cswiger2
Published © GPL3+

Solar-Powered Environmental Sensor Hub with LoRaWAN Uplink

A MAX32620FTHR managed, solar-charged, battery-powered hub of I2C sensors that publishes data to a web dashboard from remote locations.

AdvancedFull instructions provided8 hours2,440

Things used in this project

Hardware components

MAX32620FTHR
Maxim Integrated MAX32620FTHR
×1
Adafruit RFM95W
×1
Adafruit Chirp!
×1
Adafruit HTU21D-F
×1
18650
×1
12v car charger 5v usb
×1
solar panel
×1
Grove - Light Sensor
Seeed Grove - Light Sensor
×1

Software apps and online services

Arduino IDE
Arduino IDE
Mongo DB
beebotte
The Things Network
The Things Network

Story

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Schematics

MAX32620FTHR Connections

Connection diagram
Max32620 connections j2infgns0o

Code

MAX32620FTHR LoRaWAN hub

Arduino sketch MAX32620FTHR_LoRaWAN_hub.ino, support scripts and Chirp! firmware

MAX77650 pmic Library

Arduino library for the MAX77650 pmic

Custom MAX17055 Library

MAX17055 Library I found customized for the MAX32620FTHR

Adafruit HTU21D-F library - modified

Adafruit HTU21D-F library - modified very slightly to put in a Wire.setClock(100000) after the Wire.begin() and before the first buss communication with the device

Credits

cswiger2

cswiger2

2 projects • 2 followers

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