Now viewing questions 1-25 of 420.
Boombox failure on battery power asked by SteveWise
0 answers · 1 comment
2 days, 11 hours ago
Multimeter (ampermeter) failure asked by Radionov
1 answer · 3 comments
3 days, 17 hours ago
Why value of DC capacitor in VSC-HVDC converter is (Vdc/2) in some cases and (2Cdc) in other cases? asked by MuhammadTanveerAhmad
0 answers · 0 comments
3 days, 23 hours ago
OP amp asked by Sbt
0 answers · 0 comments
4 days, 5 hours ago
European device in USA asked by nmlook
0 answers · 1 comment
4 days, 16 hours ago
Design two-stage operational amplifier shown in the 130nm CMOS process asked by moustafaabada
0 answers · 0 comments
6 days, 2 hours ago
I can’t charge a 6 pak of super caps with a small motor generator asked by jamesskews
0 answers · 1 comment
April 17, 2019
thermal resistor - thermistor replacement asked by miguy
0 answers · 1 comment
April 17, 2019
EMG Open Circuit asked by Jiya
0 answers · 0 comments
April 16, 2019
Power Supply asked by usama1199
0 answers · 0 comments
April 15, 2019
Initial Condition - Op Amp Comparator asked by bmmy9f
0 answers · 0 comments
April 15, 2019
oscilloscope operation asked by dcmack
0 answers · 0 comments
April 14, 2019
Digital basic asked by Vijayraj123
0 answers · 1 comment
April 14, 2019
EMP asked by jesh
0 answers · 0 comments
April 09, 2019
[Pinched wire - hydrogen fuel cell] asked by mu34tant
0 answers · 6 comments
April 04, 2019
Shaded pole motor powering help asked by Newbieofnewbies
1 answer · 1 comment
March 31, 2019
Finding resistance asked by jatkarmandar12
1 answer · 0 comments
March 31, 2019
Light an led with 1/4” audio cable asked by CuriousYams
1 answer · 0 comments
March 30, 2019
Understanding the configuration asked by aman_dixit
1 answer · 0 comments
March 30, 2019
Changing relay question asked by Namelater29
1 answer · 0 comments
March 30, 2019
24v relay back up schematic asked by Cornelius123
1 answer · 0 comments
March 30, 2019
Clipping at high voltages only? asked by winner180
1 answer · 0 comments
March 24, 2019
How to delay a LED?? (On/Off) asked by amsnklmf
3 answers · 2 comments
March 23, 2019
Can I charge a 12v 1.3Ah battery with a 7.2-14.4v charger? asked by alfredoG
0 answers · 0 comments
March 13, 2019
How to delay a LED?? (On/Off) asked by amsnklmf
0 answers · 0 comments
March 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.