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130 results tagged reference  ✕   ✕
aresta/Supercaps https://github.com/aresta/Supercaps
Sat 18 Feb 2023 07:10:36 PM PST archive.org

This is a little sun powered board with ultra low power consumption and zero maintenance. It measures temperature, humidity, pressure and sends it every 15 minutes with a RF module. The small solar panel (8 x 6 cms) harvest energy to charge two small and cheap super capacitors of 5F each. It can run alone almost forever, at least until the caps die. But supercapacitors have a much longer lifespan than batteries. It can survive without sun about 80 hours, more than 3 days! I tested it with the solar panel disconnected. This is also environmental friendly as it produces it's own energy and don't use batteries with it's 'dangerous good regulations' (DGR) for handling, disposing, etc.

It seems like this project would be a good way to learn about using supercaps to run things.

electronics projects reference power
Lockpick Laws In the United States https://www.toool.us/lockpicking-laws.php
Tue 01 Nov 2022 09:16:42 AM PDT archive.org

TOOOL's overview of lockpick laws in the United States.

lockpicks locksport us laws reference directory
factbook/factbook.json https://github.com/factbook/factbook.json
Mon 05 Sep 2022 03:38:22 PM PDT archive.org

A dump of the CIA World Factbook, converted into a series of JSON documents. Updated automatically every Thursday.

encyclopedia json cia reference
Shopify Liquid API Reference https://shopify.dev/api/liquid
Sun 03 Jul 2022 06:29:54 PM PDT archive.org

Liquid is a template language created by Shopify. It's available as an open source project on GitHub, and is used by many different software projects and companies.

This reference documents the Liquid tags, filters, and objects that you can use to build Shopify Themes.

Of course, this applies to anything else that uses Liquid as its templating language.

huginn templates language reference documentation
An Overview of Frequency Bands and Their Applications https://resources.pcb.cadence.com/blog/2022-an-overview-of-frequency-bands-and-their-applications
Mon 30 May 2022 11:45:14 AM PDT archive.org
reference rf frequencies bands classification
Parallel port mod for Commodore 1541-II disk drive https://www.pcbway.com/project/shareproject/Parallel_port_mod_for_Commodore_1541_II_disk_drive.html
Sat 26 Feb 2022 08:37:35 PM PST archive.org

PCBway community page for an adapter for a Commodore 1541-series disk drive. Makes it possible to add a parallel interface port to the drive for the purposes of disk ripping. Rather than cutting traces and soldering directly to a 6522 chip, it fits in between the chip and its socket. Add some ribbon cable and a DB-15 plug and there you go.

The picture is a helpful reference for how the IC socket and header bars are positioned.

Note that, per the response to my question:

Pins 9 and 10 are connected to pins 18 and 39 of 6522 - CB0 and CA1 (some count it from 1 so it's CB1 and CA2 then). They are needed only when drive is connected with C64 via userport to handshake while sending data. You don't need those for XUM1541/ZoomFloppy.

c64 buy pcb circuit adapters retrocomputing reference chips
Radiopaedia https://radiopaedia.org/
Sat 26 Feb 2022 08:24:48 PM PST archive.org

Radiopaedia is a rapidly growing open-edit educational radiology resource that has been primarily compiled by radiologists and radiology trainees from across the world. Our mission is to create the best radiology reference, and to make it available for free, forever.

medicine wiki radiology reference scans xray mri
The Gender Dysphoria Bible https://genderdysphoria.fyi/
Thu 06 Jan 2022 06:44:31 PM PST archive.org

The contents of this site will change over time as new additions and revisions are made to further expand upon the full breadth of Gender Dysphoria. In its current iteration it is severely lacking in non-binary, agender & genderfluid specific dysphoria, as well as Third Gender and Two-Spirit narratives. The GDB is an open source and publicly funded project, contributions are extremely welcome.

Translated into English, Chinese, and German.

Github: https://github.com/GenderDysphoria/GenderDysphoria.fyi

online reference trans lgbtq community
pinouts.org https://pinouts.org
Tue 04 Jan 2022 03:42:31 PM PST archive.org

The Pinouts Book is a free digital book created for designers and engineers as a quick reference for remembering the different pinout functions in your electronics projects.

The book covers 130 commonly used components (view list), such as connectors, single board computers, dev boards, memory cards, microcontroller chips, and more.

If you need more technical information, each page has a link at the top (e.g. pinouts.org/XXX), and these redirect to official datasheets / specifications.

We’re going to be updating the book as time goes on, and we hope you find it useful.

pdf free download electronics pinout reference
GNU Screen cheatsheet https://devhints.io/screen
Tue 14 Sep 2021 05:11:35 PM PDT archive.org
reference cheatsheet documentation sysadmin cli
Converting microfarads to nanofarads https://www.unitconverters.net/electrostatic-capacitance/microfarad-to-nanofarad.htm
Mon 19 Apr 2021 07:00:00 PM PDT archive.org

Microfarad [µF] Nanofarad [nF]

  • 0.01 µF 10 nF
  • 0.1 µF 100 nF
  • 1 µF 1000 nF
  • 2 µF 2000 nF
  • 3 µF 3000 nF
  • 5 µF 5000 nF
  • 10 µF 10000 nF
  • 20 µF 20000 nF
  • 50 µF 50000 nF
  • 100 µF 100000 nF
  • 1000 µF 1000000 nF

How to Convert Microfarads to Nanofarads:

  • 1 µF = 1000 nF
  • 1 nF = 0.001 µF
electronics reference capacitors conversion
Historical Dictionary of Science Fiction https://sfdictionary.com/
Wed 31 Mar 2021 11:37:21 AM PDT archive.org

This work-in-progress is a comprehensive quotation-based dictionary of the language of science fiction. The HD/SF is an offshoot of a project begun by the Oxford English Dictionary (though it is no longer formally affiliated with it). It is edited by Jesse Sheidlower.

reference scifi slang jargon stories fiction
Pelican Configuration Settings https://egbert.net/blog/articles/pelican-configuration-settings.html
Fri 19 Feb 2021 04:54:47 PM PST archive.org

Someone built a list of all of Pelican's configuration settings and variables, and what they mean. Useful as a reference to the templating language.

python configuration directory software reference blogging
http://worldtimeapi.org/ http://worldtimeapi.org/
Fri 05 Feb 2021 01:44:58 PM PST archive.org

WorldTimeAPI is a simple web service which returns the local-time for a given timezone as either JSON or plain-text. Some additional information is provided, such as whether that timezone is currently in Daylight Savings Time, when DST starts and ends, the UTC offset, etc. Does not require an account or API key. Free.

rest api time timezones reference exocortex
GitHub - LucasPilla/Sorting-Algorithms-Visualizer: Program made with Pygame module for visualizing sorting algorithms https://github.com/LucasPilla/Sorting-Algorithms-Visualizer
Thu 08 Oct 2020 05:40:07 PM PDT archive.org

Program made with Pygame for visualizing sorting algorithms. Has a collection of implemented sorting algorithms which are useful to refer to, if nothing else.

python visualization sorting algorithms reference efficiency
WikiMatrix https://www.wikimatrix.org/
Tue 02 Jun 2020 10:52:24 PM PDT archive.org

WikiMatrix helps you compare the features of different Wikis in a comfortable side-by-side table. Select the Wikis you're interested in below and click the compare button.

Not sure where to start?
Let the Choice Wizard guide you through a few questions to narrow down the available Wikis to your needs.

Try the Search and configure the specific features you require in a Wiki.

reference wiki software features research
GitHub - gto76/python-cheatsheet: Comprehensive Python Cheatsheet https://github.com/gto76/python-cheatsheet
Mon 22 Jul 2019 12:10:47 PM PDT archive.org

A cheatsheet for Python, which goes into quite a few of the commonly googled minutia nobody can remember. Can be read online (it's Markdown).

cheatsheet python online reference documentation
Raspberry Pi GPIO Pinout https://pinout.xyz/
Sat 15 Jun 2019 02:07:45 PM PDT archive.org

This GPIO Pinout is designed to be both a quick and interactive reference to the Raspberry Pi GPIO pins, plus a comprehensive guide to your Raspberry Pi's GPIO interfaces. It also includes dozens of pinouts for Raspberry Pi add-on boards, HATs and pHATs.

electronics pinout diagram raspi gpio reference
MusicBrainz - The Open Music Encyclopedia https://musicbrainz.org/
Tue 22 Jan 2019 04:11:53 PM PST archive.org

MusicBrainz is an open music encyclopedia that collects music metadata and makes it available to the public.

database music media metadata reference api
diegocard/awesome-html5: A curated list of awesome HTML5 resources https://github.com/diegocard/awesome-html5
Mon 26 Nov 2018 10:56:09 PM PST archive.org

A curated list of awesome HTML5 resources. Multimedia applications, elements, APIs, crypto, and other stuff. Probably single page applications, too.

awesome list html html5 applications pages reference
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