DIY RTC Game Boy Flash Cart!

How to:
Convert a Japanese Pokemon Gold or Silver GB/C cart into a re-usable Flash Cart with a working Real Time Clock! Essential for the many Pokemon hacks including Prism.
Parts and pre-built units are available in my store BennVenn.com
Visit BennVennElectronics for my latest projects

Пікірлер: 97

  • @olive3505
    @olive35055 жыл бұрын

    I’d use more flux. Probably cuz I’m a Rossman fan.

  • @stellarorbit1341

    @stellarorbit1341

    4 жыл бұрын

    Ayyy. I was thinking the same thing. Rossman loves him some flux.

  • @nightfox6738

    @nightfox6738

    4 жыл бұрын

    If the pins aren't submerged in flux you're not doing it right. - Things I've learned from Louis Rossmann's videos btw you spelled his name wrong :P

  • @moth.monster
    @moth.monster6 жыл бұрын

    Drag soldering is crazy. I really need to get some flux.

  • @tmykrai3270
    @tmykrai32704 жыл бұрын

    @2:35 Him: And apply the hot air again. Dog: Hooman peas feed me😢

  • @johnraymondt.domingo4105
    @johnraymondt.domingo41055 жыл бұрын

    wow your soldering skills is good.and flawless

  • @-HDR
    @-HDR6 жыл бұрын

    Oh, you're on youtube now, awesome :D

  • @TheModShopCO
    @TheModShopCO6 жыл бұрын

    I normally go with castellated pads for stuff like this, and I've seen your final version of this PCB which also has castellations but I have to say I've never thought of this nor have I seen it done this way but I really like like it.

  • @MrMikeHawkey
    @MrMikeHawkey4 жыл бұрын

    Really enjoyed watching you mod this cart. You make surface mount soldering look really easy. I wonder whether the cost of sacrificing a Pokémon cart would make it cheaper to buy an after market flash cart?

  • @sirtinley-knot2944
    @sirtinley-knot29443 жыл бұрын

    Soldering Level 100

  • @thump3r
    @thump3r5 жыл бұрын

    i have 1 of these but i cant figure out how to flash this with the joebagg gen 3. how do i flash this?

  • @Chloe_Priceless
    @Chloe_Priceless Жыл бұрын

    Nice, im also actually in Japan for 2 more weeks .. and i now will grab some pokemon Editions .. i got all GB/GBC Versions so far for my Collection .. but now i will grab some more to get some spare parts for the convertion to putting the german roms on it .. they are cheap here .. between 550 and 880 yen per Card.

  • @jamesdavies686
    @jamesdavies6862 жыл бұрын

    When will your store restock the conversion board?

  • @Dre3ed
    @Dre3ed5 жыл бұрын

    What temperature do you have your hot air gun at ?

  • @IoIxD
    @IoIxD5 жыл бұрын

    Are the parts not on your website anymore?

  • @ZeliusDev
    @ZeliusDev4 жыл бұрын

    what flash chip do i need? for making this flashcart with pokemon silver japan version i know that you can a AM29F016 and an adaptor with pokemon crystal version

  • @aaronspacee
    @aaronspacee5 жыл бұрын

    where do i get the EEPROMs

  • @tomkennes9572
    @tomkennes95725 жыл бұрын

    Do you also have a clip on how to prepare and flash the rom to the card?

  • @TuncayAyhan

    @TuncayAyhan

    4 жыл бұрын

    tom kennes Search for “Makho” on KZread

  • @verylongchannelhandle
    @verylongchannelhandle5 жыл бұрын

    after that,how do we program it with the game?

  • @contrivational7470
    @contrivational74705 жыл бұрын

    hi mate im in Perth, are you posting from aus? and what do i need, in order to put roms on a diy flash cart? i have pokemon silver. do i need a skookum kaart programmer?

  • @ZeliusDev

    @ZeliusDev

    4 жыл бұрын

    hey mate use a GBxCart RW from insidegadgets.com its an australian site too which is good cause we both aussies

  • @AndehX
    @AndehX4 жыл бұрын

    I have some MBC3 carts (Mary Kate & Ashley Pocket Planner and Tottoko Hamutarou) Would these be suitable for rom hacks like Prism?

  • @nine1690

    @nine1690

    3 жыл бұрын

    Yes! MBC3 is the only unique component of an RTC-enabled GBC cartridge. Everything else, as long as the wiring is done properly, is completely fine as long as its similar data sizes, which a mod like this should be more than enough

  • @rolfmuller3345
    @rolfmuller33455 жыл бұрын

    I dont understand where the New Chip is coming from, that you solder on

  • @TuncayAyhan

    @TuncayAyhan

    4 жыл бұрын

    Rolf Müller do you still need an answer?

  • @marcusbeach1762

    @marcusbeach1762

    4 жыл бұрын

    @@TuncayAyhan Not rolf but yes

  • @nyrbsamoht

    @nyrbsamoht

    3 жыл бұрын

    @@TuncayAyhan makho is the most helpful DIY gameboy channel ive ever seen edit Bennvenn is good too!!

  • @TuncayAyhan

    @TuncayAyhan

    3 жыл бұрын

    nyrbsamoht I totally agree. I’ve made his Sanni GB cart reader v1.2b and 3 flashcards from Japanese Pokémon games with RTC with the help of Makho & BennVenn Kinda bummed that they have beef right now because they had there differences. Hope they can get along again.

  • @smeeth6808

    @smeeth6808

    2 жыл бұрын

    this, does anyone know? the video is not very clear.

  • @ilovekatsumi
    @ilovekatsumi5 жыл бұрын

    So if i turn a .gbc file to text and code these to it will it turn to the gbc game i coded?

  • @JacklapottTv

    @JacklapottTv

    5 жыл бұрын

    yes

  • @ButtholioTheGreat
    @ButtholioTheGreat3 жыл бұрын

    does anyone know where to find one of these adapter boards anymore?

  • @ethanquinn1477

    @ethanquinn1477

    3 жыл бұрын

    Osh my man oshpark.com/shared_projects/5S5OQRXm

  • @ethanquinn1477

    @ethanquinn1477

    3 жыл бұрын

    different soldering setup though www.jrodrigo.net/wiki/how-to-diy-a-gameboy-flash-cartridge-with-a-rom-adapter-board/

  • @smeeth6808

    @smeeth6808

    2 жыл бұрын

    @@ethanquinn1477 thank you

  • @smeegle
    @smeegle4 жыл бұрын

    will this work with non jp carts? i have an australian model somewhere that i want to convert

  • @slugmilk4063

    @slugmilk4063

    4 жыл бұрын

    it should but english carts have a much higher demand so you'd be a total asshole to mod one

  • @nine1690

    @nine1690

    3 жыл бұрын

    Sell it and buy another MBC3 game

  • @smeegle

    @smeegle

    3 жыл бұрын

    @@slugmilk4063 the cart is dead (The actual rom chip has had something dropped on it, and it's cracked) Edit: clarification

  • @grim_9124
    @grim_91246 жыл бұрын

    How does that work? Is that a flash-prom?

  • @bennvennelectronics

    @bennvennelectronics

    6 жыл бұрын

    リリー yes, it is flash. It can be reprogrammed with compatible hardware like my Joey

  • @Weshinay
    @Weshinay4 жыл бұрын

    Hey good night, how do you record the room on this new chip?

  • @nine1690

    @nine1690

    3 жыл бұрын

    BennVenn sells the Joey Dumper/Flasher, works with mods like this and a large variety of Chinese bootlegs as well

  • @Weshinay

    @Weshinay

    3 жыл бұрын

    @@nine1690 well I went to his BennVenn website, there’s nothing else, we’re looking to make changes but there’s nothing you don’t have anyone else to do as a recorder for gbc and gb?

  • @CashMoneyCrane
    @CashMoneyCrane6 жыл бұрын

    Is there a way to make a readable / writable flash cartridge with a Japanese Pokemon crystal?

  • @bennvennelectronics

    @bennvennelectronics

    6 жыл бұрын

    Super Saiyan Machoke does it use the same PCB type?

  • @CashMoneyCrane

    @CashMoneyCrane

    6 жыл бұрын

    BennVennElectronics yeah, but the Rom chip is a 44 pin instead of 32, also it uses the mbc30 mapper chip

  • @bennvennelectronics

    @bennvennelectronics

    6 жыл бұрын

    Super Saiyan Machoke ahh the fine pitched rom. I've got a board board designed but due to the fine pitch it isn't very diy friendly. I'll do a small run and see how popular they are. The crystal PCB design would make it worth the effort IMO

  • @CashMoneyCrane

    @CashMoneyCrane

    6 жыл бұрын

    BennVennElectronics do you know anything about the mbc30 mapper? I've been searching and can't find anything. I think pocket monsters crystal is the only one that uses it and can't find how it differs from mbc5

  • @CashMoneyCrane

    @CashMoneyCrane

    6 жыл бұрын

    BennVennElectronics from what I gathered the mbc 30 supports the RTC that the mbc3 does and at the same time supports the ram size the mbc5 does. Kind of a hybrid of the 2, I think

  • @snake66333
    @snake663335 жыл бұрын

    Is there anyway to do this on gbc games I’d really like to do it on Pokémon crystal?

  • @jonathancerutti2546

    @jonathancerutti2546

    5 жыл бұрын

    Was wondering if u figured out how to do this on crystal? I would like to do the same

  • @TuncayAyhan

    @TuncayAyhan

    4 жыл бұрын

    You can, but you need a different chip underneath. Search for TSOP 44

  • @ithaca2076
    @ithaca20765 жыл бұрын

    2:32 did you just fart?

  • @shaneray5626

    @shaneray5626

    4 жыл бұрын

    Lmao 😂

  • @emmettturner9452
    @emmettturner94525 жыл бұрын

    I don’t see these on the shop. :(

  • @IoIxD

    @IoIxD

    5 жыл бұрын

    Apparently even the parts to make the damn thing aren't in stock.

  • @emmettturner9452

    @emmettturner9452

    5 жыл бұрын

    IoI xD Yep. Very frustrating. :(

  • @Y34RZERO
    @Y34RZERO6 жыл бұрын

    Is there a way to do this with US carts for like red/blue. I have several copies of blue.

  • @NikhilGarlapati

    @NikhilGarlapati

    5 жыл бұрын

    If you have several copies I'll trade one of these carts for a good english copy of blue

  • @obrebel0
    @obrebel08 ай бұрын

    can the wires be removed after flashing the new rom chip?

  • @bennvennelectronics

    @bennvennelectronics

    8 ай бұрын

    for that pcb type, you need to leave the wires there

  • @obrebel0

    @obrebel0

    8 ай бұрын

    @@bennvennelectronics what about for pokemon Crystal? I'd like to remove the wires after it's flashed.

  • @bennvennelectronics

    @bennvennelectronics

    8 ай бұрын

    The WE pad you can connect to 5v, you can't leave it disconnected. The upper Address line must be connected if using more ROM than the cart originally supported. If you're not using more, that too can be connected to GND, but don't leave it disconnected.

  • @jordananderson8299
    @jordananderson82994 жыл бұрын

    But how do you even flash these things?

  • @nine1690

    @nine1690

    3 жыл бұрын

    BennVenn's Joey

  • @Negative_Clover
    @Negative_Clover Жыл бұрын

    Seeing this now hurts my soul

  • @Gizmo613
    @Gizmo6133 жыл бұрын

    Isn't that flash ic 3v? Would that be safe to use since the Gameboy is 5v?

  • @r36373
    @r363734 жыл бұрын

    What flux product are you using?

  • @jamesdavies686

    @jamesdavies686

    2 жыл бұрын

    Any half decent quality tacky flux in a syringe will do. MG chemicals, Amtech, Chipquick, etc.

  • @RetroDarioGaming
    @RetroDarioGaming4 жыл бұрын

    and how to we play pokemon rom hacks with it i mean wheres the sd card

  • @TuncayAyhan

    @TuncayAyhan

    4 жыл бұрын

    Retro Dario Gaming You don’t have a SD card. You flash the card as a whole with a new rom. Search for “Makho” on KZread

  • @giovannig.624
    @giovannig.6242 жыл бұрын

    Where can I buy this chips?

  • @bennvennelectronics

    @bennvennelectronics

    2 жыл бұрын

    we no longer sell them in our store but I believe there are other people still making similar boards.

  • @giovannig.624

    @giovannig.624

    2 жыл бұрын

    @@bennvennelectronics I live in Brazil, so it is a little hard for me to find a product that ships to me. Do you happen to know any of these cards selling on ebay?

  • @bennvennelectronics

    @bennvennelectronics

    2 жыл бұрын

    @@giovannig.624 You could try search for HDR cart?

  • @giovannig.624

    @giovannig.624

    2 жыл бұрын

    @@bennvennelectronics Tried... no success hahahaha

  • @Poppamunz
    @Poppamunz3 жыл бұрын

    Can this be done with English versions too?

  • @Bleats_Sinodai
    @Bleats_Sinodai4 жыл бұрын

    I wish there were flash chips with wi-fi built in so you could remotely access them to put roms in them.

  • @TheCustomFHD

    @TheCustomFHD

    3 жыл бұрын

    Esp32 i would say or an esp8266

  • @mario1000001
    @mario10000013 жыл бұрын

    and it works?? the game I say

  • @ThatReviewerGamer
    @ThatReviewerGamer5 жыл бұрын

    Couldn't be a bad game? Do we HAVE to use a Pokemon cartridge? 😟

  • @bengrimmett1239

    @bengrimmett1239

    5 жыл бұрын

    These were the cheapest and most plentiful mbc3 cart available. Usually less than $2 each delivered from Japan.

  • @meowow7518

    @meowow7518

    5 жыл бұрын

    where do you buy them from? I looked up prices of pokemon red on the japanese amazon and they were over 10k yen/100 usd edit: I know it wasnt red in the video but I thought for some reason that red was the same generation as the one shown in the video so I thought it'd be fine eventhough it is said in the video to only use silver or gold my bad

  • @bengrimmett1239

    @bengrimmett1239

    5 жыл бұрын

    @@meowow7518 it's not red, look for gold or silver on eBay.

  • @IAMSolaara

    @IAMSolaara

    5 жыл бұрын

    @@meowow7518 if you look on amazon it's prolly a different story. I never use amazon for games prior to 7th gen

  • @IAMSolaara

    @IAMSolaara

    5 жыл бұрын

    Just use ebay or something like PlayAsia that imports games

  • @gamersinacontainer
    @gamersinacontainer5 жыл бұрын

    Eeeeeeh. This is cool and all but you can just buy a GBC flashcart without destroying a rare game.......

  • @1stfloorguy59

    @1stfloorguy59

    5 жыл бұрын

    Why is it rare?

  • @Dakotaf1998

    @Dakotaf1998

    5 жыл бұрын

    Japanese Pokemon games aren't rare. English versions are way more rare. I buy all of my legit Japanese games from a flea market and they sell every game for about $5.

  • @rolfmuller3345

    @rolfmuller3345

    5 жыл бұрын

    Some people just want "authentic" cartridges for their romhacks/mods

  • @slugmilk4063

    @slugmilk4063

    4 жыл бұрын

    > 3rd best selling game on original gameboy and the 1st best selling game on the gameboy color > rare lel [Edit] Actually, most gbc flashcarts that use rtc ARE made out of modified japanese gold/silver carts already, meaning that if you buy one you're still supporting "destroying ""rare games""" 🤔

  • @slugmilk4063

    @slugmilk4063

    4 жыл бұрын

    ​@@rolfmuller3345 it's not for authenticity, it's for the Real Time Clock function that's why JP gold and silver are always used for this mod, they're the cheapest and most common game to use the RTC

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