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Desk of Ladyada – E-Ink Experimentation Plus a Simple Moisture Sensor

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Manage episode 491897598 series 1242341
Content provided by Adafruit Industries. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Adafruit Industries or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
(Re-broadcast, LIVE was not working for all social media on Sunday night, so here ya go! This week at our desk, we spent a lot of our focused engineering time working on e-paper display drivers. These displays are a lot more annoying than TFTs, which have settled on standardized MIPI command sets. Also, they have custom "waveforms" used to configure the refresh technique. By default, we use the built-in waveforms from OTP memory, but it's possible to load new waveforms, letting us do funky stuff like coax 4-grayscale out of a "monochrome" display. We also designed a simple moisture sensor PCB for an ultra-low-cost kit to be used by students—sometimes it's okay to under-design for cost reasons!
  continue reading

5030 episodes

Artwork
iconShare
 
Manage episode 491897598 series 1242341
Content provided by Adafruit Industries. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Adafruit Industries or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
(Re-broadcast, LIVE was not working for all social media on Sunday night, so here ya go! This week at our desk, we spent a lot of our focused engineering time working on e-paper display drivers. These displays are a lot more annoying than TFTs, which have settled on standardized MIPI command sets. Also, they have custom "waveforms" used to configure the refresh technique. By default, we use the built-in waveforms from OTP memory, but it's possible to load new waveforms, letting us do funky stuff like coax 4-grayscale out of a "monochrome" display. We also designed a simple moisture sensor PCB for an ultra-low-cost kit to be used by students—sometimes it's okay to under-design for cost reasons!
  continue reading

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