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Can contrast level be an optional parameter on the constructor for the max7219?
I have a script that re-inits and updates the display every so often; every time it runs, I see a brief 'flash' where…
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Found 2 potential bugs in the dependencies script/autobuild
This is the output of a cleen unchanged marlin bugfix-2.0.x configuration:
```
Found 5 compatible libraries
Scanning dependencies...…
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Hi Aircooookie,
thx fir this awesome project - it's amazing!
I have quite a lot of non-digital LED strips attached to MagicHome Adapters re-flashed with Tasmota.
Unfortunately beside a simple…
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When I switch to the LCD12864 simulator, it only shows a blue screen with the text 'LCD12864 simulator'.
After rotating the rotary encoder, the menu of the simulator shows up, but it doesn't load the…
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I am running Neopixels on Pin 21 (BCM21) using a level shifter.
When starting octoprint with root ( ./octoprint --iknowwhatimdoing ) following shows up:
```
- octoprint.plugins.rgb_status - ERROR…
p8ght updated
4 years ago
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I want to control my home appliances using the rf433 protocol. The RF433 protocol is using pulses in the order of 200 microseconds. Reading in Javasscript is due to performance problems unfortunately …
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I have some "neopixel" 24V RGB 5050 light strips one of 12 LED's and another of 6 LED's wired to 24V power and individually controlled by servo pins P1.24 and P1.25. The LED's turn on with the printer…
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Splitting this issue off from #3829:
from @dkirkby:
I just followed the [Welcome to CircuitPython](https://learn.adafruit.com/welcome-to-circuitpython/creating-and-editing-code) instructions for…
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I am trying to run the [neopixel_demo.py](https://github.com/rm-hull/luma.led_matrix/blob/master/examples/neopixel_demo.py)
but I am encountering this problem
```
pi@raspberrypi:~/playground/neo…