External Power for Arduino Micro
hi all,
i'm looking external power source data logger project i'm using arduino micro linked 32 sensors.
i have tested 9v battery linked gnd , +5 seemed work fine technician @ electronics store seems think should use lithium-ion battery power regulator. according him power 9v battery isn't stable enough.
is true?
if so, should use this:
- lipo charger
- and 2 of these lithium ion batteries in series?
it seems expensive, power setup?!
thanks in advance,
charles
i'm looking external power source data logger project i'm using arduino micro linked 32 sensors.
i have tested 9v battery linked gnd , +5 seemed work fine technician @ electronics store seems think should use lithium-ion battery power regulator. according him power 9v battery isn't stable enough.
is true?
if so, should use this:
- lipo charger
- and 2 of these lithium ion batteries in series?
it seems expensive, power setup?!
thanks in advance,

charles
depends, circuits power consumption sensors? if space @ premium ? , how long between changing batteries/recharging ?
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