From 18aa7dd1057cd29cc087c4f45566394692f2f01d Mon Sep 17 00:00:00 2001 From: Sadeep Madurange Date: Sat, 25 Oct 2025 16:00:54 +0800 Subject: Presentable article style with 3 columns. --- _site/projects/e-reader/index.html | 22 +++++----------------- 1 file changed, 5 insertions(+), 17 deletions(-) (limited to '_site/projects/e-reader/index.html') diff --git a/_site/projects/e-reader/index.html b/_site/projects/e-reader/index.html index bc23c7b..540e86a 100644 --- a/_site/projects/e-reader/index.html +++ b/_site/projects/e-reader/index.html @@ -34,20 +34,13 @@
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PROTOTYPE E-READER

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24 OCTOBER 2023
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24 OCTOBER 2023
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This project features a prototype e-reader powered by a 7.5-inch Waveshare e-paper display and an +

This project features a prototype e-reader powered by a 7.5-inch Waveshare e-paper display and an ESP-WROOM-32 development board.

@@ -66,10 +59,6 @@ books of arbitrary sizes by streaming them over HTTP. It employs sleep modes to minimize power consumption when not in use and records the reading progress in the chip’s RTC memory.

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The following schematic outlines the electrical connections of the e-reader.

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circuit

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The biggest challenge when building an e-reader using an ESP32 board is its low memory and lack of storage. My ESP-WROOM-32 board has 512 KB of SRAM and 4 MB of flash memory, which the freeRTOS, ESP-IDF, and my own program have to share. @@ -125,8 +114,7 @@ develop the skill set, but now, at last, I know how those displays worked and how to build my own.

Files: source.tar.gz

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by W. D. Sadeep Madurange

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