matthiasbabel / airdata

Air Quality Module

Set up

IOTA-Network

For testing: Set up private IOTA-Network https://github.com/iotaledger/compass https://github.com/iotaledger/compass/blob/master/docs/HOWTO_private_tangle.md

• config.json

{
  "seed": "WUHHNVTUVGXNWKONKFHDITCWXISCOWOOTCSXUJEHRGJ9FDXNJDWUUQXGQEQHSSVSRISKKLBMQIS9IKNOW",
  "powMode": "CURLP81",
  "sigMode": "CURLP27",
  "security": 1,
  "depth": 16,
  "milestoneStart": 0,
  "mwm": 1,
  "tick": 20000,
  "host": "http://localhost:14267"
}

• iota.ini

[IRI]
PORT = 14267
UDP_RECEIVER_PORT = 14600
NEIGHBORS = udp://localhost:14601
IXI_DIR = ixi
DEBUG = false
DB_PATH = db
ZMQ_ENABLED = true
ZMQ_PORT = 5556
API_HOST = 0.0.0.0
REMOTE-LIMIT-API = "addNeighbors"

• 02_run_iri.sh

#!/bin/bash

scriptdir=$(dirname "$(readlink -f "$0")")
. $scriptdir/lib.sh

load_config

COO_ADDRESS=$(cat $scriptdir/data/layers/layer.0.csv)

docker pull iotaledger/iri:latest
docker run -d -t --net host --rm -e DOCKER_IRI_REMOTE_LIMIT_API="" -v $scriptdir/iota.ini:/iri/conf/iota.ini -v $scriptdir/db:/iri/data -v $scriptdir/snapshot.txt:/snapshot.txt -p 14265 -p 5555 iotaledger/iri:latest \
       --testnet \
       --remote \
       --testnet-coordinator $COO_ADDRESS \
       --mwm $mwm \
       --milestone-start $milestoneStart \
       --milestone-keys $depth \
       --snapshot /snapshot.txt \
       --max-depth 1000 $@ \
       -c /iri/conf/iota.ini

MongoDB

Install MongoDB for organizing the addresses. https://docs.mongodb.com/manual/installation/#tutorial-installation

Required Software

Node.js und NPM

Initialise

The following steps must be executed on the console in the prototyp folder

1. Run npm install in ./frontend and ./iota
2. Run the IOTA-Node
3. If your Node is running on other ports than set before, change it also in ./iota/config.json
4. Start the IOTA-Hub cd iota && node server.js
5. Set your the IP of your IOTA-Node in the ./index.html, if you use a IOTA-Node, wich is not set up like shown, the seed has also to be updated
6. Start the Frontend cd frontend && http-server

Usage

Use the web based interface on http://localhost:8080

Hardware Requirements

• ESP32S NodeMCU
• 2 18650 li-ion
• SDS011 air particulate matter sensor
• DHT11 temperature & humidity sensor
• LM2596 DC-DC Step down module

ESP32 Code

To play the Esp32s board the Arduino IDE is necessary. After the board nd the libraries has been added to the IDE (see tutorials on the internet), the code can be uploaded to the ESP by pressing the boot button and uploading the scetch.