I’ve been following Brian Moses’ builds since a long time ago and always loved then, specially the EconoNAS. I never had the guts or the funds to make a DIY NAS, so I’m sharing his build in order to participate the constest, but if I […]
Plastic Dumbbells
During the COVID-19 pandemic I started to exercise at home and bought some adjustable dumbbells. After a while I realized that I would not use the four 1 Kg weights I had bought, since I had also bought 2 Kg weights that were better suited […]
Changing my 3D models portfolio to Printables.com
Last year Prusa Printers became my favorite 3D model website for 3D printable files, being a huge upgrade when compared to Thingiverse. Now its name was changed to Printables by Josef Prusa. This is a good change in my opinion, since the previous name suggested […]
Bit Holder
I’ve designed and 3D printed a very simple bit holder. It’s capable of holding up to 30 bits, the exact number of bits that came with my screwdriver. It was designed in Fusion 360 and the 3D files are available on Thingiverse.
My article on microcavity switching has been published!
During 2018 and 2019 I worked in Grenoble, France, advised by Jean-Michel Gérard, Joël Bleuse and Patricia Lustoza de Souza, on microcavity switching. This is the second article published about part of the research I developed there, trying to observe the picosecond time scale events […]
Inline switch for low voltage applications with 3D printed shroud
I needed small inline switches to control LED lights in my office. Since I had some round flashlight switches, I tried to fabricate a simple shroud that could be 3D printed, so that the switched could be used with wires, instead of a tube assembly, […]
LabSem Paperclub 13 – Self-catalyzed GaAs(P) nanowires and their applications for solar cells
I have presented the paper “Self-catalyzed GaAs(P) nanowires and their applications for solar cells” by Y. Zhang and H. Liu during the meeting of LabSem’s Paperclub on July 23, 2020. The presentation is available in PDF format here. Please leave any comments or questions about […]
The new hot-end and its fan shroud
Unexpectedly, my old hot-end stopped working. Badly clogged with a mix of hardened ABS and pieces of the degraded PTFE tube, there was no hope of using it for any longer. It was a 3.0 mm ceramic hot-end, ancient technology when compared to the new […]
LabSem Paperclub 16 – High-Speed MOVPE Growth of InGaP Solar Cells
Rudy Kawabata presented the paper “High-Speed MOVPE Growth of InGaP Solar Cells” by H. Sodabanlu, A. Ubukata, K. Watanabe, T. Sugaya, Y. Nakano and M. Sugiyama during the meeting of LabSem’s Paperclub on August 20, 2020. https://www.youtube.com/watch?v=h5WD1HNjRWg The video cannot be embedded, therefore it must […]
LabSem Paperclub 14 – Wide-Bandgap Perovskite/Gallium Arsenide Tandem Solar Cells
Graciana Souza presented the paper “Wide‐Bandgap Perovskite/Gallium Arsenide Tandem Solar Cells” by Zijia Li, Tae Hak Kim, Sung Yong Han, Yeo‐Jun Yun, Seonghwa Jeong, Bonghyun Jo, Song Ah Ok, Woongbin Yim, Seung Hu Lee, Kangho Kim, Sunghyun Moon, Ji‐Yong Park, Tae Kyu Ahn, Hyunjung Shin, […]