atomic14

How do we debug?

A programming classic

25 August 2020

Augmented Reality In The Browser

You can try it out for yourself using this link https://sudoku.cmgresearch.com - just hold a Sudoku puzzle up to your WebCam. Or try it on your mobile phone - it should work pretty well in a mobile browser.

25 July 2020

Self Organising WS2811 LEDs

Lots of LEDs? It’s not Christmas yet!

05 June 2020

Vision Kit and CoreML

In this blog post I want to run through the process of wiring up the iPhone’s camera to CoreML using Vision Kit. This will let us run CoreML models against the camera input.

22 June 2017

Adding Swap to Elastic Beanstalk

One thing that you may find when running Elastic Beanstalk on small instances is that you can run out of memory very easily.

04 June 2017

Step 8: Set up Active Job on Elastic Beanstalk

Active Job is a framework for declaring jobs and making them run on a variety of queuing backends. In this post we’ll be setting up a worker environment on Elastic Beanstalk and using SQS as our Active Job queue.

21 May 2017

Connecting PSQL and Rails Console to Elastic Beanstalk

In a recent sequence of posts on deploying a Rails application to Elastic Beanstalk (Step1 is here) we set up a secure VPC with public and private subnets. Part of this secure setup is to place your PostgreSQL database server in the private subnets and not make it publicly accessible.

21 May 2017

.Net Core and PostgreSQL on the Mac

Microsoft have slowly been making progress with their cross platform efforts and .NET Core is starting to look like it might be interesting. In this post we look at integrating a .NET Core Web API with PostgreSQL running a mac (this code should also work on Linux).

14 May 2017

Step 7: Action Cable on Elastic Beanstalk

Action Cable debuted at RailsConf 2015 and is now part of Rails 5. Built on top of WebSockets it provides real time communication with your backend server.

11 May 2017

Step 6: Add a Custom Domain and SSL to Elastic Beanstalk

In this step we setup a custom domain name to point at our Elastic Beanstalk environment and configure it to use SSL.

07 May 2017

Step 5: Use CircleCI to Deploy To Elastic Beanstalk

In the previous step we deployed our Rails application from the command line to Elastic Beanstalk. In this step we setup CircleCI to deploy our application directly out to Elastic Beanstalk when code is pushed to GitHub.

07 May 2017

Step 4: Deploy Rails App To Elastic Beanstalk from Command Line

In this fourth step we create a new Rails application, scaffold a model and deploy the application out to Elastic Beanstalk from the command line. We connect this application up to our RDS instance and show that it connects successfully with the dev database.

07 May 2017

Step 3 - Configure RDS: Deploying a Rails Application to Elastic Beanstalk

In this third step we create an RDS instance running Postgres in our VPC using our private subnets. We connect to the database using our Bastion server and create dev and production databases.

07 May 2017

Step 2 - Setup Elastic Beanstalk: Deploying a Rails Application to Elastic Beanstalk

This is the second post in a series of blog posts that describe how to deploy a Rails application to Elastic Beanstalk in a Virtual Private Cloud (VPC) on Amazon AWS.

07 May 2017

Step 1 - Setup VPC: Deploying a Rails Application to Elastic Beanstalk

This is the first in a series of blog posts that describe how to deploy a Rails application to Elastic Beanstalk in a Virtual Private Cloud (VPC) on Amazon AWS.

01 May 2017

Raspberry Pi BTLE Device

We’ve just finished the first iOSCon hackathon. Some great work was done with the Affectiva emotion SDK along with some great stuff with Estimotes and Scentees.

18 May 2014

Raspberry Pi iBeacon

Following the instructions here I decided to try turning my Pi into an iBeacon.

13 May 2014

Raspberry pi Infrared Receiver

To get my infrared receiver working with my Raspberry Pi I followed the great instructions provided here.

13 May 2014