For a while now I’ve been meaning to write a blog about the time I’ve spent so far working as an architect at Leaven — I was going to do back in November last year as it marked exactly a year I’ve joined Leaven: it didn’t happen then, and it…

Introduction In my previous AWS IoT Cat feeder project I used a Lambda function as the event handler each time the Seeed Studio AWS IoT 1-click button was pressed, the Lambda function in turn published an MQTT message to AWS Iot Core which is received by the Cat Feeder (via a…

Months prior to the very first lockdown I had gotten myself on the waitlist for a 4x4 Jimny, so I could take it to the beach without worrying about getting beached like I likely would in a regular front wheel drive hatchback; or take it to the bushes to climb…

New Blog Series — AWS Amplify I’m starting a new blog series where I will be documenting my build of a full-stack Web and Mobile application using AWS Amplify to implement both the frontend, as well as the backend; whilst developing dependent downstream Services outside of Amplify using AWS Serverless components to implement a Micro-Service architecture…

For a personal project of mine, I like to be able to analyse the pattern of New Zealand’s electricity Spot Prices; to identify the cheapest hours during the day to pull power from the grid, as well as, the best time of the day to sell back to the grid. …

If you are forgetful when it comes to feeding your fur babies like me, and you often only realise you need to put some dry food into the bowl when you are at work then you should read these series of blogs. Over time, I’ll be designing and building a…

The source code for this blog can be found in my Github repository: https://github.com/chiwaichan/aws-iot-cat-feeder. This repository only includes the source code for the solution implemented up to this stage/blog in the project. In the end I decided to go with the Seeed Studio XIAO ESP32C3 implementation of the ESP32 micro-controller…

Introduction Recently, I was tasked with coming up with a solution for a single website instance to host various pockets of documentations scattered across a growing number of Git repositories; each repository hosted documentation for a specific subject domain written in Markdown format — you may have come across README.md …

In this Part 3 of the blog series I talk about my experience printing objects using a 3D Printer for the first time. In Part 1, I talked about setting up an IoT Button; and in Part 2, I talked about publishing events to an Adruino Micro-controller from AWS. After…