Blog
Learn about new PubNub releases, industry trends, and app development tips.
Text-to-Speech Audio Broadcast with Raspberry Pi
How to build an application that uses text-to-speech to broadcast an audio message using PubNub and Raspberry Pi.
Michael Carroll
How to Build an Android WebRTC Video and Voice Chat App
How to build a cross-platform Android WebRTC video and voice chat application with Java and JavaScript that works on both web and mobile.
Developer Relations Team
Build a Real-time Bicycle Location Tracking Map App
How to build a real-time bicycle tracking app that displays live location from GPS on a real-time map, powered by MediaTek LinkIt ONE and PubNub.
Michael Carroll
Streaming Sensor Readings to a Real-time Gauge Chart
How to collect pressure data on a sensor running on Arduino, and stream those readings to a live-updating, real-time gauge chart dashboard.
Anmol Agrawal
speakfree Provides Comms Platform for Global Refugee Crisis
Learn more about how PubNub and speakfree are working together to provide a communication platform for aid organizations and refugees during the global crisis.
Developer Relations Team
Tutorial: Real-time iOS Heart Rate Monitor and Dashboard
How to build an iOS heart rate monitor that streams heart rate data in real time to a real-time dashboard from the iOS smartphone app.
Michael Carroll
Creating a Distributed Music Visualizer for Mobile Phones
How to create a music visualizer that processes an Mp3 music file and streams the data in real time to trigger multiple smart phone flashes to the music.
Michael Carroll
Spline Chart for IoT Sensor Data with Johnny-Five
How to collect and stream IoT sensor data in real time to a real-time spline chart on an HTML dashboard with Johnny-Five, Arduino, and PubNub.
Anmol Agrawal
Hardware-to-Hardware Communication with Johnny-Five
Using the Johnny-Five framework to create hardware-to-hardware communication between a button and LED. When a user presses the button, the LED is triggered in real time.