WiFi Smart Clock IoT Home Security Phone Messaging -Emergency App Notification

Published Jul 24, 2020

GPL-3.0-only

1 hours to build

Intermediate

nodemcu

blynk app

Wifi Clock display Time, Temp, Hum & any message can be sent to clock via Mobile App & Pressing Panic Button in Clock a Notification Alert sent to Mobile App through internet good for home security if you have kid or elderly person in home alone.

Components Used
NodeMCU NodeMCUNodeMCU	X 1
DHT-22 sensor DHT-22 sensor	X 1
Buzzer 5V Buzzer 5V	X 1
DS3231 RTC Module DS3231 RTC Module	X 1
Mini Push Button Switch - 5-6mm Mini Push Button Switch - 5-6mm	X 1
Resistor 10 kOhms Metal Film Resistors - Through Hole 10 kOhms 250 mW 1% 100 PPM / C	X 1

Description

Wifi Clock display

Time,
Temperature
Humidity
any message can be sent to clock via Mobile App &
Pressing Panic Button in Clock a Notification Alert sent to Mobile App through the internet.

Good for home security if you have a kid or elderly person at home alone.