wyolum/lin2sw
small board to convert linear 3 pin regulator to switching regulator (TO220 compatible, eg 7805)
snaps in to 9V battery and provides 3V3 or 5V0 output
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small board to convert linear 3 pin regulator to switching regulator (TO220 compatible, eg 7805)
Public repository.
mmMercury is an Open Hardware, blood pressure measurement device (not FDA approved).
Blood Pressure Monitor