I made a VGA card that blew my mind

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bitluni

bitluni

11 ай бұрын

It was time for a new VGA board and with a new peripheral we can get amazing resolution and color fidelity. Let me take you on a journey how a new product comes to life.
(ad) Check out my sponsor Aisler at aisler.net/?... and get 5€ off with the coupon code "boardluni".
Link to details how to use the manual bridges community.aisler.net/t/bridge...
Get the board here: www.tindie.com/products/edit/...
Some first code here (lib in the making): github.com/bitluni/ESP32-S3-VGA
Materials and Tools (affiliate links):
ESP32 S3 Modules: aliexpress.bitluni.net/s3modules
ESP32 S3 N8R8 Dev Board: aliexpress.bitluni.net/s3devB...
Carvera CNC: link.bitluni.net/makera
Preheating Station: aliexpress.bitluni.net/heatin...
Ultrasonic Cleaner: aliexpress.bitluni.net/cleaner
Soldering Mat: aliexpress.bitluni.net/mat
Tweezers: aliexpress.bitluni.net/tweezers
Low Temp Solder Paste: aliexpress.bitluni.net/lowTem...
Flux: aliexpress.bitluni.net/flux
Colorful Pin Header: aliexpress.bitluni.net/pinHeader
SMD Resistor Set: aliexpress.bitluni.net/RSet
THT Resistors: aliexpress.bitluni.net/resistors
THT Capacitors Ceramic: aliexpress.bitluni.net/caps
Electrolytic Capacitor Set: aliexpress.bitluni.net/elecCaps
Breadboard Set: aliexpress.bitluni.net/breadb...
Pink (and other) LEDs: aliexpress.bitluni.net/pink
SMD Leds (incl. pink): aliexpress.bitluni.net/smdLed
My camera and lens (4k 60fps): amazon.bitluni.net/gh5
Zoom H6 Audio Recorder: amazon.bitluni.net/h6
plz share :-)
Live Channel: / @bitlunilive
Github Sponsors: github.com/sponsors/bitluni
Patreon: / bitluni
Channel membership: / @bitlunislab
Paypal: paypal.me/bitluni
Twitter: @bitluni
reddit: u/bitluni
Discord: / discord
#electronics #maker

Пікірлер: 538
@bitlunislab
@bitlunislab 7 ай бұрын
The board is available now: www.tindie.com/products/edit/esp32-s3-vga/
@raw_000
@raw_000 7 ай бұрын
Replace "edit" with "bitluni" in the URL, otherwise theres a log in prompt to try to edit the entry.
@johnhorton3727
@johnhorton3727 4 ай бұрын
I just got mine delivered, haven't had time to play around with it but super excited. Great job as always bitluni.
@nitram509
@nitram509 4 ай бұрын
Hi, since the boards are sold out, is there a chance you share the schematics, please? As a workaround, I thought ordering standard S3 DEV kits and attach the resistor array via a VGA breakout board.
@antibrevity
@antibrevity 11 ай бұрын
"Hidden under several convoluted abstraction layers" is an accurate description of high-level microcontroller development.
@bitlunislab
@bitlunislab 11 ай бұрын
if you browse the github it gets really strange especially as with the versions there seem to be some major redesigns in the recent versions. and the latest one didn't propagate to arduino yet. and the main search always takes you to the head revision
@marcogenovesi8570
@marcogenovesi8570 10 ай бұрын
@@nosferratu (crying in java dev)
@Girvo747
@Girvo747 10 ай бұрын
ESP-IDF is both really useful, and the bane of my existence at work :’) the GitHub issues list and commit history paints some wild pictures…
@HyperDevv
@HyperDevv 10 ай бұрын
@@marcogenovesi8570 cries in breadboard
@railgap
@railgap 10 ай бұрын
correction: ALL modern development for all compute platforms
@radnukespeoplesminds
@radnukespeoplesminds 11 ай бұрын
Its really incredible what people have done with the esp32 series of boards.
@supernova86
@supernova86 11 ай бұрын
I designed a product with the S3-WROOM-1 to drive a 320x240 24 bit color LCD with integrated capactive touch screen! CAN and USB Interface included :P
@Really2950
@Really2950 11 ай бұрын
Not “people”. Its bitluni. He is an old school genius. No one else has done what he has, a cut above the rest.
@Rx7man
@Rx7man 10 ай бұрын
@@supernova86 I'd love to know more about the CAN aspect of that, I haven't been able to get CAN to work on mine and it's kinda important to an automotive project I have
@darekmistrz4364
@darekmistrz4364 10 ай бұрын
@@Really2950 You are wrong, there are many engineers that are doing great stuff with ESPs and for some of them you don't need half as much knowledge
@Girvo747
@Girvo747 10 ай бұрын
@@Really2950Bitluni is a champion! But no, there are plenty of people doing amazing things with these SoCs including at my work. Sadly a lot of it is hidden away in commercial products though.
@MrRaizada
@MrRaizada 10 ай бұрын
There was a time in 1990s or late 80s when entire companies were spun around developing just VGA. Tseng labs, Trident, Video 9 etc come to mind.
@llothar68
@llothar68 10 ай бұрын
Who has not developed for Tseng ET4000 chips in this days. Still remember this good old days when all hardware was 100% understood.
@yrath5034
@yrath5034 11 ай бұрын
7:10 "there is also a complete loss of sync every few seconds" & 7:17 "this interrupt jitter moment is where some screens lose the sync completely (congrats on finding these texts :-) "
@colinstu
@colinstu 11 ай бұрын
THANK YOU
@SianaGearz
@SianaGearz 11 ай бұрын
Damn this Luni and his subliminal messages! 10:26 don't let you fool by the mode name; it's more like 40fps.
@martincerny2938
@martincerny2938 10 ай бұрын
The way you handle the stencil is making me shiver. Hope you're using lead-free solder my dude. You have that stuff all over your workspace.
@EShirako
@EShirako 10 ай бұрын
@@SianaGearz :D Thanks, that one was bugging me, I couldn't spot it and it wouldn't pause on that frame!
@tim_remote_eater
@tim_remote_eater 10 ай бұрын
@@EShirako on a PC, when the video is paused, you can use the full-stop and comma keys to advance one frame forward and back
@AndyGraceMedia
@AndyGraceMedia 11 ай бұрын
This is just brilliant. God-mode hardware hacking. Talk about pushing the S3 to its limits - even Espressif must be impressed with this. Now I'm off to watch all 4 hours of your livestream part 3.
@bitlunislab
@bitlunislab 11 ай бұрын
i think part 2 was the one with 720p
@DraconianError
@DraconianError 10 ай бұрын
LCD Manufacturers should hire you. Congrats sir
@FreezeS
@FreezeS 11 ай бұрын
Just a quick note, from experience. Do not put vias in pads. The solder paste will get sucked into the via and the pad will not be soldered properly. Doesn't happen all the time but if you have a big production run it can mess up a lot of boards. It might even be that the pads make electrical contact but are not properly soldered and after they reach the customer the pin is moved a little during transport and doesn't make contact anymore.
@prozacgod
@prozacgod 11 ай бұрын
I saw him do that, and it set off my !! reflex, but I couldn't tell you why, I was like "wait, should you do that?" Good catch! I'm glad there's some experience around here helpful for us 'homegamers'!
@JohnSmith-iu8cj
@JohnSmith-iu8cj 11 ай бұрын
Depends I think if they fill the holes in the vias then its ok. Castellated holes its called I think
@SireSquish
@SireSquish 11 ай бұрын
I know just enough to understand the question, but not quite enough for the rest. Where was he using the vias? Is he using a throughhole as a via?
@absalomdraconis
@absalomdraconis 11 ай бұрын
​@@JohnSmith-iu8cj: Castellated holes are something different. Filled vias can be either tented (with soldermask or something), or receive extra solder.
@kwinzman
@kwinzman 10 ай бұрын
Which timestamp shows the error?
@DaT0nkee
@DaT0nkee 11 ай бұрын
S3 was a VGA manufacturer. First i thought you connected an old S3 VGA chip to the ESP32, then i realized it is the ESP32-S3.
@matyasnyilas
@matyasnyilas 11 ай бұрын
I'd like to say A HUGE THANK YOU for what you're doing! You're an absolute god in the maker community.
@jonasniesner
@jonasniesner 11 ай бұрын
Great project, you are really squeezing everything out of the ESP32-S3. The new formfactor for boards with PSRAM is great. No need to have different footprints anymore. They now also sell one with 32MB of flash. I am thinking about using that one for OpenEpaperLink because it would allow for local storage of a lot of pictures.
@jnharton
@jnharton 10 ай бұрын
If you need lots of local storage you can probably just add an SD card? On-board flash is nice, but it probably adds a lot cost/unit space.
@Spritetm
@Spritetm 11 ай бұрын
Fyi, the ESP32S3 RGB interface doesn't support the APLL because there is none in the chip, sorry. Next chip perhaps again :) I'll also see if I can convince the digital team to add the few bits you need for the higher-res modes in new hardware; even if VGA isn't that much in demand, I can see someone glueing TDMS converters to an ESP32 to get a DVI/HDMI solution.
@bitlunislab
@bitlunislab 11 ай бұрын
yeah I figured ther is none 😅. as far as I remember the apll was always prone to errors. maybe too much to take the risk any longer. hardware tmds would be neat 🤩. but adding just another bit to total vertical lines might be even good for actual tfts. this weird shift with ring buffers from psram in large resolutions in 8bit is worth investigating... didn't have time to look into it too much. maybe fixable with a hack making the last buffer a different length for this chip if it's constant 🙈 hope you didn't take the criticism to harsh. you know I love you guys 😘
@Spritetm
@Spritetm 11 ай бұрын
@@bitlunislab Critisism is no issue, we're aware that there's limitations in our chips; you simply can't think of all use cases everyone will think up, and sometimes you don't have time or overlook things when designing stuff. The shift wrt psram is a known issue; someone below already mentioned it: in the S3, we derped on figuring out that the bandwidth to external memory may be limiting, so some peripherals have weird behaviour when interacting with it and overloading the bandwidth: for LCD, the DMA just outputs zeroes. That's actually the reason why the driver uses an interrupt to start a new transfer, it stops any DMA weirdness from permanently offsetting the image as the interrupt 'resets' the DMA and LCD subsystem, so a glitch only lasts a frame.
@bitlunislab
@bitlunislab 11 ай бұрын
@@Spritetm reasonable solution. I think a comment in the code was indicating that. it was never meant to be used with the niche VGA. we all just try to massage some boundaries 😂 the high resolutions won't be useful anyways except for more or less static images and scrolling text since the bus is clogged and the blanks won't allow much updates in the framebuffer
@KallePihlajasaari
@KallePihlajasaari 10 ай бұрын
Dear @Spritetm Consider the needs of LaserMAME with ILDA as well. It would be great to have a compact solution on the market. "How is the ILDA connector pinout?"
@hstrinzel
@hstrinzel 11 ай бұрын
Absolutely brilliant work! Wow. You are squeezing out more of the ESP32 THAN ANYONE! Can Aisler (or YOU or anyone) sell fully assembled boards? I think it goes beyond my ability...
@MattKasdorf
@MattKasdorf 11 ай бұрын
I'm in the same situation, my hand to eye coordination just aren't what they use to be, I'd be looking for an assembled SMT device.
@bitlunislab
@bitlunislab 11 ай бұрын
actually you can order assembled pcbs. they support several major part suppliers. I used it on one of my projects before
@spashristov8618
@spashristov8618 11 ай бұрын
Hey, I have been playing with one lvds display and esp32s3 and I have hit the similar scrolling issue. The scrolling image was caused by bottleneck between the external ram and the esp. The LCD DMA is faster than the QSPI. The DMA pump zeros until data is available and after that continues with the valid data. You could try to clock the ram higher. At least in my case it helped :D
@bitlunislab
@bitlunislab 11 ай бұрын
how do you clock that? and where can I find your project 🤩 maybe I can prime the cache in the interrupt to get it ready in time. 🤔
@DadofScience
@DadofScience 10 ай бұрын
God damn, that is a beautiful bit of work. The detail you go into with the design iterations and troubleshooting is greatly appreciated. Valuable content.
@StephanEdelman
@StephanEdelman 11 ай бұрын
This reminds me a bit of the work that Fabrice Bellard (the ultimate hacker god) did producing an ATSC compatible HDTV modulated signal from a video card. You rank right up there, bitluni. Nicely done, really.
@mysticmarble94
@mysticmarble94 11 ай бұрын
Ohhhhh ... I just noticed 14:40 we have the same NEC MultiSync monitor. Always loved the display quality on that one. Unfortunately one of the buttons is loose on mine.
@xanokothe
@xanokothe 11 ай бұрын
this pcb service on europa looks pretty good 1 week boards are awesome, will definitely check it out
@zigfisher6592
@zigfisher6592 10 ай бұрын
Not bad at all :) I use JLCPCB. They make boards in 1 (one) day, then there is at least 5 days for delivery to Australia. The boards cost next to nothing, the DHL delivery is A$30 to A$50.
@ChannelJanis
@ChannelJanis 11 ай бұрын
Great job. Just popped up in my feed. I was just thinking about such a project. Years ago at university I worked at project to create a simple game on FPGA and output video signal to VGA. Team mates were a year ahead of me regarding FPGA programming, so I worked just on PS/2 keyboard interface. Now when I thought about ESP32, I did not expect it to me that complicated and thank god I had another project in progress and did not try to jump into this rabbit hole. Great job!
@Fahnder99
@Fahnder99 10 ай бұрын
brilliant! big thanks for the insides about syncing and such!
@moviewisdom5426
@moviewisdom5426 10 ай бұрын
SOoooooo cool. Can't wait to get my hands on THIS!! amazing work.
@rubenoscariglesias8004
@rubenoscariglesias8004 5 ай бұрын
Excellent video. As usual, is a pleasure practice electronics with you! Thanks
@magiceireann
@magiceireann 10 ай бұрын
Fantastic work Matthias, you are an inspiration to us all ❤
@BrokenCircuitRanch
@BrokenCircuitRanch 11 ай бұрын
Excellent work, Looking forward to trying this out.
@antonnym214
@antonnym214 8 ай бұрын
Beautiful engineering work. All good wishes.
@tejonBiker
@tejonBiker 11 ай бұрын
I really like to see graphics in embebed systems and this was a total pleasure to see
@DJdoppIer
@DJdoppIer 10 ай бұрын
Omg this stuff is incredible!
@jacquesb5248
@jacquesb5248 10 ай бұрын
awesome project! there will be lots of uses!
@scottbebe2310
@scottbebe2310 10 ай бұрын
Your video has answered my questions. Thank you very much for sharing this method that works for all platforms.
@mohamedgendia4274
@mohamedgendia4274 10 ай бұрын
You have made great work congratulations and thanx for sharing this ❤
@johboh
@johboh 11 ай бұрын
Inspiring project! I can recommend "Interactive HTML BOM plugin for KiCad" for generating the placement map when assembling. With this, you don't have to re-map the components at Aisler. And also great to see Aisler supporting your project, I use them all the time and their customer support is awesome :).
@aislerhq
@aislerhq 11 ай бұрын
Thank you for the compliment. We continually work on providing the best support. When the project is set up correctly, there is no need to re-map the components. Unlike other tools, we automatically sort the components in a way that eases the placement and reduces errors. And as an added benefit, you can order assembled boards with just a few clicks after your verified your hand assembled prototype works because all the data is ready to go.
@Chickenguy2
@Chickenguy2 10 ай бұрын
incredible, I can only dream at this point of developing the skills to complete a project like this
@pwnmeisterage
@pwnmeisterage 10 ай бұрын
No electronics project is complete without an evil cartoon villain laugh.
@labrat810
@labrat810 11 ай бұрын
Stuff like this is gonna be key in crystalizing a long-time dream: Analog high-refresh DIY large-format LED Display. I know it won't be me that makes it happen, but I keep seeing more 'parts' necessary to the concept, 'made real'.
@TheMason76
@TheMason76 11 ай бұрын
Sehr schönes Projekt. Sehr gelungen Echt klasse was du da machst. *thumbs up.... Kleiner Tipp (evtl kennst den schon) : Es gibt fertige R-2R-Netzwerke in SMD. Das macht die Sache vllt noch kompakter und genauer.
@l3p3
@l3p3 11 ай бұрын
Sieht aber nicht so komplex aus. ;-)
@Rouverius
@Rouverius 10 ай бұрын
Amazing. Great job!
@GrizzLeeAdams
@GrizzLeeAdams 11 ай бұрын
I had a similar problem with the footprint from KiCAD and ended up modifying it to have oval shaped holes for the outer rows of pins. That was enough to make it compatible with multiple cheap variants of VGA jack from the usual suspects. The next time I'm going to modify the footprint for the shield ground tabs to ovals as well, to make soldering those easier and use less solder.
@zombie-process7025
@zombie-process7025 10 ай бұрын
I hate when sites have "footprint" files that are just png images of the part. I end up having to import them into inkscape, scale them properly, make a proper SVG and import THAT, making sure it imports at the right size.
@marknhopgood
@marknhopgood 11 ай бұрын
Amazing video. Gives me inspiration and encouragement to go forward with my electronics journey. Also v funny with the rolling pin on the keyboard. Thank you.
@tombrothers9456
@tombrothers9456 8 ай бұрын
Love your content, have for years. Thank you 🙏
@tuanquynh0508
@tuanquynh0508 10 ай бұрын
Love your project.
@rageofhero
@rageofhero 11 ай бұрын
Vielen Dank für die Arbeit am ESP32 S3 VGA.
@Tarbard
@Tarbard 11 ай бұрын
Nice work. That Aisler software integration looks really helpful.
@aislerhq
@aislerhq 11 ай бұрын
Definitely give it a try!
@m1geo
@m1geo 10 ай бұрын
Shame they're soo expensive in comparison to other manufacturers.
@aislerhq
@aislerhq 10 ай бұрын
@@m1geo We recently improved our budget board portfolio so you get more for less money. And we are working on expanding our portfolio with more low-cost options, but I cannot give you more details at this point.
@-MrDontCare-
@-MrDontCare- 11 ай бұрын
This is amazing. Great work.
@VideoKillah
@VideoKillah 11 ай бұрын
I subscribed at "with blackjack and circular buffers". Love the ingenuity and hard work!
@jimmy21584
@jimmy21584 11 ай бұрын
Those Aisler tips are useful. I went looking for an EU-based board fab and found Aisler right here in Germany, and I’m planning on using them more. I’ve done a couple of board runs with them already for my ESP32 robot and I’m super happy with the service and results, not to mention the shipping time.
@Leif_YT
@Leif_YT 10 ай бұрын
Are they capable of doing long holes in the basic plans now? Last time I tried them my USB-C Ports would have made the board much more expensive because they didn't cover long holes in their basic plan. Went back to JLCPCB then, who don't have a issues with basic parts like USB-C Ports.
@AryaFairywren
@AryaFairywren 10 ай бұрын
@@Leif_YT they are capable of doing long holes in the basic plans now, since today =D
@aislerhq
@aislerhq 10 ай бұрын
@@Leif_YT Plated slots are now supported in the budget and blitz pool. :)
@lels3618
@lels3618 10 ай бұрын
the dithered color banding trick is AWESOME!!
@srxdex
@srxdex 11 ай бұрын
Your work is amazing
@hstrinzel
@hstrinzel 3 ай бұрын
Stunning to see how the small resistors literally solder themselves and align automatically under the heat gun. Amazing.
@TheOrganicartist
@TheOrganicartist 10 ай бұрын
mindblowning focus
@pipsqueak2009
@pipsqueak2009 11 ай бұрын
Incredible.. thanks for sharing
@ice2642
@ice2642 11 ай бұрын
Very cool! Congratulations.
@confuseatronica
@confuseatronica 10 ай бұрын
i really liked the big throughole resistor network, but i guess its also fun watching the smc resistors swim onto the pads when you heat it
@paulvv5632
@paulvv5632 9 ай бұрын
Oh eM Ef Geez! Such a simple and brilliant idea.. Its sad VGA is totally gone nowadays.. So much great stuff was made in this era.. Two thumbs up for you, this is fascinating. You got me feeling amazed as i was watching it happen with you. This is beautiful magic you done here friend. I want this :D
@diontarrant5805
@diontarrant5805 11 ай бұрын
you legend this is amazing. cant wait to try out your code when its done
@DanielLopez-up6os
@DanielLopez-up6os 10 ай бұрын
This is really Awesome.
@onecircuit-as
@onecircuit-as 11 ай бұрын
Beautiful work. 👍😀
@marcsmithsonian9773
@marcsmithsonian9773 10 ай бұрын
I love this guy, when ge laughed operating CNC, its simple adorable. Good enginering is just a bonus
@PCBWay
@PCBWay 11 ай бұрын
One more brilliant work! 👍👍
@MyAmazingUsername
@MyAmazingUsername 10 ай бұрын
This is incredibly impressive. The ESP32 is so weak yet very strong by retro computer standards. This is a very exciting project! :)
@TheBarretNL
@TheBarretNL 10 ай бұрын
Wow, awesome project!!!!!!!
@phil2768
@phil2768 10 ай бұрын
Blows my mind you do all this and still get time to watch Futurama!
@jackevans2386
@jackevans2386 11 ай бұрын
Great work ! Superb !
@bollie9752
@bollie9752 11 ай бұрын
Great work, great video!
@Redditard
@Redditard 10 ай бұрын
Now that's what a good sponsorship is!!
@4ndrej
@4ndrej 8 ай бұрын
0:53 the monitors setup looks nice
@David.C.Velasquez
@David.C.Velasquez 10 ай бұрын
Your works never fail to be impressive... Well done!
@husniiskandar5985
@husniiskandar5985 10 ай бұрын
amazing job 🙏👍👍
@BabaNamKevalamGames
@BabaNamKevalamGames 10 ай бұрын
man this is fantastic, i loved your content, i simply subscribed right way.
@rikvermeer1325
@rikvermeer1325 10 ай бұрын
Nice workshop!
@FixationwithCarnage
@FixationwithCarnage 8 ай бұрын
rolling pin on the keyboard was hilarious lol
@PhG1961
@PhG1961 11 ай бұрын
Amazing! I'm speechless!
@matrixfull
@matrixfull 10 ай бұрын
I have no idea what is this used for but I love your enthusiasm : ]]
@microcolonel
@microcolonel 10 ай бұрын
This has inspired me to build a VGA converter based on line resampling and a fixed clock DAC.
@trace9130
@trace9130 10 ай бұрын
I'm not even sure what this is for, but I watched the whole thing and it seems really cool.
@mikegofton1
@mikegofton1 11 ай бұрын
Outstanding skills !.
@barthanes1
@barthanes1 10 ай бұрын
Rolling pin on the keyboard is hilarious.
@MrKelaher
@MrKelaher 11 ай бұрын
I have one of your old boards - very nice indeed :)
@CAPTINKING
@CAPTINKING 11 ай бұрын
finally aisler makes some moves
@whoziee
@whoziee 10 ай бұрын
You sir, are pretty amazing!
@DerIchBinDa
@DerIchBinDa 10 ай бұрын
Really nice project! I started to develop for the ESP32-S3 as well for a retro-computer project to make it easier to replace software on a cartridge by WLAN and using its internal PSRAM for some extensions. Really nice powerful modules, just a bit too few GPIO imho but nothing that cannot be fixed with some fast muxing and bitbanging.
@andycynthia3604
@andycynthia3604 10 ай бұрын
The sound effects are so much fun. 😄😆😂😂😂
@KallePihlajasaari
@KallePihlajasaari 10 ай бұрын
Dear @bitluni This was a great design. Thank you for documenting it. I get the idea that you are clever enough to also do one for the ILDA system. It might become the most popular interface if you can conform to the specifications. The discreet clock speeds might be enough to allow the ramping of the voltages smoothly enough. Your buffer system could be used to repeat the vectors. There was a chap on YT that used a VGA port to control a XY scope way back when so the concepts are similar enough. Search for "How is the ILDA connector pinout?" for a basic rundown of the interface. LaserMAME is a thing.
@justaneric
@justaneric 10 ай бұрын
hacker mode!! nice content, I really liked it, i ended up subscribing
@andrewniles5390
@andrewniles5390 10 ай бұрын
this has got me excited as a potential method to make a game console using software emulation. keen to get a board when they are available
@colemickens
@colemickens 9 ай бұрын
I went "oh dear god" when I saw the thumbnail. Excellent story/video/project. And a new channel to sub to :D Lets go! Also, you sound like "the guy with the swiss accent" (Andreas Spiess), who also does a lot of embedded stuff. :D Thanks for the video!
@hoomansarrafan9843
@hoomansarrafan9843 10 ай бұрын
very nice project! btw I read in one of the datasheets provided by essperif that cleaning esp32 modules with unltrasonic cleaners may damage the internal crystal oscillator, I thought maybe you could take look into the matter.
@jonathanstein6056
@jonathanstein6056 8 ай бұрын
So cool!
@ultrasparc
@ultrasparc 10 ай бұрын
Delightful design. And memories of my old 800x600 Samsung CRT monitor + SiS6326 + Celeron 333MHz + NFS3.
@S0urceror
@S0urceror 11 ай бұрын
Great stuff!
@jsonslim
@jsonslim 10 ай бұрын
Super cool!
@andreschoen9180
@andreschoen9180 10 ай бұрын
Outstanding work & love the Hat tipping to the original "Amiga" shop Demo graphics. Now if you can just add Planar mode, a Copper & Blitter 8^) Cheers from Oz
@umop3plsdn
@umop3plsdn 10 ай бұрын
dude dude dude I NEEEEEEEED whatever that monitor setup is for programming right MEOW OMFG
@poptartmcjelly7054
@poptartmcjelly7054 10 ай бұрын
You can also PWM your LSB in the R2R ladder to multiply your DAC resolution by your PWM resolution. For example 8-bit PWM with a 8-bit R2R ladder can be combined to give 16-bit resolution.
@TalpaDK
@TalpaDK 10 ай бұрын
Seems to be a bit on the impractical side with a pixel clock above 25MHz and often closer to 40MHz, there would also have to be added some filtering to the signal to prevent "sub pixels" in the individual pixels on higher resolution monitors
@DFX2KX
@DFX2KX 10 ай бұрын
That is extremely impressive, doesn't seem like it'd be too hard to use one of these modules as the video solution to any number of DIY retro computers. VGA timing issues can cause some REALLY odd bugs. I remember having an old CAD/business graphics card which would do utterly bizarre things if the power in the house flickered at all, narrowed it down to Hsync going haywire when this happened. needed to restart to fix it.
@AC3handle
@AC3handle 10 ай бұрын
Speaking voice: calm, cool, almost robotic. soldering and milling voice: ABSOLUTE MAD LAD!!!
@Gunbudder
@Gunbudder Ай бұрын
back in my day, we bit banged VGA signals using nothing but an FPGA! and we liked it!
@dimeland2
@dimeland2 10 ай бұрын
this is simply amazing! congrats on the new version! what is your soldering method/paste? I am trying to ditch jlcpcb assembly and impressed with your result!
@0AThijs
@0AThijs 9 ай бұрын
Adapters are what I live for!
@ccricers
@ccricers 10 ай бұрын
I hope to use something like this one day. Working on an emulator that I'd like to run on bare metal, and having stable 60hz refresh rates is important.
@hikaru-live
@hikaru-live 10 ай бұрын
There are multiple HDMI encoder chips that takes the same input as your VGA resistor ladder and tolerates some clock jitter. You may want to create a version that replaces the VGA resistors with an encoder and emits HDMI.
@balachandran1559
@balachandran1559 10 ай бұрын
You need to make an in depth video series of how vga card works. Awesome vid❤. I wanna learn more. From coding bg I could understand some but not entirely😢
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