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Forum Index : Microcontroller and PC projects : Been thinking about a SticoMite
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| PhenixRising Guru  Joined: 07/11/2023 Location: United KingdomPosts: 1849 |
I have seen Stick PCs with a male HDMI that plugs directly in to the monitor. Anyone seen something that already exists with a Pico? My application is a standalone display. |
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| dddns Guru Joined: 20/09/2024 Location: GermanyPosts: 821 |
Almost |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 1849 |
Hey, close enough  Many thanks, bud. |
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IanT Senior Member  Joined: 29/11/2016 Location: United KingdomPosts: 130 |
These work wiuth the Pico2 adapter Mick designed... Waveshare HDMI displays Regards, IanT |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3742 |
Nice, but aren't resistors recommended? Also here: Pico DVI sock  Resistors shown:  3 for $11.37 USD, shipping included This makes many Pico PCB designs DVI/HDMI capable with Pico2s. ~ Edited 2026-03-11 11:37 by lizby PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on FOTS |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 1849 |
Perfect  Edited 2026-03-11 21:40 by PhenixRising |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3742 |
Don't forget the Pico2 16mb PSRAM version ~ Edited 2026-03-11 23:27 by lizby PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on FOTS |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 1849 |
Looks like it still has micro-USB (?) |
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| mozzie Senior Member Joined: 15/06/2020 Location: AustraliaPosts: 278 |
G'day, This was knocked together during early testing with HDMI, rather crude but it does the trick. Plugs straight into just about anything, the HDMI plug breakout is widely available.  Apologies for the crap photo, cropped from an old image. Regards, Lyle. |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3742 |
DVI sock working with the WeAct RP2350A module with 15MB on drive a:  (Looks like it might not be too hard to solder a PSRAM chip on this module.) ~ Edited 2026-03-22 06:46 by lizby PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on FOTS |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 1849 |
This is perfect |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3742 |
The flash chip is a wide-body, 208 mil, and I can't find a PSRAM chip that size. I'm not going to be soldering a bunch of wires--the soldering would have been hard enough for me anyway--so I'll wait. It can't be too long before the Chinese cloners do their work on the Pimoroni model. PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on FOTS |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 8769 |
I say again the magic incantation: "PGA2350" It's not that much bigger than a Pico and includes PSRAM. Or there's the Pimoroni Pico Plus 2, which also has 16MB flash, the RP2350B and PSRAM (on GP47) fitted and is pin compatible with the Pico 2. Obviously it doesn't bring out all the pins of the RP2350B! Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3742 |
Are you talking about a chip? The goal here is the PicoStick with HDMI and PSRAM. The Pimoroni is expensive (by picomite standards). That's what I'm willing to wait for the cloners to address. Shouldn't be more than $6-$7. PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on FOTS |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 8769 |
It's another Pimoroni module. 1 inch square. Link I know what you mean about the clones. Whether they'll bother is something else though, WeAct do the 48-pin module but don't include PSRAM, although they could easily. The problem may be that it costs extra to populate both sides of a board and you need very short traces for RAM, which is why it's on the bottom. It's all a case of how cheap can they make them. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3742 |
Not exactly PicoMiteStick-friendly. PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on FOTS |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 8769 |
Only because no-one has designed one yet. :) Yes, it would end up an inch wide. It might possibly be slightly shorter though, if you don't mind some SMD work. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| dddns Guru Joined: 20/09/2024 Location: GermanyPosts: 821 |
Maybe this waveshare is easier to get and cheaper in the US. The USB-C adapter is also nice. Too bad it has a slightly different layout compared to the PGA. For a stick I think the slim standard design is best, maybe with a thin sandwich PCB containing a basic audio filter for PWM sound, a 3231 RTC in the middle and on the other a microSD..should be doable even on a stripboard. Edited 2026-03-24 06:47 by dddns |
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| lizby Guru Joined: 17/05/2016 Location: United StatesPosts: 3742 |
Absolutely. With the DVI "sock", it's a doodle which works on all the 40-pin Pico2 modules. Most probably wouldn't need the PSRAM, but I have a use for it. PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on FOTS |
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| dddns Guru Joined: 20/09/2024 Location: GermanyPosts: 821 |
Well, @mozzie showed a real stick. But HDMI/VGA doesn't have +5V so you need the USB cable anyway and thus a stick isn't that necessary. The PGA/Waveshare is 4,4mm larger, not that much ;) The HDMI breakout board directly soldered is IMHO in any way a nice solution. |
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