Project : SV-79 Simple Ventilator Inventor : Smith Vorapatratorn e-mail : smith@sv79.net	Start date : 10 August 2021 Update : 26 August 2021
	SV-79 Simple Ventilator + 3 operation mode CPAP, CPAP-E(exhale), PEEP + 5 air pressure level + Arduino Pro Micro (atmega32u4) + BMP280 air pressure sensor + SSD1306 OLED display + motor brushless N2830 + ESC brushless 20A + battery Li-Po 3S 11.1V (12.6V full)
	3D print setting infill 30% support setting see on this video all STL files download here [CLICK] arduino code download here [CLICK] wiring diagram [CLICK] 3D printed time (Creality Ender 3 V2) Impeller 8:20 hours, Rotor 12 minutes, Motor cover 1:34 hours Housing 8:02 hours, Housing cap 3:41 hour
	Impeller spin test and air pressure measurement Test results Air pressure level 1 : 6 cmH2O Air pressure level 2 : 8 cmH2O Air pressure level 3 : 11 cmH2O Air pressure level 4 : 14 cmH2O Air pressure level 5 : 18 cmH2O
	Electronic parts wiring diagram + SV79 Simple Ventilator wiring diagram + Regulator 3.3v and level shifter circuit + BLHeli-S ESC setting value + Test impeller spin (CCW) all 5 speed

build infomation update on 26 August, 2021