Articles

水耕栽培システム

水耕栽培システム thumbnail
土を使わず、インドアでレタスを作れるシステム
日本語

指紋リーダブリーフケース

指紋リーダブリーフケース thumbnail
ブリーフケースには電子ロックと指紋リーダがついてるので、指で解除される。
日本語

systemd

Let's imagine the file server.js which, when executed by Node.js, serves web pages to connecting clients. A trivial way to execute server.js using NodeJS would be to run the following bash command in a terminal:
LinuxTutorials

kubectl basics

Here are some of the basic kubectl commands.
TutorialsKubernetes

connect-history-api-fallback ignore certain routes

For example, if the route /file needs to be handled by express and not the single page application:
Node.js

Wireless motion sensor

Wireless motion sensor thumbnail
This is a wireless motion sensor that runs on rechargeable batteries. It can be deployed anywhere and sends a signal using an NRF24L01 wirless module whenever it detects motion.
ElectronicsProjectsArduino

WiFi light bulb controller

WiFi light bulb controller thumbnail
Wifi controlled smart light bulbs can now be purchased from less than USD 10. However, those can often only be used by a specific application provided by the vendor and can involve exchanging data with a third party server. I wanted a solution to use my own software while benefiting from the cheap hardware so I replaced the wifi module of a a cheap Wifi light bulb my own electronics.
SMDProjectsIoTWIPPCB design +1

Weight tracker

Weight tracker thumbnail
Managing one's body weight can be quite a challenge. And as the quote from Peter Drucker goes, "You can't manage what you can't measure". So, I built a body weight scale that can upload data to an API of my choice, which was the object of this article.
ProjectsInfluxDBExpressNode.js

Web based approval system

Web based approval system thumbnail
With the COVID-19 and the introduction of remote work, a many Japanese companies were struggling with the approval of documents, since those needed to be physically stamped with one's personal seal named Hanko. I decided to solve this issue by creating a web application to keep track of approvals
Vue.jsNode.jsProjectsExpress

Wardrobe and outfits management web app

Wardrobe and outfits management web app thumbnail
Have you ever bought a piece of clothing only to come home and realize you already had a similar one in your wardrobe? This happened to me the other day so I decided to fix the problem. To do so, I designed a simple web application in which the user can keep track of all the garments they own.
Vue.jsMongoDBMongooseVuetifyWIP +3