Embedded Systems Weekly – Issue 59

Issue 59 – 1 July 2016

Hardware

6502 Microprocessor Kit

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The Optimum Method To Test The Output Ripple & Noise Of Power Supplies

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LDMOS Amplifiers

Frequently, the author will install a control system to later find out –it doesn’t work or work properly. Have you been there? His aim with this project is to find those anomalies and “gotcha’s” before the first wire is connected to anything. That is the beauty of the Arduino Mega 2560 –lots of pins and you can simply hang a LED on any pin to see if the circuit is controlling as it should.Share on Twitter ∙ Share on Facebook

Software

memcpy (and friends) with NULL pointers

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Running COBOL on Arduino using the Meson Build System

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NASA Software Safety Guidebook

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Exploiting ELF Expansion Variables

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Why do we use the Linux kernel's TCP stack?

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Misc

The Daredevil Camera

Once upon a time Artem Litvinovich was reading a Popular Mechanics article, the title of which eludes him. Something about playing different music for different parts of a dance floor. They were describing a way to focus sound towards different people.
Imagine using such lenses to focus sound onto a plane of microphones. Just like light in a camera. One microphone is one pixel. An ability to see sound.Share on Twitter ∙ Share on Facebook

Video: Make the World's cheapest MIDI Tester

A quick and dirty (and cheap) MIDI tester.Share on Twitter ∙ Share on Facebook