Use Pushbullet to notify you of whatever your hardware is doing

Water Level Meter using the Ultrasonic Sensor to sense the Water Level and ESP8266-01 to send the data over WiFi.

Use a $9 GSM module & the Hologram network to remotely control any Arduino with Blynk App.

Learn how to control your computer remotely with a remote control.

Control a servo, LED lamp or any device connected to WiFi, using Android app.

The unit developed here makes your appliances like TV, amplifier, CD and DVD players control with voice commands using Alexa and Arduino.

Visually program IoT apps in the browser using an Arduino connected over cellular!