED adapter? ---
**Author:** ![mahyar\_moqimi](https://forums.blinkstick.com/letter_avatar_proxy/v4/letter/m/e68b1a/32.png) [@mahyar\_moqimi](https://forums.blinkstick.com/u/mahyar_moqimi)\ **Post date:** [February 28, 2018, 11:27am UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923/6 "2018-02-28T11:27:12Z")
Ok I got it. This was on “reverse mode” The only thing I needed was to set to normal mode $ sudo blinkstick --set-mode=1 However still the behavior on mode “0” sounds weird to me and I don’t understand it. But the problem is solved. Thanks ---
**Author:** ![mahyar\_moqimi](https://forums.blinkstick.com/letter_avatar_proxy/v4/letter/m/e68b1a/32.png) [@mahyar\_moqimi](https://forums.blinkstick.com/u/mahyar_moqimi)\ **Post date:** [February 28, 2018, 11:28am UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923/7 "2018-02-28T11:28:13Z")
Hi Arvydas Yes it is. a pro with adapter ---
**Author:** ![arvydas](https://forums.blinkstick.com/user_avatar/forums.blinkstick.com/arvydas/32/242_2.png) [@arvydas](https://forums.blinkstick.com/u/arvydas)\ **Post date:** [February 28, 2018, 11:29am UTC](https://forums.blinkstick.com/t/reverse-brightness-control-with-commandline/923/8 "2018-02-28T11:29:08Z")
Was about to suggest this 🙂 Pro with LED adapter needs to be set to inverse mode 1. This is because LEDs have common anode.