Control a Macintosh Classic CRT with a BeagleBone Black – Part 3

Introduction

This is the final part of my series discussing my Macintosh Classic CRT project. In this article I want to give you a summary of my future ideas for the macdisplay project.

Continue reading Control a Macintosh Classic CRT with a BeagleBone Black – Part 3
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Control a Macintosh Classic CRT with a BeagleBone Black – Part 1

Introduction

This article will explain how the timing of the Macintosh Classic CRT works and how I tried (and failed) to interface it with the Raspberry Pi, and how I successfully interfaced it with the BeagleBone Black’s PRU.

Continue reading Control a Macintosh Classic CRT with a BeagleBone Black – Part 1

How to use hardware PWM/CLK to get exact timings on a Raspberry Pi

Introduction

This might not be a common issue, that hobbyists run into when creating their projects, because usually the software PWM, offered by the raspberry pi’s RPi.GPIO-Module, is exact enough for dimming some lights or controlling dc-motors. But for real-time and time-critical applications, this is actually an issue: Continue reading How to use hardware PWM/CLK to get exact timings on a Raspberry Pi