| 17 May 2022 |
 forple#2000 | has anyone tried to make an alternative? | 19:40:30 |
 rondnelson99#5674 | If you want to post your pics, there's a wiki page of bootlegs somewhere with pics of boards, with the intention of documenting which are reflashable. | 19:40:45 |
| rondnelson99#5674 | I don't know of a straight replacement for Gekkio's site though. It would be cool if it was a part of gbdev.io but those guys have enough on their plate already | 19:41:36 |
| rondnelson99#5674 | Imma try and find that wiki page | 19:41:49 |
| rondnelson99#5674 | Ah, it's flashcartdb.com from InsideGadgets | 19:43:36 |
| rondnelson99#5674 | * Ah, it's (flashcartdb.com) from InsideGadgets | 19:43:50 |
| rondnelson99#5674 | * Ah, it's (flashcartdb.com] from InsideGadgets | 19:43:59 |
| rondnelson99#5674 | * Ah, it's [flashcartdb.com] from InsideGadgets | 19:44:07 |
| rondnelson99#5674 | * Ah, it's flashcartdb.com from InsideGadgets | 19:44:13 |
|  Motley#0454 changed their display name from Motley to Motley#0454. | 20:55:09 |
|  Beatscribe joined the room. | 21:53:40 |
|  @californiatokens:matrix.org joined the room. | 23:20:26 |
| 18 May 2022 |
|  [Arg]Artifacks! joined the room. | 02:29:58 |
| [Arg]Artifacks! | Hi, anyone knows if i can use an LM7809 regulator on a DMG for a backlight led strip? I live on a shitty country and cant access to foreign products | 02:29:58 |
 lidnariq#1779 | Probably not? The only power supply in a DMG that's higher than 9V is the -19V backlight bias, and it's unlikely capable of sourcing enough current to drive LEDs brightly enough | 07:19:42 |
| lidnariq#1779 | Probably the best cheap plan is to use the 6V 4xAA batteries directly to drive the LEDs, and adjust the number of LEDs in series so that works | 07:21:56 |
|  Otesunki#9535 changed their display name from 2pi42n2c-u23prcnwueyboycbwqpwbun#9535 to Otesunki#9535. | 08:03:13 |
| @californiatokens:matrix.org left the room. | 10:50:06 |
|  @billykin:matrix.org joined the room. | 12:40:36 |
 nitro2k01#5984 | Which country? | 15:15:16 |
 PinoBatch | In particular, is it Argentina where ax6 also lives? | 15:22:15 |
 ax6#0162 | you can access foreign products here; they just tend to be expensive because of a weak currency and high tariffs | 16:10:16 |
| lidnariq#1779 | * Probably not? The only power supply in a DMG that's higher than 9V is the -19V backlight LCD contrast bias, and it's unlikely capable of sourcing enough current to drive LEDs brightly enough | 16:20:34 |
| @billykin:matrix.org left the room. | 16:21:15 |
 Bucket Mouse | More audio testing
I switched the power supply of the attiny/neopixels to the 3.3V supply (linear regulator off of 5V rail). Still just as noisy. Adding diode didn't help.
Added a 5V boost to add some inductance in-line, and it barely made a difference.
Then I used a converter off of the battery supply to power the LEDs, and it helped a good amount. But at high volumes you can still kind of hear it. So not totally eliminated. I think because it's so low frequency, it's hard to filter out or prevent totally.
My next idea is to try a separate power supply specifically for the audio amp. I noticed the IPS screen introduces a background white noise, and while quiet, I'm interested to see if running the audio amp off a separate supply might squash that too | 22:16:22 |
| Bucket Mouse | At this point I'm being nitpicky, because turning off the LEDs during gameplay makes it sound fine. The backlights are more for a display mode anyway | 22:16:45 |
| Bucket Mouse | * More audio testing
I switched the power supply of the attiny/neopixels to the 3.3V supply (linear regulator off of 5V rail). Still just as noisy. Adding diode didn't help.
Added a 5V boost to add some inductance in-line, and it barely made a difference.
Then I used a converter off of the battery supply to power the LEDs, to keep the supplies separated as possible, and it helped a good amount. But at high volumes you can still kind of hear it. So not totally eliminated. I think because it's so low frequency, it's hard to filter out or prevent totally.
My next idea is to try a separate power supply specifically for the audio amp. I noticed the IPS screen introduces a background white noise, and while quiet, I'm interested to see if running the audio amp off a separate supply might squash that too | 22:17:33 |
| Bucket Mouse | * More audio testing
I switched the power supply of the attiny/neopixels to the 3.3V supply (linear regulator off of 5V rail). Still just as noisy. Adding diode didn't help.
Added a 5V boost to add some inductance in-line, and it barely made a difference.
Then I used a converter off of the battery supply to power the LEDs, to keep the supplies separated as possible, and it helped a good amount. But at high volumes you can still kind of hear it. So not totally eliminated. I think because it's so low frequency, it's hard to filter out or prevent totally.
My next idea is to try a separate power supply specifically for the audio amp. I noticed the IPS screen introduces a background white noise, and while pretty quiet and not distracting especially just through the speaker, I'm interested to see if running the audio amp off a separate supply might squash that too | 22:18:11 |
 FroggestSpirit | As far as the audio generation goes, it's played at the CPU's native frequency, right? Not mixed down to something like 48khz? I had a thought of trying to emulate this in a raspberry pi pico, considering I got it to play some GBS files, but I figured trying to mimic the GB's hardware would probably sound better than software mixing at a lower sample rate | 23:56:18 |
| FroggestSpirit | It sounds like the rp2040 can do up to 32-bit DMA to peripherials, which sounds like it'd be more than enough to set the pins | 23:57:15 |
