Build

Tutorials, demos, and code walkthroughs for a wide variety of real-time web, mobile, and IoT projects.

How to Build a Chat Application Like WhatsApp
BuildFeb 26, 2024

How to Build a Chat Application Like WhatsApp

In this blog, we will discuss the essential aspects of chat app development, such as the features you need to include, the technologies you should consider using, and the steps to build a chat app like WhatsApp.
Darryn Campbell
Darryn Campbell
Developer Advocate, PubNub
Build Your Own Uber/Lyft App with Geolocation Tracking
BuildFeb 22, 2024

Build Your Own Uber/Lyft App with Geolocation Tracking

How to build a real-time taxi/rideshare Android app that models Lyft and Uber using PubNub for real-time, live geolocation tracking.
Darryn Campbell
Darryn Campbell
Developer Advocate, PubNub
How to Create an Online Real-Time Bidding/Auction App
BuildFeb 22, 2024

How to Create an Online Real-Time Bidding/Auction App

In this tutorial, we'll show you how to build an online real-time auction system in React using PubNub Real-time Messaging and React-Bootstrap.
Markus Kohler
Markus Kohler
Developer Advocate, PubNub
The exciting world of Rust + ARM processors
BuildFeb 20, 2024

The exciting world of Rust + ARM processors

PubNub has taken optimizing our systems efficiency a step further by migrating our applications to Rust. Rust is a programming language that's becoming more and more popular because of its efficiency and safety.
Stephen Blum
Stephen Blum
CTO, PubNub
How to Build Your Own Smart Home in an Afternoon
BuildFeb 20, 2024

How to Build Your Own Smart Home in an Afternoon

Dive into the steps of creating three unique home automation projects using a Raspberry Pi, Python, and PubNub.
Markus Kohler
Markus Kohler
Developer Advocate, PubNub
How to Display Online Users in Real-Time
BuildFeb 13, 2024

How to Display Online Users in Real-Time

Display how many users are currently viewing a webpage in real time. Learn how to build a web UI widget in under 5 minutes, backed by Presence.
Markus Kohler
Markus Kohler
Developer Advocate, PubNub
Consistent Hashing in Distributed Systems
BuildFeb 8, 2024

Consistent Hashing in Distributed Systems

Imagine you're designing an advanced system that must distribute data across various physically separated nodes. You could be storing diverse data like chat messages on different servers or customer analytics across multiple storage clusters.
Darryn Campbell
Darryn Campbell
Developer Advocate, PubNub
Build a LLM Chatbot with a Custom Knowledge Base
BuildFeb 1, 2024

Build a LLM Chatbot with a Custom Knowledge Base

You'll learn how to seamlessly integrate a custom knowledge base using Vectata while leveraging the power of PubNub Functions for your server side implementation and one of our SDKs for your Chat Functionality.
Markus Kohler
Markus Kohler
Developer Advocate, PubNub
Modern Air Quality Monitor with Instant Alerts
BuildJan 30, 2024

Modern Air Quality Monitor with Instant Alerts

Create your own comprehensive system to monitor air quality (carbon monoxide levels), temperature, and humidity, and display readings on a live dashboard with instant alerts using PubNub, all in real time.
Oliver Carson
Oliver Carson
Developer Advocate, PubNub