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ARM / Single Board Computer

📌 12 de Outubro, 2024

RP2040: Paving the way for Intel on the SBC Market

This is an opinion article where I explain why I believe that the RP2040 chip from the Raspberry Pi Foundation just opened the door for Intel to be an important player on the SBC market. At the same time the Pi Foundation may enter other profitable businesses typically held by FTDI.

📌 18 de Junho, 2022

Raspberry Pi: Stream a Webcam to VLC

In this post you’ll learn how to turn a webcam and a cheap Raspberry Pi into a powerful CCTV setup that allows you to stream video into any VLC compatible device. For this guide I picked a C920 HD camera and a Raspberry Pi 4.

📌 1 de Novembro, 2021

NanoPi M4: BMP280 Temperature Sensor

BMP280 is a digital temperate and pressure sensor manufactured by Bosch Sensortec. At the end of this post you’ll be able to read values from it in Python.

📌 26 de Setembro, 2021

NanoPi M4: Python GPIO Tutorial

Recently I published an article explaining how to read and write to your NanoPi M4 or M4V2 digital pins from bash, now I’ll be doing the same from Python with the help of a few libraries.

📌 25 de Setembro, 2021

NanoPi M4: GPIO Tutorial

In this guide you’ll find out how to read and write values to your NanoPi M4 or M4V2 digital pins also known as GPIO. This low level interface allows you to control digital electronic circuits directly from Linux.

📌 30 de Novembro, 2019

NanoPi NEO 2: Overclock

NanoPi NEO 2 is a very cheap (15$) and very good single board computer featuring a 64 bit quad-core ARM CPU. The only drawback one might found is the CPU locked between 816 MHz and 1 GHz. Today I’ll teach your how to safely overclock your NEO 2.

📌 4 de Fevereiro, 2019

NanoPi M4 / RK3399: Network Issues

So you got an amazing ARM SBC with the RK3399 CPU (NanoPi M4 / RockPro64 / Rock Pi 4B), so much power into such small form factor. Now you are trying Apache or other network intensive tasks and your network seems to crash randomly after a while or whenever it is under load? Learn what the cause of this common and how to fix it.

📌 30 de Janeiro, 2019

Armbian: Enable AppArmor

AppArmor allows you to restrict programs’ capabilities with per-program profiles. Profiles can allow capabilities like network access, raw socket access, and the permission to read, write, or execute files on matching paths. Learn how you can enable it in Armbian for a safer SBC.

📌 27 de Janeiro, 2019

Armbian: Get Your LEDs Under Control!

Contrary to popular belief the LEDs flashing in your computer/SBC don’t make it run faster. Controlling LEDs on Armbian is very easy, learn how on this quick guide.

📌 24 de Agosto, 2018

Sheevaplug 2018: Unbrick

Did you manage to get your Sheeveplug bricked? An upgrade went wrong? Is your device completely unresponsive and unusable? This guide covers how you can use openocd and an old version of Sheevaplug’s U-boot in order to unbrick it.