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41J Blog

My contribution to the increasing entropy, and eventual heat death of the universe

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Epson J300 GPS Watch Disassembly

C17V04001, F17377BCS CC7541 7MA17, RM213 Display appears to be ET011TJ1

INHECO 96 Chick Brooder

Overview The Inheco Control 96 is an OEM unit built around a Watlow Series 96 PID controller and a Watlow LSTW driver module, housed in an Inheco-branded chassis. Originally designed for TEC/Peltier temperature control in laboratory equipment (e.g. the Inheco CPAC Ultraflat for heating Eppendorf tubes), it can be repurposed as a general-purpose temperature controller. This writeup documents [ ]

M7 Wifi Camera Notes

I picked up a cheap Wifi security camera on Amazon, it uses a mobile app called seeing . 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 s cloud service): With some [ ]

More Lasertec C130 Notes

I ve been playing around a bit more with the Lasertec microscope. Looking at the literature Lasertec microscopes are often described as Semi-confocal 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 [ ]

LaserTec C130 Notes

I was pulling apart an old LaserTec C140 confocal microscope. Here are some pics! Here s the main optical block: There s a photodiode, I assume with a pinhole and CCD sensor here: On the other side of the unit there s an FPGA. Under the unit there s a stepper (right) and a BL55 Laserscale . I ve been trying [ ]

Arducam Pivistation 5 Klarity I2C

I was trying to interface directly with the I2C on the Arducam Pivistation 5 Klarity camera module for reasons. Anyway I figured this would just expose the I2C on the IMX283 but it doesn t seem to. There seems in fact to be another little microcontroller (GD e230f8?) there which uses a different I2C command set. [ ]

Pacific Biosciences Accuracy Notes

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 [ ]

Random Notes 5

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: 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…

Unknown rotary valve (from Affy fluidics)

BW Spectrometer Notes

http://www.excaliburmineral.com/Aramis2/473nm/spectro/index.htm http://www.excaliburmineral.com/Aramis2/473nm/index.htm https://www.ebay.com/itm/162959836456?ViewItem= 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:…