Concept

It is possible to mount either CR2032 or CR2477

Hardware

board render

Schematics

Board

Top

Bottom

Module

Application

Firmware

Low Power configuration

No table data available.

• removed nrf_drv_uart.c from Makefile

• Required nRF52832 Errata [89] TWI: Static 400 uA current while using GPIOTE

Low Power Measures

No table data available.

• 250 us @ 12 mA

• 1.5 ms @ 3.5 mA

• 50 uA @ infinite


PPK-II Measures

First wakeup

wakeup cycle type 1

wakeup cycle type 2

sleep period

BME280 vs MS8607

• Thread sensortag is using MS8607 and nRF52832 sensortag is using BME280

• Thread sensortag is sampling every 3 sec while nRF52832 sensortag every 40 sec

• Thread sensortag has no case while nRF52832 sensortag is inside a PLA case

temperature

humidity

pressure

MAX44009 vs VEML6030

• Thread sensortag is using VEML6030 and nRF52832 sensortag is using MAX44009

light