Flip Dot Displays with Raspberry Pi
Flip dot displays were a popular way of displaying destination information on buses and other forms of public transport. A flip dot ...
Things on Thursdays: A Live Streaming Series
As part of my job as the Principal Developer Advocate at Redis, I’ve been producing a live stream series in which I take a look at ho...
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Flip Dot Displays with Raspberry Pi
Flip dot displays were a popular way of displaying destination information on buses and other forms of public transport. A flip dot sign is a matrix of individual dots, each having a...
In IoT, Coding, Raspberry Pi, JavaScript, Python,
Taking Pictures with Raspberry Pi and Redis
“How can you store images in Redis from a Python script?” - I was asked this by someone looking to build an IoT project that used Redis as the data store for image classification. Th...
In Redis, Raspberry Pi, Python,
Geodesic Lines with the Google Maps Geometry API
Who doesn’t like a good map? I’ve always enjoyed working with data that lends itself to mapping, and have built a few interactive things with the Google Maps API before. I’m also pr...
In JavaScript, Coding, Front End, Google Maps,
Plane Spotting with Redis, Node.js and MicroPython
I’ve always been interested to watch planes pass by, so I decided to build a plane tracking system… For this I used some existing software called dump1090 - it receives data broadcast...
In IoT, Coding, Raspberry Pi, Redis, JavaScript, Python,
Monitoring Redis Streams Consumer Group Lag with a Raspberry Pi Pico W
When working with streaming data or any sort of system where a data structure acts as a buffer or queue betwen producers and consumers, we often want to know how far behind the consum...
In IoT, Coding, Raspberry Pi, Redis, JavaScript, Python,
Hotel Room Service with Node RED and Redis on the Raspberry Pi
Node-RED is a low code graphical programming environment, often used to describe event driven IoT systems. In this project, I show how to build a flow that uses Redis Pub/Sub to mode...
In IoT, Coding, Raspberry Pi, Redis, JavaScript,
Wifi Setup with the Raspberry Pi Pico W
One of the problems associated with making and distributing IoT devices to consumers is dealing with having the consumer connect the device to their own wifi network when they first r...
In IoT, Coding, Raspberry Pi, Python,
Synchronised Counting with Redis and a Seven Segment Display
Counting things seems relatively easy, until it isn’t! In this project, I used Redis to maintain a central count that was displayed on and could be updated from a range of different ...
In IoT, Coding, Raspberry Pi, Python, JavaScript, Redis,
Cheerlights with MQTT and Redis Streams
CheerLights is a global network of synchronised lights that can be controlled by anyone. Tweeting a colour to the CheerLights Twitter account and talking to a bot on its Discord serv...
In IoT, Coding, Raspberry Pi, Python, Redis,
Environment Monitoring with Redis Streams, Raspberry Pi Pico W and MicroPython
The Raspberry Pi Pico W is an extremely capable microcontroller device from the Raspberry Pi Foundation. The W variant has on board support for wifi networking. This and the ability...
In IoT, Coding, Raspberry Pi, Python, Node.js, JavaScript, Redis,
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Making a Bus Stop API with Cloudflare Workers
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Building a Visual Bloom Filter with Raspberry Pi, Python and Unicorn Hat
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Building a Task Tracker with Arduino and LED Arcade Buttons
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Building a Smart Card Transit Ticketing System with Redis and Raspberry Pi
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A Look at Server Sent Events
In JavaScript, Node.js, HTML5, Front End, Coding,
