Free open-source IoT platform. With local server available. 



My code examples

https://github.com/liutyi/esp32-oled-senseair

Libhttps://github.com/blynkkk/blynk-library
Serverhttps://github.com/blynkkk/blynk-server
Iphone apphttps://apps.apple.com/us/app/blynk-iot-for-arduino-esp32/id808760481
Example generatorhttps://examples.blynk.cc

Server setup

Setup server using docker

# test run
docker run -p 8080:8080 -p 9443:9443 mpherg/blynk-server
# final setup with customized image
docker run -d -p 8080:8080 -p 9443:9443 -p 8440:8440 -v /docker/blynk-server/config:/config/ -v /docker/blynk-server/data:/data --restart=always kyivtank/blynk-server:latest

Firewall and proxy

  1. do not use http/https reverse proxy. use tcp forwarding by iptables or load balancers if needed
  2. be sure firewalls open for 8080 and 9443 ports

Local server running example

Mobile app with the connected devices

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