Now viewing questions 1-25 of 454.
Driving led lights with 100ft wire asked by setamp
0 answers · 1 comment
19 hours, 54 minutes ago
new wonder what this is.. asked by g9
1 answer · 1 comment
1 day, 7 hours ago
Connecting a motorized vavle through a relay asked by Aephir
0 answers · 2 comments
2 days, 14 hours ago
Brushless Motor Circuit Protection SOLVED asked by mkurimski
2 answers · 5 comments
5 days, 23 hours ago
Night light (modified) asked by Blanktout
0 answers · 0 comments
6 days, 10 hours ago
Not sure what resistor this is. asked by Ajfer03
1 answer · 0 comments
June 18, 2019
binary phase shift keying asked by Yaswanth131
0 answers · 0 comments
June 18, 2019
Final Exam Sample asked by mustafa229
0 answers · 0 comments
June 18, 2019
Bandwidth of butterworth Filter, 2 poles for QPSK asked by Zerkses
0 answers · 0 comments
June 15, 2019
Wiring a 4 pin R16-503 switch asked by Chacal
0 answers · 0 comments
June 13, 2019
Thevenin Equivalent with Dependent source asked by ishugaur
0 answers · 0 comments
June 12, 2019
Equivalent resistance asked by kervedelic
0 answers · 1 comment
June 11, 2019
calculating torque in a dc motor asked by brad123456
0 answers · 2 comments
June 07, 2019
How to tie dc accessory to higher voltage battery asked by ptreads
0 answers · 0 comments
June 06, 2019
Is it safe to Use Refurbished Electrical Equipment? asked by kevinrichard211
0 answers · 0 comments
June 05, 2019
Question about Function Generator XR2206CP asked by mohsen.latif1369
0 answers · 0 comments
June 04, 2019
Oscillascope asked by Dudley7600
1 answer · 0 comments
May 28, 2019
19V at 5A asked by MeElec
1 answer · 0 comments
May 28, 2019
Bootstrap circuit in IR2111 asked by Neethu585
0 answers · 0 comments
May 25, 2019
[DC motor as dyno - measuring current] asked by AMAN598
0 answers · 2 comments
May 25, 2019
from circuit diagrams to simulation SOLVED asked by gordonwwalker
1 answer · 0 comments
May 23, 2019
HDMI Cable and HDMI Connector on PCB asked by sarahk8
0 answers · 0 comments
May 21, 2019
It is ok to replace my battery in another one... asked by OriCohenV7
0 answers · 1 comment
May 18, 2019
Is 9V OK for USB Hub asked by voi9viper
0 answers · 0 comments
May 14, 2019
Communicating devices Master/slave by a single wire asked by Ahmad929
0 answers · 0 comments
May 13, 2019
Go Ad-Free. Activate your CircuitLab membership. No more ads. Save unlimited circuits. Run unlimited simulations.

Search Questions & Answers


Ask a Question

Anyone can ask a question.

Did you already search (see above) to see if a similar question has already been answered? If you can't find the answer, you may ask a question.


About This Site

CircuitLab's Q&A site is a FREE questions and answers forum for electronics and electrical engineering students, hobbyists, and professionals.

We encourage you to use our built-in schematic & simulation software to add more detail to your questions and answers.

Acceptable Questions:

  • Concept or theory questions
  • Practical engineering questions
  • “Homework” questions
  • Software/hardware intersection
  • Best practices
  • Design choices & component selection
  • Troubleshooting

Unacceptable Questions:

  • Non-English language content
  • Non-question discussion
  • Non-electronics questions
  • Vendor-specific topics
  • Pure software questions
  • CircuitLab software support

Please respect that there are both seasoned experts and total newbies here: please be nice, be constructive, and be specific!

About CircuitLab

CircuitLab is an in-browser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and digital electronics systems.