Now viewing questions 1-25 of 1341.
How did your electronics journey start? asked by LuisRowe
1 answer · 1 comment
1 day, 22 hours ago
Hopefully a Simple Ask asked by ROgden
3 answers · 1 comment
2 days, 8 hours ago
Vacuum tubes asked by artist5
0 answers · 0 comments
4 days, 6 hours ago
counter asked by cis-eng
0 answers · 0 comments
5 days, 6 hours ago
Relay With Custom Trigger Voltage asked by JamesRolfe
0 answers · 0 comments
December 04, 2025
slicemasternet asked by slicemasternet
0 answers · 0 comments
December 02, 2025
Clock Chime Circuit asked by pakachuchu
1 answer · 7 comments
November 25, 2025
Photo Cell LED Night Light Burns Resistor asked by Clarkson
0 answers · 2 comments
November 19, 2025
temp-monitoring board asked by Jordan22xx
1 answer · 0 comments
November 03, 2025
"error building graph: non-finite value" asked by KnowHowe2
1 answer · 0 comments
October 31, 2025
AC circuit simulation not working asked by Bleahy
1 answer · 2 comments
October 29, 2025
Response Curve by Frequency Domain Simulation asked by Kurtus
0 answers · 5 comments
October 26, 2025
New Components asked by jrusso381
0 answers · 0 comments
October 25, 2025
Question HDD 2.5" asked by cloudff7
0 answers · 1 comment
October 21, 2025
Need help with connecting a switch asked by Barry21969
0 answers · 1 comment
October 15, 2025
Virtual ground asked by ChuchoGar
3 answers · 2 comments
September 22, 2025
CSV signal generator asked by johnbb17
2 answers · 1 comment
September 19, 2025
Seeking Help with Microcontroller-Based Power Supply Design SOLVED asked by xiaochun_team
1 answer · 0 comments
September 07, 2025
Best Step-Down Transformer for Electronics? asked by owen000821
1 answer · 0 comments
September 07, 2025
SP-324 / SP-325 asked by Scalesr1
0 answers · 0 comments
August 31, 2025
Thermistor control of PC case fans with tight range of temperature ....possible? asked by eanp
0 answers · 2 comments
August 30, 2025
electrolytic capacitor asked by cloudff7
2 answers · 3 comments
August 20, 2025
What are the best practices for selecting RF MOSFETs for high-frequency amplifier design? asked by WonderNomad
1 answer · 1 comment
August 19, 2025
PWM asked by spudwheelie
1 answer · 1 comment
August 12, 2025
Nutri Bullet Ultra 1200 Model NB500 asked by Rod75
1 answer · 0 comments
June 24, 2025
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.