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There are numerous RP2040 proto boards on the market — heck, there are even numerous small RP2040 boards on the market! However we predict this can be the smallest, fully-featured board that features all I/O damaged out, in addition to energy, reset, and choices for making it even smaller baked proper in!
A part of the key of retaining I/O is by utilizing 1mm pitch pin header footprints. These headers can be found at your favorite components distributor, and are generally utilized in trade to save lots of house. They’re a bit difficult handy solder, however with some follow and good high quality flux, it shouldn’t be too tough.
The opposite secret of this board is the flexibility to take away the USB-C connector to save lots of on top if wanted! The VBUS, D+, D- and GND pins are damaged out to the aspect of the connector if you wish to wire them up immediately. And the SOIC EEPROM is hiding a footprint for a UDFN-8 EEPROM beneath it! So you’ll be able to reduce down the peak even additional if you really want to get it into a good spot. All of the design information are open, so in the event you’re actually caught for house, you possibly can even try to get the boards manufactured thinner, however wanting on the footage I believe they’re already as skinny as you’ll be able to simply purchase!
If you want to squeeze some severe processing energy into an extremely small house, the proto2040 is for you. Test it out, and welcome vendor Treble to Tindie!
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