Power consumption 52832

[Aku]

HI

describe my device first:

A Temperature and Humidity Sensor(twi)  measure every second

nrf52832 module

it has an lcd and its control IC(twi), 

a spi flash to store data

Scheduled to use two 1.5V Carbon zinc battery in series

I just got my ppk2 few hours ago

and i measure the power of my device with source meter mode

i got my power consumption : 100ua when not connecting to phone

i have done to my code:

1.use external oscillator

2.turn on dcdc regulator

3.uninitial spi,twi,saadc when not using them

4.set the adv interval to 375ms

Question 1

should i not use source meter mode when measuring ?

maybe i should  Install the battery and use ampere mode?

Question2

IS that power consumption good enough?

[awneil]

Aku said:

IS that power consumption good enough?

Good enough for what ?

The important thing to remember about batteries is that they provide a finite amount of charge (ie, energy).

So your job, as designer, is to ensure that the amount of charge your product uses will give you the required run-time from your batteries.

The display shows you charge here:

Aku said:

Carbon zinc battery

that's not a good choice for long life - alkaline would be better