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Raspberry Pi

A Raspberry Pi is a piece of hardware called a micro-controller.
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Raspberry Pi github.com

Turn a Raspberry Pi into an Airplay server

This is a wrapper script that simplifies deployment of RPiPlay, which does the heavy lifting. How well does it work?

Screen mirroring and audio works for iOS 9 or newer. Recent macOS versions also seem to be compatible. The GPU is used for decoding the h264 video stream. The Pi has no hardware acceleration for audio (AirPlay mirroring uses AAC), so the FDK-AAC decoder is used for that.

Both audio and video work fine on a Raspberry Pi 3B+ and a Raspberry Pi Zero, though playback is a bit smoother on the 3B+

Raspberry Pi github.com

MagInkCal syncs your Google calendar with a framable e-ink display

This incredibly cool DIY e-ink calendar uses a Raspberry Pi Zero WH to do its thing. Here’s how it works:

Through PiSugar2’s web interface, the onboard RTC can be set to wake and trigger the RPi to boot up daily at a time of your preference. Upon boot, a cronjob on the RPi is triggered to run a Python script that fetches calendar events from Google Calendar for the next few weeks, and formats them into the desired layout before displaying it on the E-Ink display. The RPi then shuts down to conserve battery. The calendar remains displayed on the E-Ink screen, because well, E-Ink…

MagInkCal syncs your Google calendar with a framable e-ink display

Raspberry Pi github.com

A low power 1U Raspberry Pi cluster server

There are server colocation providers that allow hosting a 1U server for as low as $30/month, but there’s a catch: There are restrictions on power usage (1A @ 120v max, for example) because they’re expecting small and power-efficient network equipment like firewalls.

This repo is about designing a server that fits within the 1U space and 1A @ 120v power constraint while maximizing computing power, storage, and value.

A low power 1U Raspberry Pi cluster server

Opensource.com Icon Opensource.com

How I teach Python on the Raspberry Pi 400 at the public library

Don Watkins:

Mark Van Doren said, “the art of teaching is the art of assisting discovery.” I saw that play out in this classroom using open source tools. More students need opportunities like this to help them gain a quality education. The Raspberry Pi 400 is a great form factor for teaching and learning.

Such a cool program that’d be easy to reproduce in your local library.

Raspberry Pi raspberrypi.org

A $70 desktop Raspberry Pi in a keyboard (!)

You likely already saw this, but I don’t even care because I have to link to it because it is so freakin’ cool!

We’ve never been shy about borrowing a good idea. Which brings us to Raspberry Pi 400: it’s a faster, cooler 4GB Raspberry Pi 4, integrated into a compact keyboard. Priced at just $70 for the computer on its own, or $100 for a ready-to-go kit, if you’re looking for an affordable PC for day-to-day use this is the Raspberry Pi for you.

A $70 desktop Raspberry Pi in a keyboard (!)

Raspberry Pi github.com

A virtualized Raspberry Pi inside a Docker image

Gives you access to a virtualised ARM based Raspberry Pi machine running the Raspian operating system. This is not just a Raspian Docker image, it’s a full ARM based Raspberry Pi virtual machine environment.

How it does its thing:

A full ARM environment is created by using Docker to bootstrap a QEMU virtual machine. The Docker QEMU process virtualises a machine with a single core ARM11 CPU and 256MB RAM, just like the Raspberry Pi. The official Raspbian image is mounted and booted along with a modified QEMU compatible kernel.

Raspberry Pi cutiepi.io

A complete Raspberry Pi in a tablet form factor

CutiePi is a good name for this device. It sure is cute!

We believe in open source, and we believe people should have control over the technology they use. Everything you see here is open source – schematics, PCB, drivers, firmware, UI, everything.

It’s still early (no pricing, for example), but they’re shooting for a release before 2019 is out.

A complete Raspberry Pi in a tablet form factor

Apple github.com

How far can JavaScript take us?

Tanner Villarete asked himself, “How far can JavaScript take us?” Then answered:

Turns out, pretty dang far. This web app was my attempt at mimicking Apple’s iOS music app, and I think I’ve come pretty close!

I have to admit, he did a pretty good job. The frontend is built on React and Redux. The backend? A Laravel-based API running on a Raspberry Pi!

Here’s the live demo, but be nice because Raspberry Pi.

Learn github.com

Learn OS development using the Linux kernel and a Raspberry Pi

This repository contains a step-by-step guide that teaches how to create a simple operating system (OS) kernel from scratch. I call this OS Raspberry Pi OS or just RPi OS. The RPi OS source code is largely based on Linux kernel, but the OS has very limited functionality and supports only Raspberry PI 3.

6 lessons available with 5 more on the roadmap.

The Verge Icon The Verge

The new Raspberry Pi has 5 GHz Wi-Fi and Bluetooth 4.2

Paul Miller with a good breakdown of what’s new (and what’s not) in the latest Raspberry Pi:

The new board has a slightly faster 1.4 GHz quad-core processor, Bluetooth 4.2 (an upgrade from 4.1), and dual-band Wi-Fi.

Sounds like an incremental upgrade, but progress nonetheless. It never ceases to amaze me how much value they cram in to these things for just $35. And so cute!

The new Raspberry Pi has 5 GHz Wi-Fi and Bluetooth 4.2
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