Search found 1940 matches

by XavSnap
Sun Nov 12, 2023 11:17 am
Forum: Welcome Area
Topic: Hello from France II
Replies: 4
Views: 4685

Re: Hello from France II

Welcome aboard Jean-Robert.
How is your fiend Yannick?
by XavSnap
Sat Oct 28, 2023 2:12 am
Forum: GAMES
Topic: Halloween Game "Spin the Skulls"
Replies: 1
Views: 4421

Re: Halloween Game "Spin the Skulls"

Thanks Greg,
Remember me a jackpot game.
:lol:

Good job.
Happy Halloween day...
by XavSnap
Sat Oct 21, 2023 5:16 pm
Forum: Development
Topic: A scanner for you Zx81/Specturm.[WIP/DIY]
Replies: 24
Views: 13233

Re: A scanner for you Zx81/Specturm.[WIP/DIY]

Motor speed: Cylinder max speed turn around 1 rotation per second. The speed variator can reduce this speed at -1/4= 0.75 rotation per second. 1RPS(Second) =60RPM(Minute) Cylinder to the motor: 40touth/8tooth= 5 multiplier. Motor to the cylinder: 8tooth/40touth= 0.2 multiplier. 60RPM x 5= 300 RPM 3...
by XavSnap
Fri Oct 20, 2023 11:02 am
Forum: Development
Topic: A scanner for you Zx81/Specturm.[WIP/DIY]
Replies: 24
Views: 13233

Re: A scanner for you Zx81/Specturm.[WIP/DIY]

The sound of a picture challenge : Simply link the resistor output on a cheap PC USB sound card (2$) to avoid burning the main inboard sound card... The positive or negative low frequency signals can destroy the sound card ! The voltage had to be less than 5v to avoid to saturate the sound card rec...
by XavSnap
Fri Oct 20, 2023 10:36 am
Forum: Development
Topic: A scanner for you Zx81/Specturm.[WIP/DIY]
Replies: 24
Views: 13233

Re: A scanner for you Zx81/Specturm.[WIP/DIY]

ATARI ST Card (article's PCB):
PCB_ATARI_ST_1.jpg
PCB_ATARI_ST_2.jpg

Kicad v.6 & Gerber files:
PCB_ATARI_ST.zip
(906.38 KiB) Downloaded 122 times
Note:
In the article, the component's side in the top view is false.
The photo gave the right component side.
by XavSnap
Tue Oct 17, 2023 4:05 pm
Forum: Development
Topic: A scanner for you Zx81/Specturm.[WIP/DIY]
Replies: 24
Views: 13233

Re: A scanner for you Zx81/Specturm.[WIP/DIY]

AMSTRAD CPC 464/6128 analog card:
Mageco_Carte8EA_AMSTRAD.jpg
GERBER/Kicad 6 project (NOT TESTED):
http://abandon.pcbs.free.fr/mageco.htm
by XavSnap
Mon Oct 16, 2023 12:42 pm
Forum: Development
Topic: A scanner for you Zx81/Specturm.[WIP/DIY]
Replies: 24
Views: 13233

Re: A scanner for you Zx81/Specturm.[WIP/DIY]

For the AMSTRAD CPC 464/6128: (using a photodiode BWP 21 Telefunkel or a photoresistor = 2 colors)
Mageco_Carte8ES_1.jpg
http://abandon.pcbs.free.fr/mageco.htm
by XavSnap
Thu Oct 12, 2023 10:50 am
Forum: Development
Topic: A scanner for you Zx81/Specturm.[WIP/DIY]
Replies: 24
Views: 13233

Re: A scanner for you Zx81/Specturm.[WIP/DIY]

belino3d_B3.JPG
Wings3D file only (All Project):
Belino3D_2.zip
(2.82 MiB) Downloaded 84 times
by XavSnap
Thu Oct 12, 2023 6:13 am
Forum: Development
Topic: A scanner for you Zx81/Specturm.[WIP/DIY]
Replies: 24
Views: 13233

Re: A scanner for you Zx81/Specturm.[WIP/DIY]

3D case:
casetop.JPG
casebot.JPG


Wings3D+STL:
(estimate price 2$ + Shipping for1 SLA resin ( IMAGINE BLACK) model)
Case3D.zip
(142.96 KiB) Downloaded 86 times
scanner.JPG