LoRaWAN/Workshops

Intro To LoRaWAN

• TTN Lab
• Kit for sale

Parts

Part	Partnumber	Source	Cost	Notes
PCB		SeedStudio, JLCPCB	2
Arduino	Pro Mini, 3.3V, 8Mhz	AliExpress	1,90
Antenna	868Mhz SMA	AliExpress (NextRF)	1,50
SMA Connector	Edge mount	AliExpress, DigiKey	0,15
LoRa Module	RFM95	DigiKey	7,6
Battery Holder	2x AA	AliExpress	0,20
Case	Abzweigdose 75x75	Hardware store [1], [2]	0,70

Build your own Gateway

• March 10th, 2018
• August 27th, 2018 September 24th, 2018

Parts

Part	Partnumber	Source	Cost	Notes
LoRaWAN Concentrator	iMST ic880a	iMST	142€ + Shipping
RaspberryPi 3		Reichelt	32€
Adapter PCB		Severin	2€	https://github.com/ch2i/iC880A-Raspberry-PI
SD Card		Reichelt	6,50€
uFL Pigtail		AliExpress	3€ (BNC)
Antenna	Aurel GP-868	Conrad	40€
	DELOCK 89583	Jacob, eBay	40€
	"Antenne kollinear 868 MHz"	eBay Seller	30€	if it's not available in the shop, send them an email, they'll reply
Case	RF-Elements StationBox ALU (SBX-ALU-6N1E)	Varia Store	32€	deprecated? Seems to be out of stock everywhere
	EZ-SOE01W	Aerial	19€ + Shipping (~10€)	No longer for sale
	EZ-DCE15	Aerial	19€ + Shipping	Currently out of stock
	RND 455-00185	Reichelt	7,50€	probably not an outdoor case
	RND 455-00137	reichelt	9,90€
	RND 455-00148	reichelt	6,95€	Same as above, but without transparent front, used for workshop 2. Works pretty well
	WaveArena GOLD ALUBOX	wlan-shop24.de	32,99€	Outdoor case, works great (used in WS2)
PSU	30 W, 12 V, 2,5 A	Reichelt	12€

Small Stuff

• MPE 094-2-040 :: Buchsenleisten 2,54 mm, 2X20, gerade
• LED 3MM GN :: LED, 3 mm, bedrahtet, grün, 18 mcd, 60°
• LED 3MM RT :: LED, 3 mm, bedrahtet, rot, 4,5 mcd, 60°
• LED 3MM GE :: LED, 3 mm, bedrahtet, gelb, 18 mcd, 60°
• LED EL 3-800BL :: LED, 3 mm, bedrahtet, blau, 800 mcd, 20°
• DC BU21 90 :: Einbaubuchse, Ø innen: 2,1 mm
• BL 1X20G8 2,54 :: 20pol. Buchsenleiste, gerade, RM 2,54, H: 8,5mm
• RND 205-00053 :: Lötbare Schraubklemme - 10-pol, RM 5 mm, 90°
• 1N400x diode (MuMa stock)
• Jumper (Severin stock)

HowTos

• JPMeijer's Gateway building description
  • Sources resin.io application
  • resin.io website instructions not quite up to date

TTN Application Dashboard

Note: This is not complete or secure at all. Please don't run this on a public server just like that.

Node Red

apt update
apt install curl
curl -sL https://deb.nodesource.com/setup_11.x | bash -
apt-get install -y nodejs

npm install -g --unsafe-perm node-red

npm install -g pm2
pm2 start /usr/bin/node-red
pm2 save
pm2 startup

TIG Stack

apt update
apt install -y apt-transport-https

wget -qO- https://repos.influxdata.com/influxdb.key | apt-key add -
source /etc/os-release
echo "deb https://repos.influxdata.com/debian stretch stable" > /etc/apt/sources.list.d/influxdb.list

apt update
apt install -y influxdb
systemctl enable influxdb
systemctl start influxdb

influx

create database telegraf
#create user telegraf with password 'SafetyThird'


apt install -y telegraf

cd /etc/telegraf
mv telegraf.conf telegraf.conf.default
grep -v "^ *#" telegraf.conf.default | grep -v "^$" > telegraf.conf

vi telegraf.d/influx.conf

[[outputs.influxdb]]
  database = "telegraf"
  urls = [ "http://127.0.0.1:8086" ]
#  username = "telegraf"
#  password = "SafetyThird"

vi telegraf.d/ttn.conf

[[inputs.mqtt_consumer]]
  servers = ["tcp://eu.thethings.network:1883"]
  qos = 0
  connection_timeout = "30s"
  topics = [ "+/devices/+/up" ]
  client_id = ""
  username = "ttn-muc-paxcounter"
  password = "ttn-account-v2.Ey78w3jn9ttHS7kGrZ8uv6PCKCd1s6WkHGuB8YOMEPE"
  data_format = "json"
  json_query = "{app_id,dev_id,hardware_serial,\"payload\":payload_fields}"
  json_name_key = "app_id"
  tag_keys = ["dev_id", "hardware_serial"]

systemctl restart telegraf
systemctl enable telegraf

echo deb https://packages.grafana.com/oss/deb stable main > /etc/apt/sources.list.d/grafana.list

wget -q -O - https://packages.grafana.com/gpg.key | apt-key add -
apt update
apt install grafana
systemctl daemon-reload
systemctl enable grafana-server
systemctl start grafana-server

References

• https://devconnected.com/how-to-setup-telegraf-influxdb-and-grafana-on-linux/