Hi, I need help with strange Unicorn-Hat behaviour on my PI3. After fresh install of latest Raspbian (kernel 4.9), running apt-get update & upgrade and installing Unicorn-Hat with help of Pimoroni Dashboard (getting latest rpi-ws281x (3.0.1) running demo scripts shows strange colors (they looks ver…

Ahoy! Could you possibly post a couple of photos of the demos running?

Hi Jon, those pictures are from: random_blinky, cross and rainbow_blinky scripts. Most of scripts seems to show much brighter than before with very desaturated colors at the same time. I was testing this on two different PI3 with the same results and on both PI my system acts strange (locking, bec…

The washed out effect could be due to a mismatch between the rpi_ws281x and Unicorn HAT libraries causing there to be no gamma correction. You should try: sudo pip install --upgrade unicornhat sudo pip install --upgrade rpi_ws281x And see if it helps. Random lighting effects can be due to audio n…

Hi and thank you for replay I don’t have any random lightnings effects. The “only” visual problem is that colors are washed out and everything seems much brighter that usually even when changing brightness from 0.5 to 0.2 and yes I have tested both with audio forced to HDMI-only and with audio di…

I can confirm that after running: sudo pip install unicornhat --upgrade I got a brand new RPi-WS281-3.0.3 and new unicornhat- 2.2.3 and that solved all of my problems. Brightness looks right, color saturation (gamma correction) looks right, no more locks of Raspbian Stretch and so far no problems w…

Issues with Pi3 and Unicorn-Hat (8x8)

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gadgetoid September 15, 2017, 12:07pm 8

The locking/SD read-only issue should hopefully be fixed in rpi_ws281x 3.0.3 / unicornhat 2.2.3.

See: [SOLVED] Problems with Unicorn pHAT Software

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Issues with Pi3 and Unicorn-Hat (8x8)

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