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OBSOLETE] Convert Your Wired Alarm System into a SmartThings Smart Home Monitor System for Under $25 with NodeMCU ESP8266 (2017) - Projects & Stories - SmartThings Community
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Security alarm with nodemcu esp8266 WiFi module, buzzer and PIR(passive infrared) motion detection sensor
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IoT based Home Security System Using PIR Sensor, NodeMCU ESP8266, and Adafruit IO – QuartzComponents
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