SPI set to 20MHz - Githubissues

sqfmi / Watchy

Watchy - An Open Source E-Ink Smartwatch

http://www.sqfmi.com

MIT License

2k stars 334 forks source link

Closed DarkZeros closed 2 years ago

DarkZeros commented 2 years ago

Speed up SPI transfer to the display by using 20Mhz instead of default 4Mhz This saves around 16ms = 1.5mJ/refresh or 2160mJ/day = 0.6mWh/day = 0.2mAh/day (890ms -> 874ms)