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Open-Source Controller for the IKEA Bekant Standing Desk

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Re: Open-Source Controller for the IKEA Bekant Standing Desk

#91
post #86

I'm the co-founder of an office furniture startup called Bureau (www.bureauwork.com) and thought I'd chime in here. By far the most frequent complaint that came up in our research about cheaper standing desks is their tendency to wobble, along both the front-back axis as well as the side-to-side axis. Generally, there are four reasons a standing desk will wobble: 1) Frame materials: I'd highly recommend a steel frame…

My BEKANT does not wobble at all.

Mine is rock solid as well.

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#92

If you're going to have a standing desk at home I recommend building one that's fixed height. A fixed height desk will be much more stable and allows you to have storage underneath. If you want to sit use a drafting chair or stool. There are a number of designs that require minimal skill and tools. The first one I built used parts from Ikea and only required a drill and some hand tools. It looked great, had a ton of…

I've managed to divide my desk up into half-sit/half-stand, and I've made it easy to move my work from one to the other. If I had to "adjust" my workstation every time I wanted to stand up, I don't think I'd often do it. I don't want to devote anything more than muscle memory to a task like that while I'm working.

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#93

Just got 2 orders and was wondering if there was a mistake, and then someone opened an issue referencing HN, and here we are! :) I've had my Bekant for a while now, I find it very sturdy, and I have a 27" monitor on an Ergotron LX arm and no issues with wobbling. Sure, there is movement when moving up and down... but I am also on hardwood, I can't imagine it would be great on carpet.

Mine is fine on carpet.

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#94

For those who can afford it, the Uplift Desk[0] is the best desk I've ever used -- very sturdy and there's even a reclaimed wood option. Huge sizes available (if you're into lots of table space) and the resale value is pretty decent (to other nerds/people who want lots of nice looking desk space). Also never had a problem with the motor/setup. You can often order them through local office supply mom & pops IIRC -- wa…

+1, very happy with my Uplift desk after ~8 months so far. I would avoid their chairs (not built by them, I would guess) – I ended up returning mine b/c it was very uncomfortable. But the desk is fantastic and I'd buy it again without hesitation.

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#95

The standing desk I have is super solid, I went onto alibaba and ordered two frames directly from the manufacturer, in total I paid about NZD$300 including shipping for each of them, I bought a benchtop, put a nice edge on it with a router and then oiled it. currently have a 27" imac and a 27" monitor on a vesa mount and no wobble whatsoever. I highly recommend going this route, far cheaper than a premade product. Th…

Do you happen to have a link to the Alibaba supplier you bought from?

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#96
post #23

Are there any desks that one has uses and really recommends? I'm not entirely sold on motorized desks, so suggestions for mechanical ones?

I picked up a used motorized by Autonomous on craigslist. Really sturdy, no problems so far up and down every day for 6 months, good controls.

Its the dual motor seen on amazon here https://www.amazon.com/dp/B00YET9M84/

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#97

Ikea's standing desks aren't that great. They wobble a lot and then anything attached to it wobbles too. Still looking for the perfect heavy-duty standing desk and heavy-duty VESA arm combo. I don't want anything on my desk moving unless I am moving it myself. To put it this way: if a desk is $500 and wobbles slightly (meaning if I touch the desk or type, my coffee jiggles and waves are seen) or is $1000 and the desk…

I have a Multitable "modtable" with the setup you describe, though with a custom-carved ikea wood countertop for the desk surface.

Solid, stable, no wobble.

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#98
post #86

I'm the co-founder of an office furniture startup called Bureau (www.bureauwork.com) and thought I'd chime in here. By far the most frequent complaint that came up in our research about cheaper standing desks is their tendency to wobble, along both the front-back axis as well as the side-to-side axis. Generally, there are four reasons a standing desk will wobble: 1) Frame materials: I'd highly recommend a steel frame…

My BEKANT does not wobble at all.

The conflicting anecdotes of "wobble" vs "no wobble" of the BEKANT desk in this thread are fascinating.

Last year, I played around with the BEKANT standing desk on display at the IKEA store and (in my perception) it wobbled. It's the same type of wobble that a youtuber demonstrated[0]. There are others in this thread that complain about wobble.[1]

And yet some people say there's no wobble -- and I believe them.

My attempted explanation to reconcile the Schrodinger's Cat dual reality is that people must have a different threshold for sensing a noticeable wobble.

Is the dress blue or white? Does the BEKANT desk wobble or not wobble? Depends on the observer.

[0] deep link: https://www.youtube.com/watch?v=n3sYS0xUq1E&t=230

[1] https://news.ycombinator.com/item?id=19020722

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#99
post #59
post #2

This has received the infamous HN hug of death. Any chance anyone has a working archive link?

Whatever happened to The Coral Cache? It seemed like such a great idea, but I have a 0% success rate with it. I suppose I've answered my own question, but did it ever work? Am I using it wrong? And if it's simply that it can't fetch overwhelmed sites any better than we can, then could we help it by pinging it automatically for any link submitted to HN, enabling it to populate its cache before the hordes arrive? http:…

Generally sticking a CDN automatically in front of any site posted isn't great because you're taking away all the potential ad revenue and flattening any dynamically generated elements to the site blindly.

Re: Open-Source Controller for the IKEA Bekant Standing Desk

#100
post #26

Earlier quoted context omitted.

The main change would be to the power supply, as the esp8266 has a far higher (~300mA) peak current than the ATTiny814 used (~3mA). Currently, an LDO provides 3.3V from the 24-35V motor supply. This would need to be changed to a buck DC/DC regulator, as a larger LDO at this voltage would need too big a heatsink for the case.

You should be just fine with a cheap lm1117 and no heatsink, that's what most people use with esp's. Also that's peak current from the radio, which for IOT things is generally very short. EDIT: Wait I meant from 5v, nevermind!

as you note with your edit, most usages aren't going to be dropping from >24V.

> Also that's peak current from the radio, which for IOT things is generally very short.

this is the interesting bit, though.

if you're releasing an open source board design, to have customizable firmware dropped on to it, what do you really know about the radio usage when you're designing the circuit/board?

safest is to spec it for maximum draw on any controller/radio. write the BOM to call for one of the three-terminal drop-in switching regulators ($5), and if somebody knows what they're doing they can put in the original linear part and save $4.50.

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