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#diyelectronics

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Question for the more industrial electronics/electrical peoples here:

I've got a little build on the stocks which requires quite a few wire-to-pcb connections.

The BOM uses TE MTA-156, but those really require a special (absurdly expensive) tool to attach the wires to the female connector.

I'll sodder the wires direct to the PCBs if I have to, but I wondered what other neat, pluggy, inexpensive solutions there might be?

#diyelectronics
#electronicsdiy

Continued thread

Also, I thought about building my own storage enclosure for a 10 inch rack. I'm just not sure how to connect it with its host system then. Using an M.2 adapter for OCuLink in the host and an OCuLink to PCIe adapter in the enclosure? Or something with eSATA? And as I thought about purchasing a backplane like servershop24.de/hpe-gen9-sff-b I could maybe just use SFF-8087 to SATA cables. I just don't know if such a backplane can be used without a dedicated HBA controller card.

www.servershop24.deHPE Gen9 SFF Backplane | Servershop24.deHPE 8x 2.5" SFF (SC) Festplatten / Hard Disk Backplane - ProLiant DL180 / DL380 / ML350 Gen9 - 777279-001 / 729820-001

Ok all you electronical gurus.

I've got a diode that looks exactly the same as my known LL4148s but I suspect might actually be a 5v1 Zener.

What can I do (if anything) to check, assuming that my only test equipment is my Middle-of-Lidl multimeter ((which does actually have a diode test setting )?

Replied in thread

I do not know if this is a good way to flip USB traces, but now both D+ and D- use one via each, rather than D+ using two vias and the other using none, and both lines are the same length so I don't need any copper rotini to tune the length of one of the legs, so... 🤷‍♀️

Once upon a time I did some diy etching. After many tests to get the correct exposure, chemical procedure, and drill bit I made one glorious circuit board. Unfortunately was mirrored incorrectly and didn’t work.

Since then the kit has been gathering dust and my light sensitive copper plates have expired.

Someday I’d love to try again. If you are in Brussels go for it.

Also try wire wrap.
sunny.garden/@xaxalxe/11450775

Sunny Gardenxaxalxe lucía 6lex ange (@xaxalxe@sunny.garden)Attached: 1 image for anyone in Brussels, I will be giving a workshop on diy printed circuit board etching on Sunday may 25 at b*a* in Anderlecht :) it's from 14h to 18h, free price to cover the preparation and material costs (~8€). if you are interested send me an email at xaxalxe@gmail.com

Here is a circuit I’ve been working on, my first with transistors. Red LED turns on when microcontroller, MC, is powered. Green LED turns on and red off when a signal is sent via GPIO from MC.

It took some doing, but I finally got my BEM280 (temperature, pressure, humidity) sensor for my balcony weather station working in C. Crazy how much the Circuit Python library was doing: setting bunch of config values like mode and oversampling rates, enable/disable filter, reading compensation params, and parsing the read out values. Pretty cool to do it all yourself and understand the sensor on a deeper level.

git.sr.ht/~travisshears/balcon


Failed at designing a Eurorack module.

I tried making a Eurorack mixer module since it's a module I still need and thought how hard can it be? It's essentially the hello world of modules and it failed.

I used different potis than I originally planned via the schematic and it seemed I can't get around ordering new ones since these ones were meant for a digital Arduino project anyway. So I'm not entirely sure what happened but I only get controllable hum and no volume control.

At least I tried but it seems Ive no luck with electronics. Digital Arduino stuff works fine at least.

Will see might get back at it again or order the correct parts maybe :P

Doepfer A-138n will take the open position

I am just thrilled beyond belief to announce that, a full day ahead of schedule, I am releasing the newest version of the PETI firmware, version 0.5.0. This update, the Audio and Hygiene update, adds PWM-driven audio and the whole goofy poop mechanic to the game, as well as some minor QoL improvements.

arcanalabs.ca/news/labnotes/pe

www.arcanalabs.caArcana Labs | Releasing PETI Version 0.5.0: The Hygine and Audio Update
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