Re-building a Crock-pot controller - how are the heating elements powered?

BTA208X connection scheme

TRIAC PRINCIPLES AND CIRCUITS 1

TRIAC PRINCIPLES AND CIRCUITS 2

Questions about TRIAC

Calibre
How can I automate the creation of EPUB files from series of existing JPEG photos?
Calibre E-book conversion

How to prepare image to convert

Tesseract OCR: Installation and Usage on Ubuntu 16.04

Other links

Comparison of optical character recognition software

Free OCR Software (Optical Character Recognition)
What are the best Linux OCR programs?
Tutorial: How To Extract Text From Images on Linux Using Tesseract-OCR
Tesseract Command Line Usage
OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched

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convert page*.png mydoc.pdf

Convert multiple JPG or PNG to PDF in Linux

For more option

Create a single pdf from multiple text, images or pdf files

3 x ledové kaštany
4 kousky čokolády
250ml smetana
0.5l rumu
400g salko slazené

Smetanu do hrnce na malý plamen hned dat kaštany a čokoladu, celou dobu michaš, po rozpuštení vypneš plamen a přidaš salko, nechaš schladnout 5-10min, přidaš rum.

How to install Eagle in Debian 9 Stretch.

Install Dependecies

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sudo apt-get install  libssl1.0.2

Create links

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$ sudo ln -s /usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.2 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
sudo ln -s /usr/lib/x86_64-linux-gnu/libssl.so.1.0.2 /usr/lib/x86_64-linux-gnu/libssl.so.1.0.0

Install Eagle

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cd "EagleDIR"
$ sudo sh 'eagle-lin64-7.7.0.run'

Run Eagle as root because of license

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sudo /opt/eagle-7.7.0/bin/eagle

Ceate desktop entry

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leafpad ~/Desktop/eagle.desktop

Content of file

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#!/usr/bin/env xdg-open

[Desktop Entry]
Type=Application
Name=Eagle
Exec=/opt/eagle-7.7.0/bin/eagle
Icon=/opt/eagle-7.7.0/bin/eagleicon50.png
Categories=Application;
Name[en_GB]=Eagle

Getting Started in KiCad
PcbNew Features - Push and shove router

Import Eagle to KiCAD

Eagle SCH/LIB to KiCad SCH/LIB ULP conversion script
Quick Introduction Video
Kicad Import formats, esp. Eagle

KiCAD Library

DC/DC power supply MC34063, and many others.
My personal library of KiCad schematic symbols and footprints
KiCad libraries generated from the STM32Cube database
Official KiCad Footprint Libraries
Official KiCad schematic symbol libraries
3D Models

Loading library to KiCAD

How to make Kicad schematic libraries load with a relative path

Sanyo NiMH AAA Rechargeable Battery, 1000mAh
Posts Tagged ‘Sanyo HR-4U’
1.2V AAA 1000 mAh Sanyo Superlattice Alloy Evo NiMH Battery Tests

Gens ACE LiPo - 3S 5500mAh 11,1V 3S1P 25C
GENS ACE LiPo - 3S 5200mAh 11,1V 3S1P (40C) Bashing Serie

GES „18650“

LC RAY Li-Pol 3250mAh/11.1V

11.1v 4000mAh
18650 Rechargeable Batteries

http://www.rcmodels.cz/rc-modely/akumulatory/lipo/produkty

http://www.lipolbaterie.cz/lipol-baterie/?s=3s&sort=kap-desc
https://www.mojerc.cz/akumulator-3-7v-1000mah-30c-gpx-extreme_p86311

http://lifeinthegrid.com/simple-css-fixed-header/
http://kb.wpbeaverbuilder.com/collection/7-theme
http://www.creativebloq.com/graphic-design/what-flat-design-3132112
https://www.hongkiat.com/blog/flat-design-resources/
https://www.webdesignerdepot.com
http://chrislord.net/2015/04/24/web-navigation-transitions/
https://css-tricks.com/centering-css-complete-guide/

http://learnlayout.com
https://flexbox.io
http://www.myth.io

Wiki

http://dynalon.github.io/mdwiki/#!index.md
https://ourcodeworld.com/articles/read/782/top-5-best-node-js-based-open-source-self-hosted-web-wiki-knowledgebase-applications

How to Compile Android Kernel from Source : A Beginner’s Guide
ARM EABI Toolchains for Android.
How to compile an Android kernel
Spectrum - A kernel manager for users ROOT
LG OpenSource Code Distribution