From 1a369b2d8c0fcc1fa148aff6d4462fa25485bf7c Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <sadeep@asciimx.com>
Date: Thu, 30 Oct 2025 15:06:42 +0800
Subject: Two columns.

---
 _site/feed.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to '_site/feed.xml')

diff --git a/_site/feed.xml b/_site/feed.xml
index c4d09f0..388c7e1 100644
--- a/_site/feed.xml
+++ b/_site/feed.xml
@@ -1,2 +1,2 @@
-<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="4.4.1">Jekyll</generator><link href="http://localhost:4000/feed.xml" rel="self" type="application/atom+xml" /><link href="http://localhost:4000/" rel="alternate" type="text/html" /><updated>2025-10-30T14:59:44+08:00</updated><id>http://localhost:4000/feed.xml</id><title type="html">ASCIIMX | Archive</title><subtitle>Simplicity is a great virtue, &lt;br&gt; but it requires hard work to achieve it and education &lt;br&gt; to appreciate it - Edsger W. Dijkstra
+<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="4.4.1">Jekyll</generator><link href="http://localhost:4000/feed.xml" rel="self" type="application/atom+xml" /><link href="http://localhost:4000/" rel="alternate" type="text/html" /><updated>2025-10-30T15:02:47+08:00</updated><id>http://localhost:4000/feed.xml</id><title type="html">ASCIIMX | Archive</title><subtitle>Simplicity is a great virtue, &lt;br&gt; but it requires hard work to achieve it and education &lt;br&gt; to appreciate it - Edsger W. Dijkstra
 </subtitle><author><name>Wickramage Don Sadeep Madurange</name></author><entry><title type="html">Neo4J A* search</title><link href="http://localhost:4000/archive/neo4j-a-star-search/" rel="alternate" type="text/html" title="Neo4J A* search" /><published>2025-09-14T00:00:00+08:00</published><updated>2025-09-14T00:00:00+08:00</updated><id>http://localhost:4000/archive/neo4j-a-star-search</id><author><name>Wickramage Don Sadeep Madurange</name></author><summary type="html"><![CDATA[Back in 2018, we used the Neo4J graph database to track the movement of marine vessels. We were interested in the shortest path a ship could take through a network of about 13,000 route points. Performance issues with Neo4J’s then-available shortest-path algorithms limited our search to about 4,000 route points.]]></summary></entry><entry><title type="html">My first PCB</title><link href="http://localhost:4000/archive/my-first-pcb/" rel="alternate" type="text/html" title="My first PCB" /><published>2025-07-14T00:00:00+08:00</published><updated>2025-07-14T00:00:00+08:00</updated><id>http://localhost:4000/archive/my-first-pcb</id><author><name>W. D. Sadeep Madurange</name></author><summary type="html"><![CDATA[In 2023, I started tinkering with DIY electronics as a hobby. Until now, I’ve been using development boards like the Arduino Uno and ESP-32-WROOM so that I can focus on the software. Recently, I decided to step outside of my comfort zone and design a PCB from scratch for a door lock I’m working on.]]></summary></entry><entry><title type="html">MOSFETs</title><link href="http://localhost:4000/archive/mosfet-switches/" rel="alternate" type="text/html" title="MOSFETs" /><published>2025-06-22T00:00:00+08:00</published><updated>2025-06-22T00:00:00+08:00</updated><id>http://localhost:4000/archive/mosfet-switches</id><author><name>W. D. Sadeep Madurange</name></author><summary type="html"><![CDATA[Recently, I needed a low-power circuit for one of my battery-operated projects. Much of the system’s power savings depended on its ability to switch off power to components, such as servos, electronically when not needed. That’s how I stumbled upon MOSFETs, transistors capable of controlling circuits operating at voltages far above their own.]]></summary></entry><entry><title type="html">Awesome books</title><link href="http://localhost:4000/archive/awesome-books/" rel="alternate" type="text/html" title="Awesome books" /><published>2025-04-20T00:00:00+08:00</published><updated>2025-04-20T00:00:00+08:00</updated><id>http://localhost:4000/archive/awesome-books</id><author><name>W. D. Sadeep Madurange</name></author><summary type="html"><![CDATA[This article contains a list of my favourite books.]]></summary></entry><entry><title type="html">Notes on programming ATmega328P chips</title><link href="http://localhost:4000/archive/arduino-uno/" rel="alternate" type="text/html" title="Notes on programming ATmega328P chips" /><published>2025-04-10T00:00:00+08:00</published><updated>2025-04-10T00:00:00+08:00</updated><id>http://localhost:4000/archive/arduino-uno</id><author><name>W. D. Sadeep Madurange</name></author><summary type="html"><![CDATA[This post is a step-by-step guide for wiring up ATmega328P ICs to run at 5 V with a 16 MHz crystal and 3.3 V with an 8 MHz crystal. While the 5 V configuration is common, the 3.3 V configuration can be advantageous in low-power applications and when interfacing with parts that run at 3.3 V.]]></summary></entry><entry><title type="html">Bare-metal ARM Cortex M3 chips</title><link href="http://localhost:4000/archive/arduino-due/" rel="alternate" type="text/html" title="Bare-metal ARM Cortex M3 chips" /><published>2024-10-05T00:00:00+08:00</published><updated>2024-10-05T00:00:00+08:00</updated><id>http://localhost:4000/archive/arduino-due</id><author><name>W. D. Sadeep Madurange</name></author><summary type="html"><![CDATA[This post is about programming bare metal SAM3X8E Arm Cortex M3 chips found on Arduino Due boards. I had to learn how to do this because none of the high-level tools for programming Arduino Dues are available for OpenBSD, which I use for much of my personal computing.]]></summary></entry></feed>
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