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DTMF Generator on Rotary Phone & OS Agnostic Computing


March Meeting: DTMF Generator on Rotary Phone & OS Agnostic Computing

Date: March 2, 2017 at 7 p.m.
Location: Algonquin (Woodroffe) P213a

This month we will be having a talk on on making a rotary phone useful in a tone driven world and a discussion on os-agnostic computing.


There will be a one hour pre-meeting item from 18:00 to 19:00 for people who are new to Linux, have general questions, or wish to help out with people who are just getting started.

After Meeting Social:

After the meeting, there will be a social event at one of the nearby pubs or restaurants. A short discussion and vote as to location will be taken then.

GPG Keysigning:

After the main talk there will be the opportunity for a GPG key signing. This is a monthly offering, just look for Scott after the talk and we can go from there. Bring some kind of photo ID and some keyslips if you expect people to sign your key.If you need some method of creating pages of keyslips, there is an online slip generator available.

Rotary Phone

DTMF generation on a rotary phone

Speaker: Scott Murphy

This talk is based on a recent desire to put an old rotary phone in my guest room. This is part of a larger project, but first the phone.

Some simple electronics for those interested and an ATTINY45 chip to be the dialer.

About the Speaker

Scott has been haunting server rooms and using/administrating Unix and Unix like systems for more than 30 years now. His background includes IT infrastructure, system administration, deployments and migrations, security and management. He is currently working as a consultant for the federal government.

OS Cloud

OS Agnostic Computing

Speaker: Ian Gorman

Many of us have strong preferences for particular operating systems. However, much of the work we do does not require any particular operating system, and some of us have to work with more than one operating system, or with several systems at once. This short presentation will cover cross-platform portability for data and applications. It will be followed by a discussion about what should be covered in a more detailed second presentation about OS-agnostic computing.

About the Speaker

Ian has a lot of experience at applying experience outside of its original box.

He has solved problems in Economics, Math, Computer Science, logic based controllers, bicycles, and human relations, generally mixing in information from at least one other discipline or computer language to make it work, or work better. His experience with computers includes Linux, Mac, and several server OSes from IBM, Sun, and others. He has worked with drivers, parsers, API design, business rules, Java garbage collectors, and some less exotic code that just needed to work.

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