Part 1 of the µTimer project, a versatile benchtop lab timer. Choosing the LCD, and getting two sample LCD's running. One using a demo board, and one that needed to be hacked onto a Raspberry Pi.00:00 - Benchtop Lab Timer Project01:19 - It's all about the choice of LCD03:14 - ERC19624-1 192x64 Transflective 4" LCD03:44 - Reflective vs Transflective LCD's05:01 - ER3806 Font Chip 06:06 - Demo Board09:10 - LCD Bias Angle and Viewing Angle Explained11:45 - What is THAT? LCD Bleeding?13:19 - Power consumption measurement15:48 - Trying another LCD, the ERC19624-6. What difference does a dash number make?17:15 - Bodging on the LCD connector to the breakout board20:34 - The pin offsets and lack of routing is annoying...22:10 - Reprogramming the 8051 demo board, it should be easy, right?26:32 - Entering The Matrix29:40 - More soldering30:33 - The Programmer Software doesn't work without a HEX file...32:17 - All of that for nothing...33:40 - Let's try this Arduino / Raspberry Pi ST7525 LCD code35:36 - Getting the Raspberry Pi running and installing the BCM2835 C library38:56 - Getting the Make to work on the source code.40:01 - Make Clean should work...41:16 - Winner Winner Chicken Dinner41:10 - Power consumption measurement. This one is supposed to be much lower...42:58 - Changing the LCD contrast in software45:10 - Is it better or worse than the first LCD?46:37 - ConclusionLinks:https://www.buydisplay.com/4-inch-low-cost-white-192x64-graphic-cog-lcd-display-st7525-spihttps://www.buydisplay.com/4-inch-cog-192x64-display-graphic-lcds-module-ist3020-black-on-whitehttp://www.airspayce.com/mikem/bcm2835/Font Chip: https://www.buydisplay.com/download/manual/ER3806-1_Datasheet.pdfWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Project #Design...https://www.youtube.com/watch?v=KhQn-RUDZ3I

Ver todos los episodios