Networks / Simple Mesh
Frameworks / Raspi IoT
Tindie Product Page

Concept

Simple Mesh Sensor Tag
×
It is possible to mount either CR2032 or CR2477
Mounted
×

Hardware

board render
repo directory
nRF52832
BME280
MAX44009

Schematics

×

Board

Top

×

Bottom

×

Module

Module size
×

Application

Firmware

repo directory

Low Power configuration

  • removed nrf_drv_uart.c from Makefile
  • Required nRF52832 Errata [89] TWI: Static 400 uA current while using GPIOTE

Low Power Measures

  • 250 us @ 12 mA
  • 1.5 ms @ 3.5 mA
  • 50 uA @ infinite
![Power measures](/images/simplemesh_sensortag/Power measures.png)

PPK-II Measures

First wakeup

First wakeup
×

wakeup cycle type 1

wakeup cycle
×

wakeup cycle type 2

wakeup cycle t2
×

sleep period

sleep perdiod
×

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

compare temperature
×
Temperature hour
×

humidity

Humidity
×
Humidity hour
×

pressure

Pressure
×

MAX44009 vs VEML6030

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

light

Light
×
Light day
×
Light hour
×