Building a new NES in 2021! Opentendo build guide and demonstration

We recently received an NES that was destroyed by a failed mod attempt. Instead of giving up and throwing it in the trash, we transplanted its heart and soul into a brand new open source NES motherboard, using as many new components as possible. Let's see if we can make an (almost) new NES in 2021!
Check out 1uprestorations.com for more video game console repairs and mods!
Links:
github.com/Redherring32/OpenT...
github.com/mspinksosu/NES-Pow...
Opentendo board:
www.muramasaentertainment.com...
DAN601: www.utsource.net/itm/p/117216...
UPA64H: www.utsource.net/itm/p/690925...
2SA937 : www.ebay.com/itm/2pcs-2SA937R...
2SC2021: www.ebay.com/itm/2SC2021-Orig...
30pF trimmer cap: www.aliexpress.com/item/33041...
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[@redherring3253]

Ayy awesome to see someone making a video of my work, thanks a bunch! Regarding the BOM error; that has been fixed in my latest release I put out 9 days ago, so anyone building this in the future will get the correct part. As for the power/reset button connector, my latest release also has a JST footprint for that, which I will be making a new button board to plug into, and I will also be offering a PCB to attach a JST connector to motherboards that do not have the footprint.

[@LIRetroGaming]

First, thank you for making this project! I never would have gotten that original NES working without your board, and it felt good to build a video game console from the ground up with my own hands. Glad to hear that the BOM mistake has been fixed and the new PCB is a good solution for people who don’t have access to a parts board like I did. Thanks again for your work!

[@redherring3253]

@@LIRetroGaming Oh I should also add that I've been working on a replacement for the RF/video board, I believe I'm nearing finishing it after which it'll be on my GitHub. It's nothing fancy, it has a composite amp for the video, has a pot for expansion audio tuning, and allows the use of MicroUSB for power. It's designed to be no-cut, and I've also designed it so the MicroUSB port is on a small daughterboard so it can eventually be exchanged for daughterboards with other style USB ports if desired. (I.e USB C, USB B etc)

[@Robertkopp84]

@Redherring32 Are you planning to make a fully upgraded variant with rgb and controller reset or something like that?

[@omfgbunder2008]

@@redherring3253 a host A port should easily fit in the original ac jack, and is less likely to be ripped off the board from being plugged in a bunch of times forums.nesdev.com/download/file.php?id=19739&mode=view

[@redherring3253]

@@Robertkopp84 I do not plan to, no

[@dillonrios4391]

God It hurts knowing will never be able to explain to most how cool this really is

[@iivarimokelainen]

there are multiple whole communities of people who are doing this a preserving this stuff. why "most" need to know how cool this is? we each have our slice of knowledge and interests. you'll never know 99% of the cool stuff in the world, like all people.

[@magoid]

21:50 I grew up with a NES clone, a top loader one. About 10 years later I decided to buy a original NES (before prices skyrocketed). I had a problem with the seller, since he took about 2 weeks to send it. So when I got it, I inserted the cartridge, closed the lid, pressed power and nothing... First thought was that the SOB had send me a broken NES. A couple minutes later, I realized you had to lock the cartridge down after inserting it... Good thing none of my friends was around to laugh at me :-)

[@Z64sports]

@@SnakebitSTI RF in general isn't that bad on a CRT it's just the top loader itself has bad RF out. Also my front loader actually is starting to work better with the games not pressed down with some games

[@thisisaloadofbarnacles]

We need more things like this for the sake of preservation. I love it! Thanks for sharing man.

[@LIRetroGaming]

Agreed, the more options there are for preservation the better!

[@MrBorderdown]

Not really. The NES mister core is accurate and more accessible.

[@badreality2]

You: Holds a circuit board by its pins. Me: "Do you... want an alcohol wipe?"

[@the79]

You should look up the "Nintoaster" video. The guy who made it might have some things in it that might help. If nothing else, you will be entertained watching him build, in his words, "..... pointless crap!"

[@SyphistPrime]

That's cool that one of these exists for the NES. I've seen one for an Amiga before. Glad people are putting in effort to make things like this possible, because this turns preservation into just keeping a couple of chips rather than maintaining a whole board and all components attached.

[@LIRetroGaming]

Yes I have seen the new Amiga and Commodore boards and I'm happy that this is also possible with the NES. A big help for preservation and also a really fun project! There would have been no other way to fix that ruined NES

[@robertlawrence9000]

Wow! Really nice work! I look forward to seeing the rest of this build!

[@thepeternetwork]

This is the kind of video that I find oddly satisfying.

[@-X3R0]

Journey to Silius music was some of the best of its kind and very nostalgic for me so thank you for the blast to the past.

[@LIRetroGaming]

Yeah I really love that music. Glad you enjoyed the video!

[@Vermilicious]

It's nice to see someone had good luck with that repro-board. It's really great that someone took the time to design it, and I hope someone also does the power/video unit, and who knows, possibly modify the design to have an RGB/HDMI mod right on the same board.

[@LIRetroGaming]

I'm currently working on completing that power/video board, and if I get that completed I will definitely make a follow up video and release the info

[@shiku316]

yeah i would have thought that stereo and maybe some quality of life hacks would be implemented.

[@tonecv]

Make a version HDMI output and extra Famicom sound channel !!!

[@kemy6775]

I thought he would’ve just gone straight for HDMI or RGB solution with the extra sound channels like you mentioned.

[@slipangle3027]

This new board comes with the Famicom sound channel enabled by default.

[@Budch]

I think RGB mode is already pretty good

[@SilverSpoon_]

that would be smart, or at this resolution, just adapt the video chip's output directly to RGB so you can plug it to any monitor, from a SCART TV to any decent monitor.

[@Budch]

@@SilverSpoon_ Nintendo produced machines that had PPU outputting the RGB

[@HAGSLAB]

Great video and very cool open source project! It's so great to have projects like these to be able to rescue as many old consoles as possible.

[@LIRetroGaming]

Thanks so much, and I’m really glad you enjoyed the video

[@GUM2291]

I rarely comment but I just have to say thanks for pushing me into actually soldering. I've always been scared but looking at you doing it gave me courage. My point is I've never soldered in my life and I've been watching your videos for a long time. So me watching you do all this had me purchase the DCHDMI and looking at it had me shook. All the points were small. I went ahead despite being worried and I actually got it to work. Boy my excitement was out this universe. Now I think I will push for doing other tinkering. Just wanted to say thanks and cool that you are in NY

[@LIRetroGaming]

I really appreciate that and it means a lot to me. That’s a big part of why I do these videos, I want to encourage people to learn how to diagnose and repair consoles so that they can be preserved. And of course, modifying them with new functionality is also amazing and you should be proud that you got that DC digital installed!

[@GUM2291]

@@LIRetroGaming i really am excited about. Just out of work and I am going to play with it a bit. Great videos. You gained another fan here

[@GUM2291]

@@industrialvectors thank you so much for taking your time to reply. I will actually do that. Thank you for that tip

[@nivek367]

The best restoration I have ever seen.

[@Graylord88]

One thing I always do is instead of soldering the chips straight to a board, I solder sockets instead, that way you can replace parts if needed/wanted with ease and can easily fix mistakes.

[@shadowbird42333]

Internet hivemind, is there a downside to doing it this way? It sounds convenient for some projects.

[@electronerd]

@@shadowbird42333 costs non-zero dollars, mostly

[@BrunodeSouzaLino]

It's not worth it for Nintendo stuff, since most of the chips on the board are proprietary.

[@ChengGaos]

@@shadowbird42333 Doing that is a waste of time and in the long run you will regret it, because as any component you mount that way, as cartridges, memories, etc, you will need to clean contacs because it causes a lot of failures. Mounting sockets is just for projects you can arrange easily, you never use sockets in a closed electronic as a final work, the worts idea ever, everything must be soldered.

[@meggs4breakfast70]

@@ChengGaos Electronics technician chiming in here to second this. Only ever socket projects that are either unfinished prototypes or that you plan to go back to often. If the project is finished and you don't expect to have to go back to it, solder straight onto the board.

[@banonymous404]

*Nentendo legal has entered the chat*

[@spicydeath82]

patents on old hardware are expired.

[@drawingsmusicandmagic7696]

Great work man!

[@aaron71]

Never heard of this till now, ordered one! Looks like a really fun project. BTW, you should put a soundtrack playlist in your description! Love the tunes

[@LIRetroGaming]

Yeah definitely, I will add the music to the list next time. For what it’s worth, it was music from Bucky O’Hare, Journey to Silius, Gimmick, and Castlevania 3

[@Dakobah20]

@@LIRetroGaming good i was actually trying too have google identify the sounds for me the first one is my jam

[@raelik777]

Get yourself a Blinking Light Win kit, and get rid of the "zero insertion force" toaster-style connector. Converts it to just push the cartridges straight in.

[@delimitnc]

Know of anywhere it's in stock?

[@raelik777]

@@delimitnc HEH that's the tough part, I can't find any either :D :D

[@johnjohnston265]

when i ordered one it took months but they eventually sent me one from the main site. I think they just wait for a certain amount to make them.

[@mrb692]

I have a BLW and find it annoying to use, as the force to remove a cartridge is way too high. I need to use one hand to hold the nes and my fingertips to wiggle the cart back and forth till it comes out. My old replacement connector was such that you didn’t have to push the cart down, and it worked perfectly fine. Unless they redesign the connector tension, I’d rather replace the 72 pin whenever needed than deal with the BLW death grip every time I wanted to change games.

[@raelik777]

@@mrb692 Yeah, that's a pretty common issue with them. What I did with mine was took a basically irreparably damaged cart (Kirby's Adventure in my case. It was well-cleaned, but had had corrosion that ate through a couple of the contacts enough that they lost continuity) and did a bunch of insertion/removal cycles to loosen it up a bit, and also pushed the pins down slightly with a pick. It's still relatively tight, but it's totally manageable. Even when it was really tight, the best method I found was to wedge my fingers between the front corners of the cart and the walls of the slot, and apply pressure that way. Took a little wiggling, but I can remove it one-handed by the cart "tab" now that I've loosened it a bit.

[@Dygear]

Dude, this is awesome! I'm also on Long Island. Shocking how many good KZbin channels are showing up on the Island. Subbed!

[@LIRetroGaming]

Thanks! I appreciate it!

[@abdelazizkara2352]

Your video did my day dude, thank you.

[@PokePikaProject]

Amazing project! Love it!

[@DJMicroNaught]

This is such a cool project! I'm loving that Journey To Silius music too, it's one of my favorite games!

[@greecoboost]

I was wondering what NES game those tunes were from. Thanks for the info!

[@exxor9108]

What level was this one played on?

[@DJMicroNaught]

@@exxor9108 I don't think all the music in this video is from Journey to Silius, but for sure the song played at 9:14 is the opening theme from the game.

[@exxor9108]

@@DJMicroNaught Ah, okay. I knew that was one track of the game, because of the Sunsoft PCM bass.

[@joshmiller887]

My luck, I’d have gotten to the end, plugged it in and it would have done absolutely nothing. Lol. Great job!

[@LIRetroGaming]

Thanks! It was a really good feeling to power it on and see that everything worked!

[@TheTurnipKing]

That's actually the normal expected outcome with a self build.

[@DeadlyVenomKing]

Nice clean work

[@bluefalcon224]

Beautiful Video! I agree with a new 2021 Case. Maybe something acrylic and LED lit as is the 2021 style! Excellent Job!

[@rgavilanes01]

That’s awesome, it makes me want to learn soldering, and purchase a broken nes.

[@R3TR0R4V3]

That's really cool! Might have to give this a shot someday. 😎 Excellent job!

[@LIRetroGaming]

I recommend it, it was a fun project!

[@MoxiePoss]

It would have been interesting if you'd used the game Micro Mages for the testing, brand new NES game that came out in 2018.

[@LIRetroGaming]

I need to try that game, I heard it’s pretty awesome

[@alfiegordon9013]

@@LIRetroGaming it is amaaaaazing

[@RyuFalchionX]

Oh man. This is absolutely incredible.

[@LIRetroGaming]

Thanks!

[@bobingabout]

11:44 When I used to design PCBs, I used to basically do the same thing. Put a Square pad on one end. usually on the negative side of a capacitor, or LED, but sometimes other components too.

[@LIRetroGaming]

Yeah I always appreciate that - it’s very helpful

[@MarshalArnold]

That's awesome! Great work, I didn't know there was an open source anything for the NES, very cool!

[@LIRetroGaming]

Thanks, glad you enjoyed it!

[@CarlosRafaelMartinez]

The Bucky O'Hare song!!!! this was my first game in nes!!!! Good Video!!!!

[@LIRetroGaming]

I love this game as well, and it has one of the best soundtracks in the NES library

[@Captain_Dark]

I was wondering what this was about. I saw it on Twitter good video thanks for clearing that up.

[@LIRetroGaming]

Thanks! Definitely a fun project if you have a busted nes that you want to restore

[@user-yk1cw8im4h]

damn this project so cool, how did I never heard of this before

[@dimitrimotor2861]

great and I also thought about knowing something about it, I especially know how you created that slot can be played for the game, also play from other countries or name-a-task games or even what to do if it breaks

[@robkelly9258]

Wow this man has so much skill with the soldering iron, great job

[@LIRetroGaming]

Thanks, glad you enjoyed it!

[@HoZKiNZ]

this looks fun af

[@makingtechsense126]

Awesome build!

[@LIRetroGaming]

Thanks, glad you enjoyed it!

[@jaimecosta2966]

Brilliant video

[@LIRetroGaming]

Thanks, glad you enjoyed it!

[@dragoncracker]

the inverter referenced at @16:50 is how nintendo boosted audio levels

[@LIRetroGaming]

Thanks! Really good to know

[@marcuskobel6562]

Great stuff!

[@ShadowSumac]

This is just amazing!

[@SumeaBizarro]

video game fans never cease to amaze me

[@SuperHamsterGaming]

When I saw your thumbnail I thought it was a Nesessity board. I eventually plan on assembling a Nesessity board live so I came to check out your video. I didn't know there was another new NES board out there.

[@LIRetroGaming]

Yeah I think these were released right around the same time. I definitely want to make a NESessity board in the future!

[@AgeofReason]

This was fn cool man.

[@azuzastreet9087]

Excellent video. Subscription added! Btw, hope all is well in long island for you...Long Island is my grandmother's home!

[@LIRetroGaming]

Thanks for the sub and good to hear that you have a connection to Long Island! It's a great place with a wonderful retro gaming community

[@j.m.ratkos5319]

after installing all of the components, you can spray the bottom of the circuit board with westley's bleech white and scrub it gently with a soft bristle brush to remove all of the flux to clean up the board. then rinse with hot water and let dry (or blow off with an air compressor).

[@LIRetroGaming]

Thanks, that’s a great suggestion!

[@carlwillows]

Great video! Thanks

[@LIRetroGaming]

Glad you enjoyed it!

[@ethandoesit4209]

awesome video dude, I'm glad this way in the recommended video on one of the stonemoutain64 vids I happen to watch. def subbing and liking

[@LIRetroGaming]

Thanks so much, I appreciate it and I’m glad that you enjoyed the video!

[@wmbauer2]

Now OpenSource PS5 please. Because availability of regular PS5 is rather bad.

[@PopfulFrost]

(Psst, that's called having a decent gaming PC. ... Granted, that's actually the MORE expensive option, so.)

[@lowbudgetify]

An open source PS5 board wouldn't do much good because even Sony can't get a decent supply of the APU chips, LOL

[@ArtisChronicles]

@@lowbudgetify hah stuck with a near useless board. That would be unfortunate.

[@Jurgh909]

Should be doable, if you source a destroyed by failed mod attempt PS5 first, and take the CPU, GPU, APU, basically all the proprietary stuff and microsolder it onto another blank board, along with some diodes and resistors, and VOILA, you can claim you made a NEW PS5 in 2021. Do you make your own new car if you source a used engine and used chassis and fit new seats, wheels, tires, steering wheel, shift knob, pedals and wipers and all the other stuff you can source generically?

[@vgrepairs]

Why? The ps5 is trash.

[@kendiacono1570]

The power connecter you could use either a male to female usb3 connector or a 5 pin molex m/f

[@rockey_exe]

very interesting project

[@LIRetroGaming]

Glad you think so! This was a lot of fun to complete

[@Mchenrygames]

Nice video. The posibilities are endless. Someone should make replica NESes using that design.

[@jordanl5444]

I like the idea, aside from them having to cannibalize original units for the proprietary components

[@kibagami25]

good job buddy. very cool. :)

[@lamtatyan]

Now this is exactly what we retro-gamers want for the fixation of classic gaming consoles. Thanks for your sharing! Good job!

[@thephenomenal1720]

Great Channel Keep it Up!

[@gametourny4ever627]

Very awesome video. Make it RGB out and connect the AV Famicom/Snes/N64/GC video/ audio out.

[@waltberger7885]

Wow that a fun video to watch, i wish my eyes were good (I cant imagine trying to solder some of those small parts). Glad ya got it workins. Im impressed. :-)

[@LIRetroGaming]

Thanks! This was a lot of fun to work on and I’m glad you enjoyed the video

[@craigmcghee4]

This music kicks ass

[@FriggOff361]

Thats one big rectangle drill bit they mustve used

[@meunaimharouj6325]

Incredible

[@nsxfever9513]

Super cool 👍

[@meer1120]

Opentendo board + NESRGB + NES I/O 1.5 (no-cut) + Blinking Light Win + NullCIC + Transparent NES Shell = Ultimate new NES build

[@warpeggioslab]

Interesting stuff! If you can handle all that thru-hole soldering, you'd probably find EasyEDA pretty easy to use for that RF module.

[@LIRetroGaming]

Cool, I’ll definitely have to check that out!

[@74LS_NE555]

7:36 *resistance*, resistance is for resistors, impedance is really for opposition to ac (inductive / capacitive loads not purely resistive loads as a resistor). Thanks for the content, great channel.

[@LIRetroGaming]

Thanks for that clarification, as I have used the terms resistance and impedance interchangeably without knowing that there's a difference. I'm a scientist by training but not an engineer, so I'm always trying to learn and I want to use the correct terminology. Glad that you enjoyed the content!

[@jonalecsales4241]

7404 is an inverter it turn any input to reverse polarity example input 1 is equal output 0

[@Xhaledk]

Great video! Awesome to watch. So sad I only knew 2 og the 4 music tracks. (Bucky O'Hare & Castlevania III)

[@LIRetroGaming]

The other two are Journey to Silius and Gimmick

[@eireian4939]

Awesome 👏

[@phanominon]

I'm so ordering this. I have 2 NES's that need overhauled. I will be ordering the recap kit for the audio board as well as I will be using the original as well. Thank you so much for this!

[@1MrPooney]

Buckey O'hare has one of the best NES OST.

[@LIRetroGaming]

Absolutely. Konami made some incredibly good tracks

[@Overdose140]

Instead of RGB an S-Video option would be cool. Would still probably require at least one surface mount Analog Devices component. Wouldn't be too hard to surface mount that.

[@anumeon]

Ahh, the music from Journey to Silius. :) Boy that was a hard game for young me.

[@LIRetroGaming]

Yeah I really love that game

[@Andrew-dy7oy]

That's really neat. I am kind of surprised that there is ram that works "slow" enough (if that is a concern). I think if I did this I might take the ram as well from the old system since it is there.

[@alpzepta]

I freaking love this! Some day there will be a new Sega 32X

[@LIRetroGaming]

That would be awesome, I certainly hope so!

[@noodles4773]

pretty cool its like the analoge nt

[@yukisaitou5004]

I was going to subscribe anyway, but I had to do it immediately when the Gimmick tune started playing :3

[@LIRetroGaming]

I had to include that song - I love Gimmick!

[@tetsujin_144]

I wish I could get a legit copy for not a crazy amount of money. Great game and great use of expansion audio, too

[@n.stephan9848]

Great video! I didn't even knew this existed. BTW, what is the music you used in the soldering montages?

[@LIRetroGaming]

Thanks! The music was from Bucky O’Hare, Journey to Silius, Gimmick and Castlevania 3

[@TheMikeyb86]

Wicked! Noob question: Why ceramic capacitors instead of electrolytic?

[@LIRetroGaming]

Ceramic caps and electrolytic caps have a few different properties, so in some cases one type or the other is more appropriate for a circuit. In this case, I was using ceramic vs. electrolytic depending on the designers specifications, and it also matches what Nintendo did with the original design

[@TheMikeyb86]

@@LIRetroGaming great answer for a Noob like me. Completely understand.

[@Abandoned2377]

we need more stuff like this. this we people who want to use original hardware can update their consoles forever.

[@LIRetroGaming]

Definitely! I hope more projects like this get developed

[@s3np411]

Pretty interesting. I'd like to see one that can do rgb out.

[@LIRetroGaming]

That is something I will be adding to mine so there will be an update in the future!

[@Raditude]

I figured you would have cut the pin on the lockout chip, and done a cartridge slot mod for durability. Otherwise a very cool project.

[@LIRetroGaming]

I thought about doing that with the lockout, and I might still do the cart slot mod. There's definitely an update for this project in the works!

[@BGrasmick2000]

This.....very cool.... What I would like to see on this is the ability to add the Nintendo multi-out that they had on everything from the SNES thru Gamecube (and I think the toploading version of the Famicom). Also the ability to make this a top loader would be pretty sweet.

[@LIRetroGaming]

Adding a multiout is definitely possible, especially in combination with the NESRGB. But the board isn’t really designed for top loading. However a blinking light win would address the issues that people have with the 72 pin connector

[@Sparkette]

A console gamer's answer to building your own PC

[@pixeltao]

Thanks for making those awesome and really helpful videos! I finished the NESessity with NESRGB and it works great and I'm now building an Opentendo. One question/detail about expansion audio on the Opentendo board: The resistor is marked as 100K ohms, but a 47K ohm resistor is normally recommended for this mod (or something between 24K and 56K). Did you notice if the 100K ohm makes the expansion audio volume sound too low?

[@LIRetroGaming]

Awesome, congrats on completing your NESessity! Regarding the Opentendo, I did find that 100k was a little too quiet and I eventually switched it out to 47k like you mentioned. Let me know when you finish that Opentendo project as well!

[@pixeltao]

@@LIRetroGaming Excellent, thanks for the clarification!

[@2Plus2isChicken2013]

This was really cool to see. It’s way beyond my skill level since I don’t know how to use a soldering iron, but these classic consoles should definitely have more life breathed into them. The 8, 16 and 32-bit console eras were the best times for video games as far as I’m concerned. Too bad the top shell has a big hole in it, but the system works. Great job! I’m surprised someone is making motherboards for old consoles like this, too. Can you add the HDMI mod to it like with the original boards?

[@LIRetroGaming]

Thanks, I’m glad that you enjoyed it! Yes the hdmi mod can be added to this, but they are no longer being sold. Hopefully a new version of that mod will be available soon!

[@mattswanton3927]

17:34 Best track in Akumajou Densetsu!!!

[@LIRetroGaming]

Completely agree!

[@SuperLuigiGuy64]

Nice work! Have you ever looked into the NESessity motherboard from low_budget? His comes with a separate new pcb for composite/power and replaces the old ext port underneath the motherboard with a famicom one. 🙂 That's what I used to repair my front loader Nes.

[@LIRetroGaming]

Yes I have seen that as well and it’s a nice option. I think the only way to purchase it is through low_budget, and I might try making one of those some day as well

[@SuperLuigiGuy64]

@@LIRetroGaming Cool 👍🏼

[@destindude1978]

The 74HCU04 is a Hex Inverter

[@AnotherUser1000]

Very good work! But about the modded video board, did you consider cutting some traces away from the RCA connector that is inverted and put some external wires to the correct points?

[@LIRetroGaming]

Thanks, glad you enjoyed it! Unfortunately there were too many problems with that custom board so I am working on making my own

[@raikoh05]

I would love to buy a complete kit and try this myself

[@LIRetroGaming]

I recommend it, it’s definitely a fun project!

[@thepuzzlemaster64]

Never heard of the opentendo project before, but I find it really cool, as it could make these old consoles live way longer! Are there other open source PCB replacements for other old consoles?

[@LIRetroGaming]

I don’t know of any other open source PCB replacements but I hope that more get made!

[@jasonharkrider8172]

First time watching your channel but have you thought about an HDMI mod. Some of them replace the existing power but I'm not sure on the AV side if you would still need the old part if you want AV out still.

[@LIRetroGaming]

Definitely, that’s something that I am considering

[@philexile2954]

Wow . . . Could this be a Drakon special edition?

[@Meubeu1]

Just found your channel, really cool content, and cool project too ! Maybe you found what you were looking for since, and I'm kinda too lazy to go through the comments, but wouldn't Borti's NES I/O do the trick for the video module? Thanks for the video Edit : just saw you used it in another video, nevermind me haha

[@LIRetroGaming]

Thanks, glad that you enjoyed the video! If I was also installing NESRGB, then Borti's board would be perfect

[@Meubeu1]

@@LIRetroGaming Right ! I wasn't sure if it was possible to use it without NESRGB, fair enough, thanks for the answer :)

[@Chaos89P]

I believe the 6500 series and 2A00 series chips are still being made. That PPU chip is most likely proprietary like you said.

[@LIRetroGaming]

The NES CPU is a Ricoh 2A03 which is 6502 compatible but not a one to one match. They are no longer made but there is a clone ship which is pin compatible. However it does have problems including byte swapped audio

[@rs.matr1x]

If they made a design that fits in a toploader shell I'd be interested. Or an FPGA NES board that goes in a toploader shell. Maybe in one of those cheap ZOHO NOAC cases.

[@jamesvonblitza7395]

Excellent build. I was working on salvaging an old nes saw this video. So is it just a board swap or does it have a little emulater?

[@LIRetroGaming]

No there is no emulation going on, it’s just a swap. So the original chips were installed from that old Nintendo which gives it complete compatibility with an original Nintendo

[@TheWisemanwilson]

Great video. could you name the music you used when you started soldering please

[@LIRetroGaming]

It’s from the game Bucky O’Hare. The others are from Journey to Silius, Gimmick, and Castlevania 3