OptoNews: Top 5 blog posts for 2015: security, PIDs, and more

Posted by Jean Femia on Jan 6, 2016 4:45:03 PM

Did you miss any of these? Here are the 5 OptoBlog posts our readers found most interesting in 2015:

1. Sinking and Sourcing in DC Circuits

Sinking and Sourcing illustrationRead by so many people that it spawned a second blog post to explain even more about these confusing industry terms. Questions answered: what's the difference between wiring your DC circuit for sinking versus for sourcing, and why would you want or need to choose one over the other? Includes a link to a hands-on demo. 

2. Tech Tip: Recovering a PAC Control Strategy

This tech tip struck a chord with readers, and if you use PAC Control, you'll want to check it out. Because what if your hard drive fails while you're developing your control strategy? Or what if you need to update an old strategy built by someone else? 
Read Recovering a PAC Control Strategy

3. Understanding SSL/TLS and HTTPS

LockWhat are these? A mouthful of acronyms all having to do with security. Opto 22 Engineer Ben Orchard explains some key fundamentals about encryption over the Internet. Part of a series of blog posts to help you understand and improve security for your system. 
Read Understanding SSL/TLS and HTTPS

4. Passphrase or Password?

Another popular post on security, this one addresses the security element we all love to hate: passwords. Ben shows how the nature of your "humble password" can make a huge difference in security for both your personal and work lives. 
Read Passphrase or Password?

5. To Use a PID or Not

PID control loops are powerful, common, and hard to get right. This post explains when you should use a PID and at least two cases when you're better off not to. 
Read To Use a PID or Not

Topics: Process control, Internet of Things, optonews, PAC Project, OptoNews 2016-01-06

Written by Jean Femia

Jean Femia writes about technical subjects and has focused on automation and control systems for more than 15 years. She likes learning about technology and taking corners in her Honda S2000.
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