Category: Raspberry Pi

ZRAM Boosts Raspberry Pi Performance

Linux is a two-edged sword. On the one hand, there’s so much you can configure. On the other hand, there’s so much you can configure. It is sometimes hard to know just what you should do to get the best performance, especially on a small platform like the Raspberry Pi. [Hayden James] has a suggestion: enable ZRAM and tweak the kernel to match.

Source: ZRAM Boosts Raspberry Pi Performance | Hackaday
Also see: Raspberry Pi Performance: Add ZRAM and these Kernel Parameters (hayden-james@linux:~$ _)

iRaspbian Makes Your Raspberry Pi Work Like a Mac

Note: If you can’t find this anymore try reading the comments under the YouTube video.

This new Raspbian skin looks just like Apple Mac OS X.

Source: iRaspbian Makes Your Raspberry Pi Work Like a 2001 Mac | Tom’s Hardware

EDIT:  Apparently this is now called Twister OS:

 

Adding Ethernet to a Raspberry Pi Zero

If you have ever wanted to use a Raspberry Pi Zero with a wired Ethernet port, the article linked below shows an easy and inexpensive way to do it. Sure, you can always use one of those Ethernet to USB dongles but those cost more, and where’s the fun in that?

Adding Ethernet to a Pi Zero

Adding an Ethernet port to a Raspberry Pi Zero is quick and easy using a cheap ENC28J60 ethernet module. Start your Pi Zero Ethernet upgrade project now.

Source: Adding Ethernet to a Pi Zero – Raspberry Pi Spy

Connect up to 32 Relays to Raspberry Pi with a Stackable 4-Relay Board (Crowdfunding)

Two years ago, Sequent Microsystems introduced a stackable 8-Relay board enabling up to 64 relays to be connected to a single Raspberry Pi board. The 8-relay board only supported 24V/2.5A, and the company is now back on Kickstarter with a 4-relay board with 250V/10A line-switching relays that can offer up to 32 relays by stacking 8 boards connected to one Raspberry Pi board via the 40-pin I/O header.

Source: Connect up to 32 Relays to Raspberry Pi with a Stackable 4-Relay Board (Crowdfunding) (CNX Software – Embedded Systems News)
Also: Stackable Raspberry Pi add-on has four switched relays (LinuxGizmos)

Printing at home from your Raspberry Pi

To get printing up and working on your Raspberry Pi the first thing you need to do is install CUPS. CUPS is an open source printing system developed by Apple that uses the Internet Printing Protocol (IPP) to support printing to both local and network printers.

Source: Printing at home from your Raspberry Pi (Raspberry Pi Blog)

Linux users: How to Run Netflix in Kodi (original title: How to Run Netflix on the Raspberry Pi)

This is a case where a blog post is kind of mis-titled, and suggests that the article has more narrow application than it really does. The original title suggests it only applies to Raspberry Pi users, but if you actually read the article you find that the method shown should be equally applicable to any Linux-based distribution running Kodi, or at least to those Linux distros that are based on Debian (Debian, Raspbian, Ubuntu, Linux Mint, Elementary OS, Zorin OS, and many more). The same method would probably work on non-Debian-based distros as well, if you can get the required dependencies using their package managers, and if Kodi will run on them. I understand that it was published in a blog intended for Raspberry Pi users, so that’s probably why they tried to make it seem only relevant to the Raspberry Pi, but if you are running Kodi on some other Linux distro and want to view your Netflix content, you might try giving the method shown in this article a try:

How to Run Netflix on the Raspberry Pi – Pi My Life Up

Raspberry Pi Zero – Establishing an Ethernet connection (ENC28J60)

Thanks to the inexpensive Raspberry Pi Zero, Internet of Things (IoT) projects will continue to grow. One disadvantage which the Zero (not W) and A+ models have is the lack of Ethernet connectivity. That would not be a problem, if not just a single (micro) USB port onboard.

In order to connect these models with the network by Ethernet cable without a WLAN adapter, one can do this over the GPIOs: All you need is the “ENC28J60” module, the connection of which is shown in this tutorial.

Source: Raspberry Pi Zero – Establishing an Ethernet connection (ENC28J60) (Raspberry Pi Tutorials)

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