Now viewing questions 1-25 of 521.
Non-inverting op amp (Battery Powered) asked by Frostiger
0 answers · 2 comments
5 hours, 38 minutes ago
How to Design a voltage change detector circuit asked by Eng_Roy
0 answers · 0 comments
2 days, 6 hours ago
Coffee Maker fix asked by Microfiche
0 answers · 2 comments
2 days, 9 hours ago
Adding inline resistors to an impedence matching switch? asked by portal6
0 answers · 0 comments
2 days, 21 hours ago
circuit of piano digital asked by mohamadsf
0 answers · 0 comments
November 26, 2019
K Map asked by asdf777
1 answer · 0 comments
November 17, 2019
How do you make a digital counter circuit which counts to 10 minutes, it will rings a buzzer and when it continues to 15 minutes, it will rings a buzzer? asked by fahadnajed
0 answers · 1 comment
November 16, 2019
NAND Gates circuit design asked by asdf777
1 answer · 0 comments
November 16, 2019
How to reduce voltage from my DIY power supply. 24.9v to 24.5v asked by MrCap
1 answer · 4 comments
November 16, 2019
How can I do Thevenin's Theorem to this circuit? asked by EEEngi_man216
0 answers · 0 comments
November 05, 2019
Turning a 12V 25mA signal into a ground input signal??? asked by MrGearHead
0 answers · 0 comments
November 03, 2019
555 Timer in Mono-stable Operation + Darkness Sensor circuit + Proximity Detector circuit asked by Thabang19
0 answers · 0 comments
November 01, 2019
programmable light asked by rumifan
0 answers · 1 comment
October 28, 2019
Basic LED question asked by ElectroDuck
1 answer · 2 comments
October 19, 2019
Brushless motor Momentum simulator. asked by BIGGrobb
0 answers · 0 comments
October 19, 2019
Why Watts differ when voltage does for same Ampere asked by bobsonAnderson
1 answer · 0 comments
October 13, 2019
Remove float charge for device asked by Jbeauchemin
0 answers · 1 comment
October 11, 2019
MOSFET help asked by Frostiger
0 answers · 1 comment
October 06, 2019
I need help to understand a basic soil moisture sensor circuit asked by hernancrespo89
0 answers · 3 comments
October 05, 2019
Impedance Converter asked by ghanishah788
0 answers · 1 comment
September 28, 2019
Push button asked by GameGod
0 answers · 0 comments
September 25, 2019
Conversion of power asked by Gautamkohli
1 answer · 9 comments
September 25, 2019
Simple option to switch ON when circuit is broken asked by sam2019
2 answers · 9 comments
September 22, 2019
Replace a yellow device on circuit board asked by Dvideo
0 answers · 0 comments
September 22, 2019
Anyone in Wisconsin want a bunch of free electronics stuff? asked by Revscott
0 answers · 0 comments
September 21, 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.