- Wed Jul 12, 2017 3:05 pm
#195542
Dear Sparkfun,
I am designing a device that involves the Fio V3 in its natural environment charging a LiPo via USB.
I am considering adding a windmill attached to a tiny radio-control style brushless DC motor with a simple diode network rectifier and smoothing capacitor, to provide charging power for my device when it cannot be plugged in.
Is there a way I could supply this potentially higher voltage, and ripple-ey, power to the Fio V3 so it can charge the attached LiPo? I notice it does not have a "RAW" pin like the Pro Micro. Can I just patch this power into the USB VCC input? Should I arrange to clamp the input voltage, and if so by how much?
Kind regards,
Ihab Awad
I am designing a device that involves the Fio V3 in its natural environment charging a LiPo via USB.
I am considering adding a windmill attached to a tiny radio-control style brushless DC motor with a simple diode network rectifier and smoothing capacitor, to provide charging power for my device when it cannot be plugged in.
Is there a way I could supply this potentially higher voltage, and ripple-ey, power to the Fio V3 so it can charge the attached LiPo? I notice it does not have a "RAW" pin like the Pro Micro. Can I just patch this power into the USB VCC input? Should I arrange to clamp the input voltage, and if so by how much?
Kind regards,
Ihab Awad