Simple, low-cost "sip and puff" USB interface for expressive interactions, enabling breath-based control of keypresses, mouse actions and much more using USB HID.
A no-frills silkscreen is fine for prototypes, but some nice PCB art should be added (especially on the bottom side of the board) before this board is prepared for production.
A no-frills silkscreen is fine for prototypes, but some nice PCB art should be added (especially on the bottom side of the board) before this board is prepared for production.