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	<title>41J Blog</title>
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	<link>https://41j.com/blog</link>
	<description>My contribution to the increasing entropy, and eventual heat death of the universe</description>
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		<title>M7 Wifi Camera Notes</title>
		<link>https://41j.com/blog/2025/07/m7-wifi-camera-notes/</link>
					<comments>https://41j.com/blog/2025/07/m7-wifi-camera-notes/#respond</comments>
		
		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Sat, 26 Jul 2025 23:07:21 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7518</guid>

					<description><![CDATA[I picked up a cheap Wifi security camera on Amazon, it uses a mobile app called &#8220;seeing&#8221;. Which appears to be that referenced at seeing.store. No ports were open when scanned with nmap. Monitoring traffic on the router indicated it was talking to a remote server (appears to be on Alibaba&#8217;s cloud service): With some [&#8230;]]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">7518</post-id>	</item>
		<item>
		<title>More Lasertec C130 Notes</title>
		<link>https://41j.com/blog/2024/09/more-lasertec-c130-notes/</link>
					<comments>https://41j.com/blog/2024/09/more-lasertec-c130-notes/#respond</comments>
		
		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Sat, 14 Sep 2024 21:18:03 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7241</guid>

					<description><![CDATA[I&#8217;ve been playing around a bit more with the Lasertec microscope. Looking at the literature Lasertec microscopes are often described as &#8220;Semi-confocal&#8221; this explains the lack of a galvo or anything that I could see that would deflect the light in X and Y: So I suspect that the silver box at the top of [&#8230;]]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">7241</post-id>	</item>
		<item>
		<title>LaserTec C130 Notes</title>
		<link>https://41j.com/blog/2024/09/lasertec-c130-notes/</link>
					<comments>https://41j.com/blog/2024/09/lasertec-c130-notes/#respond</comments>
		
		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Wed, 11 Sep 2024 21:41:19 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7233</guid>

					<description><![CDATA[I was pulling apart an old LaserTec C140 confocal microscope. Here are some pics! Here&#8217;s the main optical block: There&#8217;s a photodiode, I assume with a pinhole and CCD sensor here: On the other side of the unit there&#8217;s an FPGA. Under the unit there&#8217;s a stepper (right) and a BL55 &#8220;Laserscale&#8221;. I&#8217;ve been trying [&#8230;]]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">7233</post-id>	</item>
		<item>
		<title>Arducam Pivistation 5 Klarity I2C</title>
		<link>https://41j.com/blog/2024/09/arducam-pivistation-5-klarity-i2c/</link>
					<comments>https://41j.com/blog/2024/09/arducam-pivistation-5-klarity-i2c/#respond</comments>
		
		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Sun, 01 Sep 2024 23:21:28 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7223</guid>

					<description><![CDATA[I was trying to interface directly with the I2C on the Arducam Pivistation 5 Klarity camera module for&#8230; reasons. Anyway I figured this would just expose the I2C on the IMX283&#8230; but it doesn&#8217;t seem to. There seems in fact to be another little microcontroller (GD e230f8?) there which uses a different I2C command set. [&#8230;]]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">7223</post-id>	</item>
		<item>
		<title>Pacific Biosciences Accuracy Notes</title>
		<link>https://41j.com/blog/2023/09/pacific-biosciences-accuracy-notes/</link>
					<comments>https://41j.com/blog/2023/09/pacific-biosciences-accuracy-notes/#respond</comments>
		
		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Thu, 14 Sep 2023 04:23:23 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7052</guid>

					<description><![CDATA[Date Overall Insertions Deletions Substitutions Read Length Ref PacBio RS II ~2013 ~11% “predominantly indel” “predominantly indel” “predominantly indel” Vendor PacBio RS II 2020 ~13% 8% 3% 1.68% Academic Benchmark PacBio RS II CLR 2020 12.88% 8.04% 3.16% 1.68% 8899 Academic Benchmark PacBio RS II Subread 2017 14.2% 5.92% 3.01% 5.27% Academic Benchmark PacBio Sequel [&#8230;]]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">7052</post-id>	</item>
		<item>
		<title>Random Notes 5</title>
		<link>https://41j.com/blog/2023/07/random-notes-5/</link>
					<comments>https://41j.com/blog/2023/07/random-notes-5/#respond</comments>
		
		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Sat, 29 Jul 2023 06:44:45 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7034</guid>

					<description><![CDATA[Xaar 128 https://github.com/MatthiasWM/Xaar128 https://github.com/gkyle/xaar128 https://www.xaar.com/en/products/xaar-printheads/xaar-128/ http://ytec3d.com/forum/viewtopic.php?t=47 chinese inkjet info:&#160;http://m.6lon.com/sdm/132165/2/cp-1003311/0.html RNA Bioanalyzer Paper Quantification pg/ul RNA Run Plots Urine RNA Processing in a Clinical Setting: Comparison of Three Protocols 397.5 ng/60 mL (Qubit RNA HS) Agilent 4200 TapeStationRIN: 5.9 Urine RNA Processing in a Clinical Setting: Comparison of Three Protocols 397.5 ng/60 mL(Qubit RNA HS) Agilent [&#8230;]]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">7034</post-id>	</item>
		<item>
		<title>Unknown rotary valve (from Affy fluidics)</title>
		<link>https://41j.com/blog/2023/07/unknown-rotary-valve-from-affy-fluidics/</link>
					<comments>https://41j.com/blog/2023/07/unknown-rotary-valve-from-affy-fluidics/#respond</comments>
		
		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Sat, 29 Jul 2023 06:34:51 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7027</guid>

					<description><![CDATA[]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">7027</post-id>	</item>
		<item>
		<title>BW Spectrometer Notes</title>
		<link>https://41j.com/blog/2023/07/bw-spectrometer-notes/</link>
					<comments>https://41j.com/blog/2023/07/bw-spectrometer-notes/#respond</comments>
		
		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Sat, 29 Jul 2023 06:31:08 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7011</guid>

					<description><![CDATA[http://www.excaliburmineral.com/Aramis2/473nm/spectro/index.htm http://www.excaliburmineral.com/Aramis2/473nm/index.htm https://www.ebay.com/itm/162959836456?ViewItem=&#38;item=162959836456 https://laserpointerforums.com/f42/b-wtech-473nm-unit-spectrometer-mods-info-101467.html https://alexanderimpertro.wordpress.com/2015/10/27/bw-tek-bwb-10-oem-473nm-blue-lab-style-dpss-laser/ useful spectra: https://en.wikipedia.org/wiki/User:Deglr6328 Peak number Wavelength of peak (nm) Species producing peak Actual line location (nm) 1 405.4 mercury 404.656 2 436.6 mercury 435.833 3 487.7 terbium&#160;from Tb3+ ~485 to 490 4 542.4 terbium&#160;from Tb3+ ~543 to 544 5 546.5 mercury 546.074 6 577.7 likely&#160;terbium&#160;from Tb3+&#160;or mercury 576.960 for Hg or [&#8230;]]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">7011</post-id>	</item>
		<item>
		<title>Random Notes 4</title>
		<link>https://41j.com/blog/2023/07/random-notes-4/</link>
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		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Sat, 29 Jul 2023 06:27:35 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=7005</guid>

					<description><![CDATA[Optics_Glue https://www.optical-cement.com/cements/manual/manual.html Seperating:&#160;https://www.norlandprod.com/techrpts/separating.html &#8220;The simplest method for separating a lens bonded with Norland Optical Adhesive is to immerse the lens in a solvent combination made up of the following: methylene chloride, 100 parts by weight -methanol, 15 parts &#8211; concentrated ammonia (26 Baumé or 29% NH ), 2 parts. The methylene chloride is the active [&#8230;]]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">7005</post-id>	</item>
		<item>
		<title>PX-045A Printhead</title>
		<link>https://41j.com/blog/2023/07/px-045a-printhead/</link>
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		<dc:creator><![CDATA[new299]]></dc:creator>
		<pubDate>Sat, 29 Jul 2023 06:25:56 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://41j.com/blog/?p=6999</guid>

					<description><![CDATA[DC Values (prior to printing) 1 2 3 Using as GND reference 4 2.59V DC 5 3.3V DC 6 3.3V DC 7 0V DC 8 0V DC 9 3.3V DC 10 0V 11 NC 12 0V 13 0V 14 0V 15 0V 16 0V 17 0V 18 0V 19 20 21 During print 1 2 [&#8230;]]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">6999</post-id>	</item>
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