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Power Budget Information

Batteries

Battery Voltage Capacity
CR2032 3 V 200 mAh
AA Alkaline 1.5 V 2000 mAh
AAA Alkaline 1.5 V 900 mAh

Components

AVR Current Consumption
MCU (4MHz int osc) 1 mA
MCU (32.768 int osc) 7 uA
16 bit Timer 13 uA
ADC @60 ksps 1 mA
Comparator 70 uA
USART 9 uA
Zero Cross Detector 12 uA
Device Current Consumption
Moisture Sensor 5 mA
SX1280 Rx 7 mA
SX1280 Tx @0dBm 10 mA
SX1280 Tx @10dBm 18 mA
SX1280 STDBY_RC 700 uA
SX1280 STDBY_XOSC 1 mA