Testing the J-CPU64 - Mail and donations - June 2024 - A8Pico cart and other goodies
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- Опубликовано: 25 июн 2024
- June 2024 Mail and donations. If you have something you want to see on this channel, contact me!
Contents:
0:00 Intro
0:42 A8Pico cart
2:23 DAC modules
3:02 ESP32 Wroom board
4:03 DIN-connectors and soldering the 1581
6:12 Enameled wire
8:46 Switches
9:26 3M thick silicon tape
10:42 ESP32 ideaspark
11:45 Spectrum +2 video cable
12:56 J-CPU 64 testing
19:08 Logic chips
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Наука
Nice! That J-CPU64 looks like an absolute winner. 🥇
I will need to order one too and make a video as I torment it with some weird code.
I'd be interested how it responds to any undocumented opcodes used in popular software. If you find exceptions, you should make a video showing it so that they can improve it.
You should!
❤❤❤
1:40 No knifes are needed. Look at the other end of the bag and you can see a tiny notch you use to tear open the bag 😄
Norway is beautiful.
Cold in winter and full of mosquitoes in summer.
Not much mosquitos here actually. Depends on the landscape.
How to test for aluminum: Sodium Hydroxide or ferric chloride will dissolve it. If it's copper it'll be unaffected.
I think making aluminium look like copper for a wire this fine would lead to an overall more expensive product. But also aluminium has about 75% of the current capacity of copper, so it would be perfectly fine for just about any application you are likely to use it for anyways.
To test for copper, make some fine shavings with a sharp knife. Sprinkle the shavings into an alcohol or natural gas flame using tweezers. Blue/green sparkles should be produced or the flame will momentarily turn blue/green. Aluminum will not cause this effect but rather brilliant white sparkles.
Ok, thanks :)
If you order 10 pcbs of the a8 Pico Card from your sponsor and Order 10 of the Pico clone Boards with 16 MB flash ram IT will cost you around 60 bucks for 10 Pico carts which makes 6 to 7 bucks per device. 35 Euro that is expensive....
Yes of course. But I am not into selling. I don't have time for that :)
First writing a comment on a video of one of the best retro channels! Chears from Germany!
Wow, thanks! Cheers!
Hi Tommy, Great mail and donations video again. Question: do you check if the chips are real or fake? Greetings from Steven from the Netherlands
I check them in a tester before I use them. So far I have been lucky with all chips, except maybe some op-amps I got a while back.
@@Arcticretro Thankx for your answer.
I wonder if all those smd components on the bottom are level shifters to bring it from 3.3v to 5v
Might be. I did not take a close look
35 euros for a bare PCB and a €3 RP2040 clone is not cheap.
Well, it was including shipping and no taxes. I guess if I bought it from a foreign seller I would end up with higher price.