Search found 42 matches

by 8008guy
Tue May 26, 2020 5:01 am
Forum: SALES
Topic: ZXpand+ Super Serial card
Replies: 7
Views: 1626

Re: ZXpand+ Super Serial card

Are upper and lower case chars ok?
by 8008guy
Thu May 21, 2020 4:39 am
Forum: SALES
Topic: ZXpand+ Super Serial card
Replies: 7
Views: 1626

Re: ZXpand+ Super Serial card

+1 on the order. I'm excited to try one out
by 8008guy
Thu Mar 12, 2020 4:12 am
Forum: Hardware
Topic: I started on my new ZX-81 replacement board (kit) ZX81+38
Replies: 24
Views: 12671

Re: I started on my new ZX-81 replacement board (kit) ZX81+38

What does the keyboard pcb look like?
by 8008guy
Mon Feb 03, 2020 4:15 am
Forum: Hardware
Topic: Pimped out Minstrel 3
Replies: 4
Views: 2103

Re: Pimped out Minstrel 3

I expect it's the monitor. The knob for the horizontal position takes a screw driver, just me being lazy. My Galaksija displays with the
same shift.
by 8008guy
Sun Feb 02, 2020 2:57 am
Forum: Hardware
Topic: Pimped out Minstrel 3
Replies: 4
Views: 2103

Pimped out Minstrel 3

I got my Minstrel Zxpand soldered up and working today!

Image

How much fun is this?

len
by 8008guy
Wed Jan 29, 2020 8:20 pm
Forum: Hardware
Topic: Loading a program to my Minstrel 3
Replies: 19
Views: 3763

Re: Loading a program to my Minstrel 3

Ok, I've had success with the TZXDuino! I bumped the voltage on the 386 to 9 volts. I now get better than 7V PTP, like I saw on the cassette recorder.

Thanks for everyone's suggestions!

len
by 8008guy
Wed Jan 29, 2020 7:21 pm
Forum: Hardware
Topic: Loading a program to my Minstrel 3
Replies: 19
Views: 3763

Re: Loading a program to my Minstrel 3

I had a success with a program I recorded to tape and then played back. I need to look at the signal with a scope and see what the P2P voltage is. I know on the speaker it is LOUD!!!

Now I know everything works.

len
by 8008guy
Wed Jan 29, 2020 6:38 pm
Forum: Hardware
Topic: Loading a program to my Minstrel 3
Replies: 19
Views: 3763

Re: Loading a program to my Minstrel 3

@8008guy Did you try the short test WAV I posted? This works on real 81 and emulator and being short and sweet wastes little time. Finally agree totally re output level, line level even pro level won't cut it and Marks suggestion re speaker headphone socket is an excellent one. No, did not load. I ...
by 8008guy
Wed Jan 29, 2020 3:48 am
Forum: Hardware
Topic: Loading a program to my Minstrel 3
Replies: 19
Views: 3763

Re: Loading a program to my Minstrel 3

No luck so far. I tried the LunarCorps at a bunch of different sound levels. Tomorrow I will put the logic analyzer on the Minstrel and see if I am getting audio to the input circuits.

Thanks for everyone's help. Hope to get this solved.

len