It’s Not Out, So Don’t Ask: Sneak Preview of ItsyBitsy RP2040 Silkscreen Revision

Coming soon! Now that the Feather RP2040 is out, we’re looking at our next board using the Raspberry Pi RP2040 microcontroller, this time in the small-yet-capable ItsyBitsy form-factor.

It’s got all that RP2040 goodness — dual-core M0+ at 125 MHz with 264K of RAM — coupled with favorite ItsyBitsy features like an output level shifter on digital pin 5 for robust compatibility with NeoPixels. There’s an onboard status RGB NeoPixel, a physical reset button (no re-plugging USB to access the bootloader), a generous assortment of GPIO, and of course…CircuitPython support!

Our latest update is we tweaked the QSPI flash to be 4×4 WSON instead of 2×3 USON, so we have more options for flash memory sizes (the 2×3 maxed out at 2MB). We also added a diode on the USBBOOT button, this means we can maybe use the BOOT button as a user input. Some 0.1uF capacitors moved from 0603 to 0402 to make room. One more prototype revision and hopefully this will be ready to fabricate!

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