ESP8266 Temperature Monitoring in Smartthings? (Where to start with a new device)

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check the generic http handler from @jzst, he added temperature sensor support:

Raspberry Pi with PHP (or Arduino/ESP8266/NodeMCU) to GPIO to Relay to Gate/Garage Trigger

Hi all, I’m pretty excited to be able to bring this project. It ties together and old Raspberry Pi running latest version of Raspbian with HTTPD and a PHP script. The PHP code runs the gpio command in order to trigger pin 4 of the RPi for a second then turns it off. This triggers a simple 5v relay which in-turn shorts out my gate. The obvious difference of what I’m sharing here is the fact that I wrote a SmartThings Device Handler which uses a “hubaction” which means it can be triggered from a WAN connection w/o having to put your device out on the web with a public IP. The hub performs a local action on a local IP. The project is essentially a generic HTTP Device Handler for SmartThings. The goal was to keep it as small/simple as possible. So it consists only of a single PHP script and …