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PIR Motion Alarm system + ESP8266 WiFi module was implemented using FRDM-k64f. PIR sensor will detect motion around its environment and then will send update information to Thingspeak.com website through wifi connection. The main components used in this project: Parallax PIR sensor, LED, ESP8266 WiFi module, 3.0 to 28VDC Voltage range Piezo buzzer.