References

[abhijithvijayan]

NodeMCU

• https://github.com/nodemcu/nodemcu-firmware
• https://github.com/esp8266/Arduino
• https://github.com/nodemcu/nodemcu-devkit-v1.0
• https://github.com/nodemcu/nodemcu-flasher
• https://openhomeautomation.net/connect-esp8266-raspberry-pi
• https://github.com/openhomeautomation/connect-esp8266-rpi
• https://github.com/marcoschwartz/aREST
• https://github.com/arduino/Arduino/

[abhijithvijayan]

• https://github.com/mysensors/MySensors/blob/master/examples/AirQualitySensor/AirQualitySensor.ino
• https://www.hackster.io/akmaneesha/nodemcu-based-iot-project-connecting-mq-135-gas-sensor-fcf461
• https://www.how2electronics.com/gas-level-monitoring-over-internet-using-esp8266-gas-sensor/
• https://github.com/sparkfun/74HC4051_8-Channel_Mux_Breakout
  rgb led
• https://roboindia.com/tutorials/rgb-led-nodemcu/
• https://github.com/DFRobot/RGB-LED/tree/master/RGBLED

[abhijithvijayan]

• https://github.com/mapbox
  Spatial search algorithm

• https://blog.mapbox.com/a-dive-into-spatial-search-algorithms-ebd0c5e39d2a

• https://medium.com/swlh/drawing-route-lines-on-google-maps-between-two-locations-in-flutter-4d351733ccbe

• https://github.com/johnpryan/flutter_map

• https://stackoverflow.com/questions/28394902/find-all-routes-from-source-to-destination-in-google-maps

• https://stackoverflow.com/questions/47492459/how-do-i-draw-a-route-along-an-existing-road-between-two-points

• https://gis.stackexchange.com/questions/283445/geoalchemy-get-closest-point-to-another-point

• https://stackoverflow.com/questions/37827468/find-the-nearest-location-by-latitude-and-longitude-in-postgresql

• http://postgis.net/docs/ST_DFullyWithin.html

• https://stackoverflow.com/questions/2080a3878/geoalchemy2-query-all-users-within-x-meteres

Gradient

• https://stackoverflow.com/questions/12934720/how-to-increment-decrement-hex-color-values-with-javascript-jquery/12934900#12934900
• From A(Red) to B(green) to C(blue)

[abhijithvijayan]

• https://github.com/davidcarslaw/openair
  similar project
• https://github.com/shootismoke
• https://www.instructables.com/id/AtmoScan/
• https://github.com/MarcFinns/AtmoScan
• https://medium.com/@annableker/how-we-built-an-air-quality-app-and-why-it-was-harder-than-we-thought-1a6d756798e

[abhijithvijayan]

MQTT

Clients

• https://www.eclipse.org/paho/clients/js/
• https://github.com/mqttjs/MQTT.js
• https://github.com/hobbyquaker/awesome-mqtt
• https://github.com/mhdawson/PILocalTemp/blob/master/publishTemp.py
• https://github.com/workswithweb/MQTTBox

Broker

• https://github.com/mcollina/mosca

Samples

• https://github.com/mhdawson/micro-app-home-alarm
• https://github.com/jpmens/mqtt-svg-dash/blob/master/pusher.js
• Can't connect to Broker knolleary/pubsubclient#203
• https://sonyarouje.com/2016/03/15/mqtt-communication-with-arduino-using-esp8266-esp-01/
• https://rike.dev/2019/02/07/smart-home-sensor-data-with-mqtt-broker-mosquitto-and-a-node-js-backend-application/
• https://stackoverflow.com/questions/36443406/connecting-nodejs-and-cloud-mqtt
• https://raspberrypi.stackexchange.com/questions/49902/sending-data-from-raspberry-pi-to-hosted-node-js-server-web-page
• https://medium.com/@alifabdullah/setting-up-private-mqtt-broker-using-mosca-in-node-js-c61a3c74f952

[abhijithvijayan]

1. Set up MQTT Publisher(Arduino C++) in NodeMCU

2. Set up MQTT Server/Blocker(Mosquitto/Mosca) in RPi

3. Set up Subscriber(Node.js with mqtt package) in RPi

4. Submit Received Payload from Publisher to REST API

5. GET/POST handler Express Server in Cloud

[abhijithvijayan]

• https://github.com/jagenjo/litegraph.js

AQI Data eqns

• https://en.m.wikipedia.org/wiki/Air_quality_index

[abhijithvijayan]

Flask Tutorial

Real world app

• https://github.com/gothinkster/flask-realworld-example-app
• https://dev.to/davidshare/setting-up-a-python-development-environment-with-pipenv-3lfj
• https://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-world
• https://blog.timescale.com/blog/choose-postgresql-for-iot-19688efc60ca/

[abhijithvijayan]

Database Designer Online

• https://app.dbdesigner.net/designer/schema/guest_template