The RP2040 Stamp is a hand-solderable SMD/TH module that integrates the Raspberry Pi RP2040 MCU with 8MB of FLASH, an LDO, LiPo charge management (including a charge LED), a reset button, and a Neopixel. It breaks out all the GPIOs as well as USB, SWD, BOOTSEL, RST, and the voltage pins.
At only 1 by 1 inch (25mm x 25mm), the Stamp packs a lot of features:
- 8MB of FLASH
- 500mA 3.3V LDO
- All 30 GPIOs broken out
- A Neopixel
- LiPo supply and charging circuit (with charging LED)
- USB broken out
- SWD broken out
- Reset Button
- 12MHz crystal
since twitter is down
https://hackaday.com/2022/03/28/putting-the-rp2040-on-a-stamp/