Description
You can erase LCD pixels with light! Semiconductor and photonics physics in action on the µTimer LCD!
Part 4 in the µTimer design series.
00:00 - Reflective vs Transflective LCD
03:39 - Erasing LCD pixels using light!
05:02 - How the physics works
06:30 - We have a problem in outdoors light in ultra low power mode
09:24 - The LCD under the microscope!
11:49 - Extra low power current measurements
Datasheets:
Sitronix ST7305 https://yuyinglcd.com/strapi-uploads/ST_7305_V0_2_d0b99d9cdb.pdf
YDP290H004-V3 LCD https://yuyinglcd.com/products/1/17/560
Forum: https://www.eevblog.com/forum/blog/eevblog-1779-erasing-lcd-pixels-using-lights!-(utimer-part-4)/
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#ElectronicsCreators #Physics #LCD