RP2350 Stamp XL

by Solder Party

A hand-solderable RP2350B module with 16MB FLASH, LiPo charging, reset/boot buttons, and all GPIO broken out.

The RP2350 Stamp XL is a hand-solderable SMD/TH module that integrates the Raspberry Pi RP2350B MCU with 16MB of FLASH, an LDO, LiPo charge management (including a charge LED), a reset button, and a bootsel button. It breaks out all the 48 GPIOs as well as USB, SWD, BOOTSEL, RST, and the voltage pins. The Stamp also has a footprint for a second QSPI FLASH/PSRAM, as well as footprints for SWD and UART JST connectors, compatible with the Raspberry Pi Debug Probe.

The Stamp XL was created to allow you to use the Raspberry Pi RP2350B in your designs without having to solder small-pitch QFN chips or worry about lots of external circuitry.

All you need to get you started is a 5V supply or a LiPo battery. The Stamp will take care of the charging and switching the power sources.

The castellated edges with 2mm pitch can be hand-soldered directly to a Carrier board, used with pin headers for more flexibility, or connected without soldering using FlexyPins, which are spring connectors designed for modules with castellated edges. You can find footprints for many PCB programs including KiCad, Eagle CAD, and EasyEDA here.

Features

At only 1 by 1¾ inch, the Stamp XL packs a lot of features:

  • 16MB of FLASH
  • 500mA 3.3V LDO
  • All 48 GPIOs broken out
  • A footprint for a second QSPI FLASH/PSRAM
  • Footprints for SWD and UART JST connectors, pin-compatible with the Raspberry Pi Debug Probe
  • LiPo supply and charging circuit (with charging LED)
  • USB broken out
  • SWD broken out
  • Reset Button
  • Bootsel Button
  • 12MHz crystal

and of course, everything that comes with the Raspberry Pi RP2350 itself:

  • Dual core ARM Cortex-M33 or Hazard3 @ 150MHz
  • 520kB SRAM
  • 2 UARTs
  • 2 SPIs
  • 2 I2Cs
  • 24 PWM channels
  • 12 PIO state machines
  • 1 HSTX peripheral
  • USB with Host and Device support

The RP2350 comes with a pre-programmed ROM UF2 Bootloader, by pulling the BOOTSEL pin low and resetting, or by double-pressing the RESET button (if the FW supports it), you can upload new firmware using the USB disk drive.

Links to code and documentation

10 customer reviews

2 years ago
The board is fine and works well but i would have liked that the extra rows of pin holes be on the outside of the pico w not the inside. Other than that a really great board.
by DAVID about Pico Proto via REVIEWS.io
2 years ago
The board is great, it makes small projects with the Raspberry Pi Pico much easier. I can only recommend it.
by Jonny about Pico Proto via REVIEWS.io
3 years ago
The quality of the British made PCBs is impressive, much better than the Chinese ones, just like in the old days! If you are not afraid of soldering, or wire wrap, these Hats are perfect for developing very personal projects, very quickly.
by Anonymous about Pico Proto via REVIEWS.io
3 years ago
Cheap and easy way of making your own plug in expansions for a Pico. Add some female headers and you can DIY Pico Packs fairly easily.
by DAVID about Pico Proto via REVIEWS.io
3 years ago
Great to use as a 'breakout' board. Gives more scope to connect extra wires to each pin.
by Mr Howard about Pico Proto via REVIEWS.io
4 years ago
Would be good if the through holes could be slightly larger, to take two resistor legs for example. A wider "pico proto" and complementary carrier board would be nice. I had quite a fiddly time constructing a diy vga interface, more space would help, through hole and area.
by Anonymous about Pico Proto via REVIEWS.io
4 years ago
Nice to have if you want to make your own pico shield!
by Naveen about Pico Proto via REVIEWS.io
4 years ago
Amazing! And as usual Pimoroni service was First Class. make connection much more adaptable, with a couple of headers.
by Valerio about Pico Proto via REVIEWS.io
4 years ago
I haven't used the Pico Proto yet, but it looks great. I got it because I have a Pico project in mind, and I need it to be as absolutely flat as possible. This proto board will do that mighty well.
by Karsten about Pico Proto via REVIEWS.io
4 years ago
great little board, a little compact, but great for little IOT or small simple projects!
by Clifford about Pico Proto via REVIEWS.io

User photos