r/PLC

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r/AskEngineers
139k  subs
Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the processes and standards used to build these systems, as well as for questions about the engineering profession and its many disciplines.
https://reddit.com/r/AskEngineers/
r/engineering
254k  subs
The hub for all content related to the engineering discipline.
https://reddit.com/r/engineering/
r/electricians
71k  subs
Welcome Reddit's International Electrical Worker Community. Talk shop, show off pictures of your work, get general help, and ask code related questions. Help your fellow Redditors crack the electrical code.
https://reddit.com/r/electricians/
r/arduino
173k  subs
A place for all things Arduino!
https://reddit.com/r/arduino/
A place to ask questions, discuss topics and share projects related to Electrical Engineering.
https://reddit.com/r/ElectricalEngineering/
A subreddit for practical, component-level design and repair questions on electronic circuits. We also cover the associated tools and equipment.
https://reddit.com/r/AskElectronics/
r/ECE
72k  subs
A subreddit for discussion of all things electrical and computer engineering.
https://reddit.com/r/ECE/
r/electronics
156k  subs
A subreddit dedicated to news, articles and general discussions related to electronic systems and circuits.
https://reddit.com/r/electronics/
This a place for engineering students of any discipline to discuss study methods, get homework help, get job search advice, and find a compassionate ear when you get a 40% on your midterm after studying all night.
https://reddit.com/r/EngineeringStudents/
r/DIY
17m  subs
A place where people can come to learn and share their experiences of doing, building and fixing things on their own.
https://reddit.com/r/DIY/
A subreddit for discussing the Raspberry Pi ARM computer and all things related to it.
https://reddit.com/r/raspberry_pi/
r/OSHA
BANNED / PRIVATE
Closed temporarily for renovations. **All modmail messages will be ignored.** Stay safe, and thank you for your patience.
https://reddit.com/r/OSHA/
r/3Dprinting
342k  subs
News, information, links and fun things related to 3D printing, 3D printers, rapid manufacturing, desktop fabrication etc.
https://reddit.com/r/3Dprinting/
r/sysadmin
374k  subs
A reddit dedicated to the profession of Computer System Administration.
https://reddit.com/r/sysadmin/
r/robotics
90k  subs
A place for discussing and learning about Robotics
https://reddit.com/r/robotics/
r/homeautomation
396k  subs
A subreddit focused on automating your home, housework or household activity. Sensors, switches, cameras, locks, etc. Any automation questions/discussions are welcome!
https://reddit.com/r/homeautomation/
r/askscience
18m  subs
Ask a science question, get a science answer.
https://reddit.com/r/askscience/
A subreddit for all questions related to programming in any language.
https://reddit.com/r/learnprogramming/
r/Automate
32k  subs
A place for the discussion of automation, additive manufacturing, robotics, AI, and all the other tools we've created to enable a global paradise free of menial labor. All can share in our achievements in a world where food is produced, water is purified, and housing is constructed by machines.
https://reddit.com/r/Automate/
r/Skookum
71k  subs
Skookum is a Chinook word with many meanings. Strong. Best. Powerful. Brave. Tough. Hardworking. It was the northwest loggers who gave the name to Skookum products for their unfailing dependability and rugged strength.
https://reddit.com/r/Skookum/
r/HVAC
36k  subs
All things related to HVAC - Heating, Ventilation, & Air Conditioning
https://reddit.com/r/HVAC/
r/Machinists
59k  subs
A Reddit for Machinists of all varieties. From Old School conventional guys, to CNC Programmers, to the up and coming next generation.
https://reddit.com/r/Machinists/
A community dedicated to helping individuals that are looking for advice on home improvement projects. If you are new here, please review the guidelines on the stickied post.
https://reddit.com/r/HomeImprovement/
r/homelab
213k  subs
Welcome to your friendly /r/homelab, where techies and sysadmin from everywhere are welcome to share their labs, projects, builds, etc.
https://reddit.com/r/homelab/
r/woodworking
2m  subs
/r/woodworking is your home on reddit for furniture, toys, tools, wood, glue, and anything else that has to do with woodworking as a hobby or profession. Please submit links to how-to pages and videos, pictures of beautiful and amazing pieces you made for us to admire, or help you finish.
https://reddit.com/r/woodworking/
**Explain Like I'm Five is the best forum and archive on the internet for layperson-friendly explanations.**   Don't Panic!
https://reddit.com/r/explainlikeimfive/
Learn about budgeting, saving, getting out of debt, credit, investing, and retirement planning. Join our community, read the PF Wiki, and get on top of your finances!
https://reddit.com/r/personalfinance/