Articles

MongoDB K8s manifest

Here's a simple manifest to deploy MongoDB with data persistence in microk8s:
MongoDBKubernetes

Cert-manager Certificate Issuer

With cert-manager installed, SSL certificates can be automatically obtained for Ingresses deployed in a Kubernetes cluster. To achieve this, one must deploy the appropriate ClusterIssuers to the cluster. Here are example manifests to do so.
KubernetesTutorials

K8s NGINX Deployment for Ingress test

An NGINX container can be quite useful to test whether one's Kubernetes setup is working. Here is one example manifest file that deploys such container with an appropriate service and ingress.
TutorialsKubernetes

IoT pan-tilt platform

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With the COVID-19 pandemic, many of us cannot participate in family gatherings or other similar events in person. Instead, some opt for video-call applications like zoom, but then get constrained to the field of view of camera of the device used for the call.
ElectronicsIoTWIPMQTTProjects

Encrypting Mosquitto using Certbot

This article presents how to encrypt a Mosquitto MQTT broker using SSL certificates obtained with Let's Encrypt
SecurityMQTTTutorials

Energy transformation demonstration

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Earlier this year, a friend of mine was organizing an event to promote eco-friendly behaviors. She wanted someone to talk about our relationship with energy and asked me to give a presentation on the topic, which I agreed to. I wanted the presentation to be entertaining so I designed a set of hardware demonstrations aimed at explaining physical concepts related to energy.
EnergyElectronicsWIPProjectsIoT

RFID wristband

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RFID tags are great but often easy to lose. To solve this problem, I designed this case for an RFID tag, which can be worn on one's wrist using a standard watch strap. The case was designed using Fusion360 and then 3D printed.
3D printingWIPProjectsRFID

Deploy a Neo4J instance in Kubernetes

Using this manifest, a Neo4J instance can be deployed in a Kubernetes cluster
KubernetesNeo4J

Loading an Neo4J 3.X database in a Neo4J 4.X instance

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Importing data from a Neo4J v3 database into a v4 one can be a hassle. Here are the steps to achieve the migration.
TutorialsNeo4J

3D printed bracket for fume extractor

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I got myself a fume extractor but it takes a rather large amount of real-estate on my desk. I decided to mount it on an arm so that I could easily move it out of the way so I designed and 3D printed an attachment bracket for it.
3D printingCADProjects