Hardware ← ABrandão.com

Keeping your Screen active… DIY Arduino-Powered Mouse Jiggler

Feb

3

2025

Ever wished your mouse had a mind of its own? Well, with a little Arduino magic, you can make it dance across your screen in a variety of patterns! Here’s a simple Arduino sketch hat does just this, and I’m excited to share my insights and explorations with you. You can always just buy ready ...

Exploring LoRa, Meshtastic, and the Radios Powering off-grid communications 2

Jan

23

2025

In a world dominated by smartphones, Wi-Fi, and 5G, there’s a quiet revolution happening in the realm of off-grid communication. Enter LoRa (Long Range) and Meshtastic—a dynamic duo that’s empowering hobbyists, preppers, and tech enthusiasts to build their own decentralized communication networks. Whether you’re planning a weekend hike, preparing for the apocalypse, or just love ...

Expanding Your UGREEN NAS Drive Experience with Third-Party Apps 7

Jan

8

2025

UGREEN DX4800 – 4 bay NAS For UGREEN NAS users looking to enhance their system with functionality similar to QNAP or Synology’s mature ecosystems, there’s a wealth of open source solutions available. This guide explores alternatives to popular proprietary NAS software apps and features, helping you build a comprehensive storage solution. Because UGREEN is a ...

Microchip magic, the amazing science behind ASML EUV lithography machine

Dec

29

2023

Came across a series of videos explaining the intracacies of modern silicon chip fabricaion (Fab) , and was fascinated by the sheer complexity of making tiny transistors and circuits. In the heart of the silicon revolution, where chips smaller than snowflakes power our world, lies a Dutch titan: ASML. Their claim to fame? Lithography machines, ...

How to turn on your iPhone’s hotspot automatically when getting into your car .

Oct

20

2023

A common thing in most of today’s autos is to have a Internet connected head unit (dashboard display screen) so you can stream music or use Google Maps or Waze to navigate. But in.order for this to work you need an internet source, There are. a couple of ways to do this.. Using your Phone ...

Review Ford Fusion ( Mondeo) Android Car Radio infotainment with Navigation 28

Dec

10

2019

2014 Ford Fusion car Android radio upgrade… Having purchased my 2014 Ford Fusion , I quickly realized that the crappy stock Ford Sync (powered by Microsoft== “Microcrap“) was not going to cut it. The stock radio Ford Sync leaves a lot to be desired, overzealous use of buttons, dated voice recognition via Sync, dated ...

Easy battery powered Mailbox Door IoT sensor using ESP32 38

Apr

16

2018

This post is how I took my rusty (literally) old mailbox and made it into a battery powered smart mailbox (an IoT device) , that sends you an SMS (text messagE) or MQTT alerts, and in the process how I learned about Arduino and particularly the ESP32 chip which lets us relatively easily setup with minimal ...

Raspberry Pi Zero W LED matrix stock ticker code and demo 4

Feb

28

2018

So I was recently intrigued by Raspberry Pi Zero W, it’s small ARM-based Linux PC with integrated WiFi and ability to connect shields (known as Hats or pHats in Raspberry lingo) , got me thinking what kinds of interesting applications could I use it for. After coming across the Scroll Phat HD in my electronics ...

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