arduino:displays_for_classic_arduinos:nokia_5110_displays_and_classic_arduinos_speed_test
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arduino:displays_for_classic_arduinos:nokia_5110_displays_and_classic_arduinos_speed_test [2018/01/28 05:36] – [Tests] mithat | arduino:displays_for_classic_arduinos:nokia_5110_displays_and_classic_arduinos_speed_test [2018/02/01 20:06] (current) – [Summary evaluation] mithat | ||
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===== Summary evaluation ===== | ===== Summary evaluation ===== | ||
- | One might expect | + | For more general information on this display, |
- | character change artifacts are not objectionable. The frame update time is expected to halve with a 16 MHz board, but there are no 16 MHz 3.3V boards, so that means you'll have to complicate things a bit with level shifters. | + | |
- | The bad news is that it's still a bit of a memory glutton, consuming 42% of program storage and 24% of dynamic memory. Most of that is probably the data for the lovely fonts. Lunches are never free. | + | One might expect this 84×48 display with 1 bit color depth to be updateable pretty quickly even with a torpid Uno/ |
===== Tests ===== | ===== Tests ===== | ||
- | I used [[https:// | + | I used [[https:// |
- | The glare on the edges is an artifact from the four LEDs used to backlight | + | The frame update time of 100 ms (the inverse of the fps noted in the [[display_nokia_5110_u8g2_counter.ino | source code]]) is respectable, and |
+ | character change artifacts are not objectionable. The frame update time is expected to halve with a 16 MHz board, but there are no 16 MHz 3.3V boards, so that means you'll have to complicate things a bit with level shifters. Memory use is 42% of program storage and 24% of dynamic memory. | ||
- | FIXME video | + | The glare on the edges is an artifact from the four LEDs used to backlight the display. In real life the arifact doesn' |
+ | |||
+ | {{youtube> | ||
[[display_nokia_5110_u8g2_counter.ino | source code]] | [[display_nokia_5110_u8g2_counter.ino | source code]] | ||
arduino/displays_for_classic_arduinos/nokia_5110_displays_and_classic_arduinos_speed_test.1517117773.txt.gz · Last modified: 2018/01/28 05:36 by mithat