A Raspberry Pi based Cellphone
Wirelessly control power outlets from your phone
Make your smartphone with Raspberry Pi A+
Make your phone a Raspberry Pi display
A do-it-yourself mobile phone based around a $12 GSM module
Monitor, control and manage your Raspberry Pi easily
Touchscreen Internet Radio that can be controlled with PC, Smartphone
Monitor Arduino Sensor using Smartphone and ESB: IoT Tutorial
Get connected to your Raspberry with just the help of your smartphone.
A Raspberry Pi powered photobooth controlled via your smartphone.
Control smart TV with your smart phone.
Build a Wireless Mic that transmits your voice via FM radio
Combining Arduino and other shield modules and make a mobile phone.
Use Temboo to connect your Arduino to the cloud.
Using Google Voice as a landline
Wake-up Light connected to smartphone
Geo-fence garage door using Raspberry Pi, Azure, C#, and Windows Phone
Make a Fisher-Price kids toy talk, just like in Toy Story 3!
Mirror your iPhone onto a display with Airplay for the Pi
Build a simple wearable that sends some data via your phone
Send a notification to your phone when something moves at your home
Simple crypto library for IoT
Use a microphone to detect a rainy day
Lock away your tempting smartphone for a few minutes or hours
Free drag-and-drop IoT project builder: trigger Pi tasks with a phone
Use RGB LEDs and a Bluetooth-capable Arduino
Use Homebridge to control RPi via an iPhone
Turn your Chromecast device on and off from your phone
Have a Raspberry Pi tether to an iPhone for internet access on the go
Project to build a vacuum-tube-based headphone amp for the Pi
Using headphones to send data via audio
Old style analog phone turned into a voice internet search tool
Program your Pi's wireless connection from your phone
Getting a fake payphone to work with a Raspberry Pi
Open your garage door using your phone
Have your Raspberry Pi place phone calls and speak some data
Control media playback on your Pi from a phone or a web browser