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arduino:displays_for_classic_arduinos:medium_graphic_lcd_displays_and_classic_arduinos [2018/02/24 01:58]
mithat created
arduino:displays_for_classic_arduinos:medium_graphic_lcd_displays_and_classic_arduinos [2019/10/05 19:52] (current)
mithat [U8g2]
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 ===== Summary evaluation ===== ===== Summary evaluation =====
-128×64 LCD display with ST7920 controller. +  128x64 LCD display with ST7920 controller. 
-* 2.9" - moderate DPI. +  * 2.9" --- offers moderate DPI. 
-* Since they are monochrome devices, the expected data load they present to the microcontroller is, unlike TFT displays, relatively low.+  * Since they are monochrome devices, the expected data load they present to the microcontroller is, unlike TFT displays, relatively low.
  
 In the tests that follow, I am striving to answer first whether the rendering updates will be fast enough for reasonable use and second whether there will be any memory left to do anything interesting. In the tests that follow, I am striving to answer first whether the rendering updates will be fast enough for reasonable use and second whether there will be any memory left to do anything interesting.
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 The frame update time of 106 ms with a 16 MHz processor (the inverse of the fps noted in the [[ display_st7920_126x64_u8g2.ino | source code]]) is respectable, and character change artifacts are not objectionable. Memory use is on the order of 46% of program storage space and 27% of dynamic memory on a Nano. The frame update time of 106 ms with a 16 MHz processor (the inverse of the fps noted in the [[ display_st7920_126x64_u8g2.ino | source code]]) is respectable, and character change artifacts are not objectionable. Memory use is on the order of 46% of program storage space and 27% of dynamic memory on a Nano.
  
-Video to follow shortly.+A video of this setup isn't availableSorry. :-/
  
 [[ display_st7920_126x64_u8g2.ino | source code]] [[ display_st7920_126x64_u8g2.ino | source code]]
arduino/displays_for_classic_arduinos/medium_graphic_lcd_displays_and_classic_arduinos.1519437521.txt.gz · Last modified: 2018/02/24 01:58 by mithat