![Security alarm with nodemcu esp8266 WiFi module, buzzer and PIR(passive infrared) motion detection sensor Security alarm with nodemcu esp8266 WiFi module, buzzer and PIR(passive infrared) motion detection sensor](https://b2600043.smushcdn.com/2600043/wp-content/uploads/2/2/1/5/22159166/nodemc-pir-and-buzzer-security-alert_orig.png?lossy=0&strip=1&webp=1)
Security alarm with nodemcu esp8266 WiFi module, buzzer and PIR(passive infrared) motion detection sensor
![OBSOLETE] Convert Your Wired Alarm System into a SmartThings Smart Home Monitor System for Under $25 with NodeMCU ESP8266 (2017) - Projects & Stories - SmartThings Community OBSOLETE] Convert Your Wired Alarm System into a SmartThings Smart Home Monitor System for Under $25 with NodeMCU ESP8266 (2017) - Projects & Stories - SmartThings Community](https://global.discourse-cdn.com/smartthings/original/3X/1/1/1191df5e8fc4a2c2f195ff124e9f3a737aedeab1.jpg)
OBSOLETE] Convert Your Wired Alarm System into a SmartThings Smart Home Monitor System for Under $25 with NodeMCU ESP8266 (2017) - Projects & Stories - SmartThings Community
Connect wired alarm system sensors to SmartThings with a NodeMCU ESP8266 [deprecated] - Projects & Stories - SmartThings Community
GitHub - taligentx/dscKeybusInterface: An Arduino/esp8266/esp32 library to directly interface with DSC security systems.
![IoT based Home Security System Using PIR Sensor, NodeMCU ESP8266, and Adafruit IO – QuartzComponents IoT based Home Security System Using PIR Sensor, NodeMCU ESP8266, and Adafruit IO – QuartzComponents](https://cdn.shopify.com/s/files/1/0300/6424/6919/articles/IoT-based-Home-Security-System_750x.jpg?v=1592597865)