From jep200404 at columbus.rr.com  Fri Dec  1 09:39:37 2017
From: jep200404 at columbus.rr.com (jep200404 at columbus.rr.com)
Date: Fri, 1 Dec 2017 09:39:37 -0500
Subject: [carpe] 2017-12-12 CARPE Meeting Announcement
Message-ID: <20171201093937.67ac136d.jep200404@columbus.rr.com>

CARPE is back! We are meeting on SECOND Tuesday.

2017-12-12 Tuesday CARPE Meeting

All are welcome, especially beginners.

General Meeting Schedule

* 6:00 pm: eat and socialize at The Forge
* 6:30 pm: presentations start
* 8:00 pm: presentations stop; adjourn to Brazenhead for more socializing, eating, ...

See http://colug.net/carpe

From iammcgaber at gmail.com  Tue Dec 12 13:17:59 2017
From: iammcgaber at gmail.com (Gabriel Sheeley)
Date: Tue, 12 Dec 2017 13:17:59 -0500
Subject: [carpe] Meeting Tonight
Message-ID: <356445B9-9C1E-4A79-A9B4-79CC1AF6DB7B@gmail.com>

Greetings fellow makers.  After a long hiatus we will be meeting again tonight at Pillar.  Come one come all.  6-whenever.  

ps. If you do plan on coming please post a response so that I can get a slightly more accurate count for pizza.

Thanks,

Gabriel Sheeley



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From herrold at owlriver.com  Tue Dec 12 13:56:18 2017
From: herrold at owlriver.com (R P Herrold)
Date: Tue, 12 Dec 2017 13:56:18 -0500 (EST)
Subject: [carpe] Meeting Tonight
In-Reply-To: <356445B9-9C1E-4A79-A9B4-79CC1AF6DB7B@gmail.com>
References: <356445B9-9C1E-4A79-A9B4-79CC1AF6DB7B@gmail.com>
Message-ID: <alpine.LRH.2.03.1712121355510.26545@bjyevire.pbz>

On Tue, 12 Dec 2017, Gabriel Sheeley wrote:

> ps. If you do plan on coming please post a response so that I can get a slightly more accurate count for pizza.

I shall attend tonight

-- Russ herrold


From jep200404 at columbus.rr.com  Tue Dec 12 16:45:13 2017
From: jep200404 at columbus.rr.com (jep200404 at columbus.rr.com)
Date: Tue, 12 Dec 2017 16:45:13 -0500
Subject: [carpe] Meeting Tonight's Presentation: Heat Sensor
In-Reply-To: <356445B9-9C1E-4A79-A9B4-79CC1AF6DB7B@gmail.com>
References: <356445B9-9C1E-4A79-A9B4-79CC1AF6DB7B@gmail.com>
Message-ID: <20171212164513.5626b169.jep200404@columbus.rr.com>

On Tue, 12 Dec 2017 13:17:59 -0500, Gabriel Sheeley <iammcgaber at gmail.com> wrote:

> After a long hiatus we will be meeting again tonight at Pillar.  

Jim Prior will give a presentation on the non-contact
temperature measurement system he has been working on.

Someone else will bring some interesting hardware for 
others to look at.

From herrold at owlriver.com  Wed Dec 13 15:03:19 2017
From: herrold at owlriver.com (R P Herrold)
Date: Wed, 13 Dec 2017 15:03:19 -0500 (EST)
Subject: [carpe] meeting planning: Soldering project // TDD USB _controlled_
 'traffic light'
In-Reply-To: <20171213133421.004f9138.jep200404@columbus.rr.com>
References: <20171213133307.5d9ab2ca.jep200404@columbus.rr.com>
	<20171213133421.004f9138.jep200404@columbus.rr.com>
Message-ID: <alpine.LRH.2.03.1712131404120.27784@bjyevire.pbz>


I found my (rather over-engineered) ThinkM 'block' v.2 device 
... I think I probably supported their Kickstarter for the 
initial one

The packaging notes they have set up an 'IFTTT'  control 
instance at:
	http://ifttt.com/blink1/

with 'free' starter accounts
	

There are ready built 'transiently displayed' status message 
tools for X-tops [1], and OS/X .. and one assumes MSFT kit, 
that move onto, linger, and then self-hide after a 
configurable timeout

The various windowing tool kits tend to add this as well

[herrold at centos-7 ~]$ rpm -qa \*dialog\*
python2-dialog-3.3.0-6.el7.noarch
dialog-1.2-4.20130523.el7.x86_64


Wrapping a go / nogo TDD tool to poke a script, which in 
turns:
	1. pokes IFTTT to toggle state
	2. display that message

seems trivial.  We can breadboard such together with an 
ESP8266 or ESP32, and be most of the way home [2] plus ( [3] 
[4] ) -or- [5] for under $20, and have nice storage cases and 
much 'junk box' bait left over.  My 'BangGood' fu is failing 
me a bit on finding a multi-color LED, and nice boxed set of 
resistor assortment.  There is a possible 15 pct coupon as 
well: DIYSCM


Designing a PCB for discrete components, using an USB plug and 
either take a variable color led, or three -- R Y G -- leds as 
a soldering project comes to mind.  For doing the copper 
etching, drilling, silkscreen and such OSH park seems to have 
a good reputation [6]


We need to decide if it 'plugs into' the USB port directly, or 
uses a micro / mini cable, and has a 'header' on the PCB; also 
socketed or no for the ESP, and single or multiple LED 
drivers, and of course current limiting resistors to protect 
the magic smoke.  Perhaps local power conditioning and an 
over-voltage 'crowbar' protector. I sort of forget if current 
limited Darlington pair components <?> exist

-- Russ

1. xmessage -timeout 10 "broken build" &

[herrold at centos-7 ~]$ rpm -qf `which xmessage`
xorg-x11-apps-7.7-7.el7.x86_64


2. Wemos? Lolin ESP32 OLED Module For Arduino ESP32 OLED WiFi 
+ Bluetooth Dual ESP-32 ESP-32S ESP8266 OLED Module $  10.49 
or $ 12.20 ... use the .cn whse for less expensive

3. Geekcreit? 375pcs 3MM 5MM LED Light Emitting Diode Beads 
Resistance Lights Kits Bulb Lamp -- $ 4.26

https://www.banggood.com/375pcs-3MM-5MM-LED-Light-emitting-Diode-Beads-Resistance-Lights-Kits-Bulb-Lamp-p-1027601.html?rmmds=search

4. Geekcreit? MB-102 MB102 Solderless Breadboard + Power 
Supply + Jumper Cable Kits Dupont Wire For Arduino -- $ 6.11

https://www.banggood.com/MB-102-MB102-Solderless-Breadboard-Power-Supply-Jumper-Cable-Kits-Dupont-Wire-For-Arduino-p-933600.html?rmmds=detail-top-buytogether-auto

5. Geekcreit? Portable Components Starter Kit For Arduino 
Resistor / LED / Capacitor / Jumper Wire / 400 Hole Breadboard 
/ Resistor Kit With Plastic Box $ 7.15

https://www.banggood.com/Geekcreit-Components-Starter-Kit-For-Arduino-Resistor-LED-Capacitor-Jumper-Wire-Breadboard-p-1165713.html?rmmds=search&cur_warehouse=CN

6. https://oshpark.com/



From herrold at owlriver.com  Wed Dec 13 15:19:10 2017
From: herrold at owlriver.com (R P Herrold)
Date: Wed, 13 Dec 2017 15:19:10 -0500 (EST)
Subject: [carpe] meeting planning: Soldering project // TDD USB _controlled_
 'traffic light'
In-Reply-To: <alpine.LRH.2.03.1712131404120.27784@bjyevire.pbz>
References: <20171213133307.5d9ab2ca.jep200404@columbus.rr.com>
	<20171213133421.004f9138.jep200404@columbus.rr.com>
	<alpine.LRH.2.03.1712131404120.27784@bjyevire.pbz>
Message-ID: <alpine.LRH.2.03.1712131516320.27784@bjyevire.pbz>


> Designing a PCB for discrete components, using an USB plug and 
> either take a variable color led, or three -- R Y G -- leds as 
> a soldering project comes to mind.  For doing the copper 
> etching, drilling, silkscreen and such OSH park seems to have 
> a good reputation [6]

as to PCB layout and layer mask preparation, I've been looking 
for a project to permit me to get some facility with 
kicad

Last time I laid a board out was long ago, with an exacto 
knife, on a light board, on dimensionally stable synthetic 
vellum, and drafting tape ;)

-- Russ herrold

From herrold at owlriver.com  Wed Dec 13 16:46:19 2017
From: herrold at owlriver.com (R P Herrold)
Date: Wed, 13 Dec 2017 16:46:19 -0500 (EST)
Subject: [carpe] website uplift
Message-ID: <alpine.LRH.2.03.1712131643320.4385@bjyevire.pbz>


I was asked about 'commits' to facilitate and update of the 
CARPE website, and as there is some PII in the COLUG site 
which needs to be elided, had to decline

That said, I believe there is a GitHub account for the group, 
and with minimal DNS changes, it is possible to use their 
'Pages' facility to put up a website

Jim, do I recall correctly that a domain is held for CARPE 
matter?  If so I can add some DNS to make it work

-- Russ


From herrold at owlriver.com  Fri Dec 15 09:37:10 2017
From: herrold at owlriver.com (R P Herrold)
Date: Fri, 15 Dec 2017 09:37:10 -0500 (EST)
Subject: [carpe] meeting planning: Soldering project -- Programmable color
 LED options
Message-ID: <alpine.LRH.2.03.1712150932470.15421@bjyevire.pbz>


Breadboard Friendly NulSom Rainbow Chip for Arduino / uC - Pack of 8
WS2812B (WS2811) Addressable RGB LED

https://smile.amazon.com/dp/B00OLY873S/

and a _wonderful_ assortment of implementations (buzzers, 
alternating, breadboard friendly, loose parts) at much less 
expensive price point

https://www.banggood.com/search/ws2812b.html



From jep200404 at columbus.rr.com  Fri Dec 15 20:52:32 2017
From: jep200404 at columbus.rr.com (jep200404 at columbus.rr.com)
Date: Fri, 15 Dec 2017 20:52:32 -0500
Subject: [carpe] 2017-12-12 CARPE Conscribillati: Meetings are Back!
Message-ID: <20171215205232.68cf89ed.jep200404@columbus.rr.com>

The monthly meetings are back!
We changed out meeting date to second Tuesdays.
The next meeting is on 2018-01-10.

On 2017-12-12, we had the first monthly meeting since August.
Thanks to Pillar, Gabriel Sheeley, and Erin Moore for their hospitality.
There was plenty of pizza and adult beverages for all who came.

Jim Prior showed his infra-red temperature sensor system
and Russ Herrold showed his many nifty little pieces of hardware

    LED flashlight that took either
        three AAA batteries or
        one 18650 lithium cell
    USB powered LED
    ESP32 board with battery holder for 18650
    battery powered soldering iron
    any many other nifty things
    AA batteries that were USB chargable
        pull one end of battery off to reveal
        USB plug. real battery was only part AA battery.
    USB rechargable 9V batteries

OSH Park is a community printed circuit board (PCB) order.
https://oshpark.com/
Electroless nickel immersion gold
https://en.wikipedia.org/wiki/Electroless_nickel_immersion_gold
wp:Platinum print

wp: prefix means Wikipedia
To get good answers, consider following the advice in the links below.
http://catb.org/~esr/faqs/smart-questions.html
http://web.archive.org/web/20090627155454/www.greenend.org.uk/rjk/2000/06/14/quoting.html

-------------------------------------------------------------------------------

link farm

Open source Linux-on-Zynq SBC debuts new FPGA add-on standard
http://linuxgizmos.com/open-source-linux-on-zynq-sbc-debuts-new-fpga-add-on-standard/

Rugged, octa-core hacker board has 2GB RAM
http://linuxgizmos.com/rugged-octa-core-hacker-board-has-2gb-ram/

First Renesas based Raspberry Pi clone runs Linux
http://linuxgizmos.com/first-renesas-based-raspberry-pi-clone-runs-linux/

Why Python and Pygame are a great pair for beginning programmers
https://opensource.com/article/17/11/pygame
    1. One long block of code
    2. Global variables are more obvious

"Making Games with Python & Pygame" by Al Sweigart
https://inventwithpython.com/makinggames.pdf

Think Python: How to Think Like a Computer Scientist by Allen B. Downey
http://greenteapress.com/thinkpython/html/index.html

Latest SparkyLinux for Raspberry Pi OS Brings Lighter Apps, Improved Networking
http://news.softpedia.com/news/latest-sparkylinux-for-raspberry-pi-os-brings-lighter-apps-improved-networking-518750.shtml

Tiny IoT gateway built on Raspberry Pi Compute Module wears HATs
http://linuxgizmos.com/tiny-iot-gateway-built-on-raspberry-pi-compute-module-wears-hats/

for Python, NodeJS and a command-line binary that developers can
use right away to experiment with speech recognition.
Announcing the Initial Release of Mozilla?s Open Source Speech Recognition Model and Voice Dataset
https://blog.mozilla.org/blog/2017/11/29/announcing-the-initial-release-of-mozillas-open-source-speech-recognition-model-and-voice-dataset/
A Journey to <10% Word Error Rate
https://hacks.mozilla.org/2017/11/a-journey-to-10-word-error-rate/
Sharing Our Common Voice???Mozilla Releases Second Largest Public Voice Data Set
https://medium.com/mozilla-open-innovation/sharing-our-common-voice-mozilla-releases-second-largest-public-voice-data-set-e88f7d6b7666
In our initial release today, we have included pre-built packages

The multi-platform, network-wide ad blocker
https://github.com/pi-hole/pi-hole

Automotive Grade Linux plumbing reveals familiar Linux faces
http://linuxgizmos.com/automotive-grade-linux-plumbing-reveals-familiar-linux-faces/

wp:Motor Industry Software Reliability Association
wp:MISRA C

Wake up and Shut Down Linux Automatically
https://www.linux.com/learn/intro-to-linux/2017/11/wake-and-shut-down-linux-automatically

First Raspberry Pi Desktop Release Based on Debian Stretch Is Out for PCs & Macs
http://news.softpedia.com/news/first-raspberry-pi-desktop-release-based-on-debian-stretch-is-out-for-pcs-macs-518799.shtml

Three Laptop Makers Are Disabling Intel ME
https://www.eteknix.com/three-laptop-makers-are-disabling-intel-me/

Project ZeroPhone: the ambitious DIY Raspberry Pi phone
http://www.techradar.com/news/project-zerophone-the-ambitious-diy-raspberry-pi-phone

Home and building automation carrier taps Raspberry Pi CM3
http://linuxgizmos.com/home-and-building-automation-carrier-taps-raspberry-pi-cm3/

How to Change Your Password on Raspberry Pi (Raspbian OS)
https://www.maketecheasier.com/change-raspberry-pi-password/

8 Holiday Projects with Raspberry Pi and Arduino
https://www.linux.com/learn/intro-to-linux/2017/12/8-holiday-projects-raspberry-pi-and-arduino

SparkyLinux Operating System Launches for Raspberry Pi, Based on Debian Stretch
http://news.softpedia.com/news/sparkylinux-operating-system-launches-for-raspberry-pi-based-on-debian-stretch-518966.shtml

Make a DIY digital jukebox: Part 2
https://fedoramagazine.org/diy-project-digital-jukebox-part-2/

Hackable USB dongle offers multiple sensors including PIR motion detection
http://linuxgizmos.com/passive-ir-sensor-usb-dongle-tells-you-if-anyones-home/

Mining cryptocurrency with Raspberry Pi and Storj
https://opensource.com/article/17/12/raspberry-pi-cryptocurrency-mining

I Built an Android App, and I Don?t Even Code
https://medium.com/@dmpop/i-built-an-android-app-and-i-dont-even-code-3a0f587fc136

6 open source home automation tools
https://opensource.com/life/17/12/home-automation-tools

Tiny quad-core Linux SBCs slim down and get an RPi-like carrier
http://linuxgizmos.com/tiny-quad-core-linux-sbcs-slim-down-and-get-an-rpi-like-carrier/

Low-cost embeddable SDR occupies a mini-PCIe card
http://linuxgizmos.com/low-cost-embeddable-sdr-occupies-a-mini-pcie-card/