2021-03-14.log

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+ alex4nder (~alex4nder@38.126.71.49)03:58
+ B[] (~Thunderbi@219-89-228-78-adsl.sparkbb.co.nz)04:17
- B[] (QUIT: Ping timeout: 260 seconds) (~Thunderbi@219-89-228-78-adsl.sparkbb.co.nz)06:17
jackhillmntmn: Fanless desktop would be cool. In general the more types of things that take the Reform SoM the better to create a richer space for alternative modules :) I'm personally, not interested in an all-in-one Desktop. A thick tablet would be pretty awesome though. Something with a PixelQi-like screen would neat: https://en.wikipedia.org/wiki/Pixel_Qi06:17
jackhillI also don't have the desire for an for an integrated battery in deskopt/servers. I can use external batteries there, but if you wanted to make a stand alone LiFePO4 battery, I'd like that :)06:19
jackhillFor pointing, I'm interested in seeing what the Reform trackball/trackpad would be like in a stand-alone enclosure.06:20
jackhillFor server-type stuff, I'm currently waiting on a https://www.crowdsupply.com/traverse-technologies/ten64 unfortunate about the networking firmware on those those :/06:20
+ odnes (~odnes@109-178-149-239.pat.ren.cosmote.net)08:31
+ wiedi (~wiedi@2a01:138:a015:15:e9d5:2708:3a40:9356)10:21
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+ B[] (~Thunderbi@219-89-228-78-adsl.sparkbb.co.nz)12:33
mntmnhmm traverse looks pretty cool, too13:58
mntmnnot oshw though > we are unable to make the design fully open hardware for commercial reasons14:00
mntmnat least you get schematics14:00
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- erlehmann (QUIT: Read error: Connection reset by peer) (~erlehmann@dynamic-046-114-038-139.46.114.pool.telefonica.de)16:26
+ erlehmann (~erlehmann@dynamic-046-114-035-105.46.114.pool.telefonica.de)16:43
swivelin the same vein of PixelQi, a fully sorted epaper alternative display for the reform would be really neat18:33
swivelthat'd instantly make it my preferred mobile programming machine i'd take camping/to the beach18:34
eeryisn't epaper an intellectual property minefield?18:36
swiveli don't think so?  maybe there's proprietary blobs when it comes to driving the display with the special waveforms for achieving accurate shading, but you can also just ignore that and be happy with legible-enough results18:39
rvensei think there's only one company producing it, and that that has something to do with "ip"18:42
swivelages ago i shared an office with someone from the amazon kindle team on the firmware/OS side, he told me back then the main reason we don't see epaper used in larger displays is the mass production method hadn't figured out how to make anything wider than what kindles were using18:46
swivelsomething about the screen being poured onto a narrow conveyor where it solidified, so it could be arbitrarily long in one dimension, but rather narrow on the other, which is the width of the conveyor, because when they went wider with that technique it would become nonuniform in thickness18:48
swivelbut we're coming up on a decade later and I've seen ~14" epaper monitors discussed on HN18:49
rvensethat's interesting19:07
rvensei've heard of 30" onces19:07
rvenseat least i think they were19:08
swiveloh there are definitely large sizes available, but they're so expensive because they can't be produced as trivially in huge quantities as the smaller ones19:10
swivelthis is why you can easily find small ones for your rpi and tablets are so common19:11
swivelunfortunately it looks like it'd prolly still be cost prohibitive for a reform display :(19:12
rvensei bought one of those inkplates, which is an esp32 plus a recycled kindle display19:12
rvensei haven't done much with it, but it's pretty good19:12
swivelrvense: what'd that cost you?19:13
rvensehttps://www.crowdsupply.com/e-radionica/inkplate-619:13
rvensethey just made a 10" version that i kind of wanted to get, but i didn't have a use for it19:13
rvenseyou can also buy from their online shop, ships from croatia19:14
swivelthat's not too bad, recycled display ftw19:14
swivelthese are presumably new https://framelabs.eu/en/product/artframe-9/  450euro19:14
rvenseyeah it makes me feel less guilty about having bought one without using it, haha19:15
swiveland the DASUNG monitors are still $$$$19:15
rvensethat's pretty19:16
rvenseoh, yeah, but i think they also have a lot of electronics in them19:16
rvensefor hdmi19:16
rvensei think they do some kind of "change detection" to do partial updates? but i might have dreamt that up19:16
swivelwell I'd be thrilled to have the DASUNG panel in a reform chassis, if it could be done without breaking the bank19:17
swivelprolly, the kindle has an option for that too19:18
rvensefor partial updates?19:18
swivelyeah19:19
rvensethe arduino library that the inkplate ships with has it. when you draw something you can just ask it to only redraw the parts it's actually drawing to19:19
swivelit has an incremental rendering mode, maybe it was a setting hidden behind a developer mode window, been a while19:19
rvenseand that's very fast19:19
rvenseit's a very different feeling to the flashing you get when you do a fullscreen redraw19:20
swivelit accumulates error as you turn pages eventually becoming messy, but it's instantaneous, eventually it does a full refresh19:20
swivelyeah the flashing is jarring19:20
rvensei've never actually sat down to read anything on a kindle, don't know if i'd get used to it19:21
rvensebut it was weird, because the very first impression of seeing the screen, i was floored, the viewing angles etc., it seemed magical for a few seconds19:22
rvenseand then i flipped the page and it kind of ruined it immediately19:22
+ rasmus-mk (~rasmus@c83-253-223-217.bredband.comhem.se)19:22
rvensethat was aages ago though19:23
swiveli have a backlit kindle voyage which has crazy high ppi compared to my thinkpads, it's kind of amazeballs to read books on, especially laying down since there's no bulk to it like the thick books i tend to read19:24
rvensebut as all terminal geeks i love the idea of an e-ink terminal19:24
swivels/backlit/frontlit/  actually, i think19:25
rvensei was trying to read an old fashioned book while eating breakfast this morning and it wouldn't stay open19:25
rvensethat was annoying19:26
swivelright19:26
swivelyou get over the page turning refresh vs. all the benefits19:27
rvensei know a lot of people love them19:28
rvensethe reform display is edp, right? so you'd have to put some brains in there19:31
swiveli belive so yeah19:32
rvensethere's probably a bunch of work to do there19:32
rvenseif you want it blob free19:32
swiveli don't know the details of interfacing with one, but fundamentally it's like any other lcd panel aiui, the secret sauce is in the modulating to arrive at specific shades, but you can drive it in a dumb way and still get relatively legible results, though my ex colleague said there was some risk of damaging the eink without using the proprietary blob that used the right waveforms19:36
swiveljust instead of the lcd cells filtering light, they attract/repel the pigmented blobs in the eink layer, sorting them from front to back19:39
- rasmus-mk (QUIT: Quit: Konversation terminated!) (~rasmus@c83-253-223-217.bredband.comhem.se)21:18
- B[] (QUIT: Ping timeout: 260 seconds) (~Thunderbi@219-89-228-78-adsl.sparkbb.co.nz)21:49
- odnes (QUIT: Remote host closed the connection) (~odnes@109-178-149-239.pat.ren.cosmote.net)22:46
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+ erlehmann (~erlehmann@dynamic-046-114-035-105.46.114.pool.telefonica.de)23:12
ex-parrotswivel: you need to be a bit clever about selecting the drive waveforms, and doing enough "clearing" etc to stop a charge building up on the panel23:38

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