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Forum Index : Microcontroller and PC projects : pico 2 xxl does also work whit picomite firmware
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| tenij000 Regular Member  Joined: 30/05/2025 Location: NetherlandsPosts: 52 |
RP2350-PICO2-XXL is re-design of the popular "Raspberry Pi Pico 2" board with some improvements PICO2-XL has 2MB external Flash PICO2-XXL has 16MB external Flash, 8MB external PSRAM, and a micro SD-card connector FEATURES RP2350B Dual Cortex-M33 or dual RISC-V @ 150MHz 520 KB on-chip SRAM USB-C data and power supply connector BOOT and RESET buttons 2MB QSPI flash (only in -XL version) 16MB QSPI flash (only in -XXL version) 8MB QSPI PSRAM (only in -XXL version) Micro SD-card (only in -XXL version) UEXT connector (pUEXT 1.0 mm step connector) Qwiic/Stemma connector Status LED All 48 GPIOs exposed Dimensions: (50 x 28)mm ~ (1.97 x 1.10)" DOCUMENTS PICO2-XXL pinout PICO2-XXL user manual PICO2-XXL EU declaration of confirmity PICO2-XXL UKCA declaration of confirmity HARDWARE PICO2-XXL latest schematic in PDF format PICO2-XXL source CAD files on GitHub SOFTWARE Raspberry Pi C-SDK Micropython Arduino Default firmware binaries info Edited 2025-09-13 22:20 by tenij000 |
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| JanVolk Senior Member  Joined: 28/01/2023 Location: NetherlandsPosts: 253 |
tenij000, I bought my board from tinytronics.nl. Check the TinyTronics section at Olimex for the price including VAT. So far, no problems with the latest firmware. The width of the PCB pin spacing isn't exactly 0.1 inches if you want to mount it on a 0.1-inch hole board, and you'll need to take that into account when designing your own board. See the PDF for a breadboard solution. Olimex RP2350B-XXL.pdf Regards, Jan. |
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Mixtel90 Guru  Joined: 05/10/2019 Location: United KingdomPosts: 8074 |
Are the pins on 2mm pitch rather than the usual 2.54mm? That's becoming more common on cheap boards. Mind you, double rows of pins aren't breadboard friendly anyway. Matherp's solution is better if you want a breadboard. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 1527 |
Better, period  Wonderful design and the production quality is first-rate  |
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| JanVolk Senior Member Joined: 28/01/2023 Location: NetherlandsPosts: 253 |
Mick, They are indeed dual 2.54mm pin strips, so that's not the problem. However, when I place the RP2350B-XXL board on a 0.1-inch perforated board, the opposite pin strip doesn't align with the perforated board, and the pins end up between two holes. (Too bad for a project on perforated boards.) The version I received is the PICO2-XXL Rev. B, which omits some capacitors and uses SD MISO=GP24. (My board doesn't yet have the RP2350B A4.) And you're right that Matherp's solution is better, but I only need one board, and the price is good with local shipping for a complete board with all pins available, including an SD card holder, and for a test with the RP2350B with PSRAM and 8 ADCs. Regards, Jan. |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 8074 |
So they arranged the pins to be half a hole out? Excellent! Well Done! ;) Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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phil99 Guru Joined: 11/02/2018 Location: AustraliaPosts: 2711 |
A work-around is to cut the perforated board in half. |
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