Tighten prose.

1 files changed, 18 insertions, 15 deletions

diff --git a/_log/etlas.md b/_log/etlas.md
index 7c50c72..a2458d5 100644
--- a/_log/etlas.md
+++ b/_log/etlas.md
@@ -6,9 +6,9 @@ project: true
 thumbnail: thumb_sm.jpg
 ---
 
-Repurposed [e-reader prototype](../e-reader/) into something for regular use.
-News, stocks, weather dashboard.  ESP32 NodeMCU D1 + 7.5" Waveshare e-paper +
-DHT22 sensor.
+Repurposed the [e-reader](../e-reader/) into something for regular use.  News,
+stocks, weather dashboard. ESP32 NodeMCU D1 + 7.5" Waveshare e-paper + DHT22
+sensor.
 
 <table style="border: none;">
   <tr style="border: none;">
@@ -20,18 +20,21 @@ DHT22 sensor.
   </tr>
 </table>
 
-Stocks: Two weeks EOD prices from Polygon.io (max possible). Flask app on VPS
-relays feed; manages watchlist. Backend: httpd + htpasswd + FastCGI + Flask.
+Stocks: Two weeks EOD data from Polygon.io (max possible). Flask app on VPS
+manages watchlist, relays the feed. Backend: httpd + htpasswd + slowcgi +
+Flask.
 
-gui_plot_stocks() triggers watchdog; vTaskDelay() required. Stepped graph was
-easier to implement (under memory constraints), but the logic is hideous. Note
-to self: Refactor with Bresenham’s?
+gui_plot_stocks() plots a stepped graph; was easier to implement, but the code
+is hideous; triggers watchdog. vTaskDelay() prevents that. 
 
-News: Channel NewsAsia RSS. MCU parses XML directly. Character glyphs stored as
-bitmaps in header files.
+NOTE: Refactor. Bresenham’s?
+
+News: Channel NewsAsia RSS. MCU does the parsing. Didn't plan to have a backend
+at the time. Now that I have one for stocks, should relay the feed for
+flexibility.
 
 Weather: DHT22 single-wire protocol. 26µs/50µs/70µs pulses are too fast for
-standard ESP32 APIs. Bit-banged relative pulse widths: (Ported from <a
+standard ESP32 APIs. Bit-banged relative pulse widths (ported from <a
 href="https://github.com/Fonger/ESP8266-RTOS-DHT" class="external"
 target="_blank" rel="noopener noreferrer">ESP8266</a>):
 
@@ -91,10 +94,10 @@ static inline int dht_get_raw_data(unsigned char buf[BUFLEN])
 }
 ```
 
-Ghost in the machine: epd_init() stalls intermittently on first refresh() after
-flash. Toggling delay values in refresh() resolves it. If first refresh
-succeeds, it remains stable. Root cause unknown--suspected power supply issues
-from powering display via MCU.
+epd_init() stalls intermittently on first refresh() after flash. Toggling delay
+values in refresh() resolves it. If the first refresh succeeds, it remains
+stable. Root cause unknown--suspect noisy power supply due to powering display
+via MCU.
 
 Uptime: August 2024 - January 2026