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i need for an epaper display (spi) an buffer:
uint8_t _buffer[30000];
but it results in an reset?
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**Environment:** Arduino Uno, Windows 10, u8g2 library
**Problem:** Trying to draw a frame on the outside of the display but it will not work beyond width of 248. Display width is 296. Attached ar…
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Hi, I saw the demo for a lot of display devices and it was impressive. I want to know if you can support the waveshare 7.5inch b/w epaper. The datasheet is blow:
https://www.waveshare.com/w/upload/b…
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It is compatible with the arduino IDE?
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Thanks @zkarcher , the rotate option already works, only that it presents the phantom effect from time to time.
[Video & picture](https://twitter.com/gsreynaga/status/903956447918215168)
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When it try to run the code:
from papirus import PapirusText
text = PapirusText([rotation = rot])
text.write("hello world")
I get this Error:
File "test.py", line 4
text = Papirus…
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Hi,
I've followed the instructions for both [software](https://github.com/PiSupply/PaPiRus) and [hardware](https://www.pi-supply.com/make/papirus-assembly-tips-and-gotchas/), I've checked out [Fred…
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I have hacked together a Linux drm graphics driver that (sort of) works with a RePaper 2.7" display I bought from Adafruit 2-3 years back: https://www.adafruit.com/products/1346
I would like to get t…
notro updated
7 years ago
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Drawing a Bitmap looks completly wrong.
I am not sure, but it completly wrong. I can't realized where the error is. Is it because of the BLV format Assembly Electronics use?
PS:
https://github.c…
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I noticed that the latest kernel avoids communication on the pi zero w.
to revert to 4.4.50:
rpi-update 52241088c1da59a359110d39c1875cda56496764