
PROJECTS: DIY Powered Respirator
TIME REQUIRED:
2–3 Hours + 14 Hours Printing
DIFFICULTY:
Moderate
COST:
$30–$85
MATERIALS:
See the full BOM at makezine.com/go/
FDSPAPR-BOM for part numbers and
costs.
» H13 HEPA filter
» DuPont Tyvek 1443R fabric,
50cm×80cm
» Non-woven polypropylene fabric,
10cm×10cm
» Surgical face mask, Level 3
» Face shield visor with lightweight
foam band
» Blower fan, 40mm×20mm, 5VDC
» DC motor speed controller (PWM)
with potentiometer switch
» Step-up voltage regulator, 9V,
U3V16F9 Pololu 4944
» LEDs, 5mm, 3V: green (1) and red (1)
» Capacitor, electrolytic, 16V 2200µF
» Mini relay, 1A 5VDC, SPDT, PCB mount
» Diode, ...