Smart Manhole Intrusion Detection System | IoT Projects | sms notifications

Designed Manhole Intrusion Detection System using Internet of Things (IoT), ESP8266 (NodeMCU), Thingspeak and twilio platform. This system detects various activities and sends iot based sms notifications
1. Detect Lid open / close and send sms notification
2. Detect human motion / movement and send sms notification
3. Detect cable cut and send sms notification
4. Detect Lid tampering and send sms notification
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[@williamhuang5329]

Hanzhen harmonic drive gear , strain wave reducer, robot joint , over 30 years experience

[@gladysdaniel7473]

Good project!

[@uptonogood300]

detailed connection diagram available? please reply