Tien's Blog

Volt/Amp Meter with INA219, Nano and LCD display

tien@tienng.xyz (Tien Nguyen) — Sun, 30 Nov 2025 14:07:02 +1100

Building a DIY Power Meter & Logger with Arduino Nano and INA219

In this project, I’ll walk you through how I built a simple but accurate power meter and data logger using three main components: an Arduino Nano, the INA219 current/voltage monitoring IC, and a 16×2 LCD display. The goal was to create a compact device that can measure voltage, current, and power in real time—and also log the data for later analysis.

My Own Email Domain

tien@tienng.xyz (Tien Nguyen) — Sat, 21 Dec 2024 14:27:51 +1100

How to Set Up Your Own Email on Your Domain Name

Having your own email address at your custom domain name adds a professional touch to your communications. This guide will walk you through the process of setting up your own email address using your domain and integrating it with Gmail for sending and receiving emails. This guide will show how I set up my own email address at tien@tienng.xyz.

SSH Connection (Without Password) to a Remote Server

tien@tienng.xyz (Tien Nguyen) — Thu, 19 Dec 2024 16:01:05 +1100

Introduction

Secure Shell (SSH) is a powerful tool for remotely accessing and managing servers. Setting up SSH key-based authentication eliminates the need for passwords and enhances security. This guide walks you through the process of setting up an SSH connection without a password to a remote server.

RaspberryPi Home Server

tien@tienng.xyz (Tien Nguyen) — Tue, 17 Dec 2024 15:01:15 +1100

Setting Up a Raspberry Pi Home Server with Docker

A Raspberry Pi can be transformed into a powerful and lightweight home server with the right configuration. In this guide, I will walk you through my setup process, starting from installing the Raspberry Pi OS Lite to configuring Docker containers and setting up essential services for remote file access, media streaming, and more.

How did I build this blog?

tien@tienng.xyz (Tien Nguyen) — Sat, 23 Nov 2024 23:00:55 +1100

Inspiration

I had always wanted to build my own website, no Wordpress or any third-party hosting bloats that rip your pocket! This is also for storing information and experiences I gained throughout my learning journey in the world of tech and engineering so I don’t have to crawling through my dusting physical A4 notebooks or proprietary gg docs :/

Arch linux Setup and common Linux Errors

tien@tienng.xyz (Tien Nguyen) — Wed, 17 Jan 2024 15:02:12 +1100

How to Install Arch Linux

Make sure that the machine is not in Secure Boot mode to prevent further authentication or you will end up with a black and yellow window and can’t do anything.

Sample Post

tien@tienng.xyz (Tien Nguyen) — Mon, 25 Dec 2023 00:00:00 +0000

This is a sample post where you can understand how this is working.

Nulla quis sem at nibh elementum imperdiet. Duis sagittis ipsum. Praesent mauris. Fusce nec tellus sed augue semper porta. Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Curabitur sodales ligula in libero. Sed dignissim lacinia nunc.

Understanding Hugo Shortcodes

tien@tienng.xyz (Tien Nguyen) — Thu, 30 Nov 2023 00:00:00 +0000

Hugo shortcodes are powerful tools for adding custom HTML or other special content within Markdown files without complex code. They enable enhanced flexibility and are a core part of Hugo’s functionality, offering reusable snippets for embedding media, custom components, or dynamic content. Below, we’ll explore what shortcodes are and highlight some popular examples.

Lightbi Custom Shortcodes

tien@tienng.xyz (Tien Nguyen) — Fri, 24 Nov 2023 00:00:00 +0000

To create your own shortcodes in Hugo, add an HTML file in layouts/shortcodes/. This theme provides the following useful custom shortcodes:

Info card

Displays information in a card format.

Shortcode

{{/* < info_cards header="lorem-ipsum" title="What is Lorem Ipsum?" content="Lorem Ipsum is simply dummy text of the printing and typesetting industry." > */}}

Output

What is Lorem Ipsum?

Lorem Ipsum is simply dummy text of the printing and typesetting industry.