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Forum Index : Microcontroller and PC projects : MMEdit
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palcal Guru  Joined: 12/10/2011 Location: AustraliaPosts: 1989 |
That would explain my confusion. "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 7865 |
And mine. LOL Just shows though, I designed my Backpack without consulting my own documentation (at least, not that diagram). I had every SPI connection wrong and no-one spotted it - they were all looking at the official RPi diagram probably, just as I've done every time I've connected a PicoMite up. It's *very* difficult to spot your own errors. I've just had to print out Peter's master list of I/Os and compare it with a revised diagram, ticking pins off - and I *still* made one mistake. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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disco4now Guru Joined: 18/12/2014 Location: AustraliaPosts: 1000 |
I got my last couple from Australia Post. $10 for a 32Gig. Worth checking if they have them still. Regards Gerry Latest F4 Latest H7 FotS |
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panky Guru Joined: 02/10/2012 Location: AustraliaPosts: 1114 |
For info, the attached is the official Raspberry Pi Pico pdf of the Pico pinout (from their datasheet). Raspberry Pi PicoPinout.pdf ... almost all of the Maximites, the MicromMites, the MM Extremes, the ArmMites, the PicoMite and loving it! |
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phil99 Guru Joined: 11/02/2018 Location: AustraliaPosts: 2611 |
Re SD card size issue. The brand can make a difference too. A ten year old 128MB (that's MB) that came with a Canon camera seems to work with everything. |
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| robert.rozee Guru Joined: 31/12/2012 Location: New ZealandPosts: 2437 |
as i recall, 4gb was a problematic size for SD cards. initially, only sizes up to 2gb were allowed for in the original SD card standard, but when manufacturers were able to make 4gb cards they found a work-around that allowed 4gb to work. the standard was soon extended, allowing for much larger cards. in this extension, however, those early 4gb cards (and the work-around they exploited) was not covered. the end result was some 4gb cards would only work in certain devices. someone else might like to research a little more and find the full story. cheers, rob :-) Edited 2021-09-16 12:28 by robert.rozee |
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| palcal Guru Joined: 12/10/2011 Location: AustraliaPosts: 1989 |
Had a bit of trouble getting a card was told they are in short supply, Office Works had one. "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" |
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| palcal Guru Joined: 12/10/2011 Location: AustraliaPosts: 1989 |
Had a bit of trouble getting a card was told they are in short supply, Office Works had one. "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 7865 |
A problem caused by [Select option], obviously. [Brexit ] [Afghanistan ] [Shipping ] [Covid ] [Lorry Drivers] [Floods ] [Fires ] [Politicians ] [Clowns ] Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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