Piezoelectric pump

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hello,
i have ordered piezoelectric pump company says can run via arduino.  attachment shows how arduino attaches mp6-oem driver board.
this pump operates follows:

the amplitude defines stroke of the
actuator , therefore displacement of
the pumping media per pump cycles.
increase in amplitude linearly increases the
flow rate maximum.

the oem-controller drives micropump @ adjustable performance in package
similar integrated circuit. enables integration system electronics or
on pcb.
 
 
max. volume flow
(di-water)
4.9 ml/min @ 3 vdc supply; 100 hz
7 ml/min @ 5 vdc supply; 100 hz
adjustable parameters amplitude, frequency
amplitude range 85 - 270 vpp 1
frequency range
25 - 226 hz


how adjust amplitude in sketch can use 2 position toggle switch between 1 flow rate , another?

better pic


Arduino Forum > Using Arduino > Project Guidance > Piezoelectric pump


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