diff options
Diffstat (limited to '_site/log/e-reader')
| -rw-r--r-- | _site/log/e-reader/index.html | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/_site/log/e-reader/index.html b/_site/log/e-reader/index.html index 41f58ff..33c08d2 100644 --- a/_site/log/e-reader/index.html +++ b/_site/log/e-reader/index.html @@ -3,7 +3,7 @@ <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> - <title>ESP32 prototype e-reader</title> + <title>512 KB e-reader</title> <link rel="stylesheet" href="/assets/css/main.css"> <link rel="stylesheet" href="/assets/css/skeleton.css"> </head> @@ -37,7 +37,7 @@ <main> <div class="container"> <div class="container-2"> - <h2 class="center" id="title">ESP32 PROTOTYPE E-READER</h2> + <h2 class="center" id="title">512 KB E-READER</h2> <h5 class="center">24 OCTOBER 2023</h5> <br> <div class="twocol justify"><p>First project with e-paper displays and ESP32.</p> @@ -49,9 +49,10 @@ <p>ESP-WROOM-32, 7.5” Waveshare e-paper display, three-button interface (prev/next/sleep).</p> -<p>Memory: 512KB SRAM + 4MB flash–insufficient for local library. Streams via -HTTP Range requests over WiFi. Reading progress saved to RTC memory; persists -through deep sleep.</p> +<p>Memory: 512KB SRAM + 4MB flash. Internal 4 MB flash unsuitable for storing +books due to P/E cycle limits. HTTP Range requests for on-demand bitmap +streaming. Progress saved to RTC memory to survive deep sleep without flash +wear.</p> <p>EBM format: Raw bitmap sequence. 1 byte = 8 pixels, 1 page = 48 KB (display resolution), headerless. Optimized for HTTP Range requests:</p> |