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ETek Lab Blog

Repurposed 18650 Batteries into a power station – pt1.2

Part 1.2 : Progress on the charger/discharger So, since I needed to make a charger and discharger to test the tons of 18650s I’ll have to deal with, I decided to make it convenient. plus the form factor of the discharger is a bit odd to work with. At this point, I designed a frame […]

Published on September 21, 2024
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Repurposed 18650 Batteries into a power station – pt1.1

Part 1.1 : Getting the right tools for the job. Since I had these grandiose idea with limited tools, it was a bit long and difficult to do all the testing needed. So as my usual self, I ended up ordering the stuff I needed to make a proper charging and discharging station. The station […]

Published on September 21, 2024
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Lovely cotton swab holder for the bench

With the printer now working, also means I’m able to get new upgrade for my bench, especially for organizing stuff. One of these upgrade is a little surprise my partner decided to print for me. It’s a cotton swab holder because I was always trying to find where there were in the bathroom when I […]

Published on September 15, 2024
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Simple Wall-Mount Power Switch for rPi – pt3

Part 3: Completion With the 3d print officially working, came more project advancement! I’m glad to report that the wall switch is now complete ! As a first project in fusion 360, I think it worked out ok but I will definitely need to practice further more. Going back in the design to do fixes […]

Published on September 15, 2024
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Battery-driven Bluetooth receiver for a wired headphone.

I swear, most people asked if that was a detonator… So, my phone does not have a 3.5mm jack, and my headphones are not bluetooth…. I wanted to have a semi wireless solution so, I did the most MacGyver engineering thing ever. Behold!… the thing! Basically, it’s a M28 bluetooth audio receiver for speakers that […]

Published on September 5, 2024
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Repurposed 18650 Batteries into a power station – pt1

Part 1 : Salvaging old packs Hey guys! I got another project that I started a little while ago. I want to make a power station from repurposed 18650 batteries from old laptop packs. Initially, it started with the idea of testing my old 18650s, to fill up some USB battery packs but I soon […]

Published on September 3, 2024
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Mastercraft industrial Shelves Hooks – pt2

Part 2 : First Actual prototype My partner managed to resurrect one of our printer and we managed to get a first prototype of the support and honestly, it’s not perfect but i’m pretty darned happy with the first version. I already have a few things to “upgrade” on the model but I still am […]

Published on August 31, 2024
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Fixing a cat toy and forensic of the old part

Did somebody said… CAT?! Hey folks! I thought I’d make a quick post about this. Basically about 3 months ago I have been given an old laser cat toy thing that was working sporadically. It’s not one of these super expensive toys but still a fair 40-50$CAD. Was definitely worth an attempt to fix. I […]

Published on August 28, 2024
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Mastercraft industrial Shelves Hooks – pt1

Part 1 : The current situation, the problem & the plan (?) So, here’s the current situation, I have a few things hooked to the side of the shelve to hold them but, they have proven to not be great supports. I have made a lovely Desoldering pump holder but sadly, it doesn’t have any […]

Published on August 13, 2024
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OpenWRT on RTL8196E in WiFi repeater – pt2.2

Part 2.2 : Rebuilding So, since I have to do some coding in order to get the firmware out and that I can get the data without having the chip off the board, I decided to resolder everything to be sure that it was still working. It was also a good way to test my […]

Published on August 9, 2024
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