Electronics Questions & Answers last updated 6:51:26 PM PDT

Probably a very basic LED question SOLVED	asked by DangerToHimself 2 answers · 3 comments June 19, 2017
How to solve this combined resistance circuit? SOLVED	asked by jayoons 1 answer · 1 comment June 18, 2017
Why does my LED lights get brighter after I unplug then replug them back into battery pack?	asked by kimbe02 1 answer · 0 comments June 17, 2017
LT3748	asked by asad007 0 answers · 0 comments June 14, 2017
Step-Up Transformers	asked by renee19 1 answer · 0 comments June 09, 2017
4 BIT adder	asked by Escher 1 answer · 0 comments June 07, 2017
Logic Gates SOLVED	asked by kevbot89 2 answers · 0 comments June 02, 2017
Does an IC draws current from VRM based on its clock frequency. SOLVED	asked by Vamsi_ap 1 answer · 2 comments May 25, 2017
dc motor overheating the power supply	asked by eng_maruf 0 answers · 0 comments May 25, 2017
Is CircuitLab actively developed and maintained? SOLVED	asked by Tobbera 1 answer · 1 comment May 18, 2017
Auto switch parallel-series connection	asked by Bolvan8 0 answers · 0 comments May 07, 2017
thin neodymium magnates for electrical generators	asked by bboxyokee 1 answer · 0 comments May 05, 2017
Digital delay lines	asked by ferreiratp 1 answer · 2 comments May 04, 2017
Help identifying adapter	asked by diseasewitch 1 answer · 0 comments April 26, 2017
Electrical Control Diagrams	asked by trimanted 1 answer · 4 comments April 24, 2017
Two loads voltages	asked by samybee 0 answers · 1 comment April 24, 2017
Unstable voltage	asked by samybee 0 answers · 1 comment April 23, 2017
Question about Raspberry Pi camera board	asked by MehwishKhan 2 answers · 0 comments April 19, 2017
Cut off switch circuit / Dual voltage	asked by samybee1 1 answer · 1 comment April 15, 2017
Triangular and sinusoidal signal generator SOLVED	asked by IuliaMaria 2 answers · 1 comment April 14, 2017
Turning on power	asked by ilikethings 1 answer · 3 comments April 10, 2017
Confused....Imagine that	asked by JeffR 3 answers · 0 comments April 09, 2017
Driving large LED array	asked by Nzdude 1 answer · 0 comments April 08, 2017
harmonic elimination method of grid connected hybrid sources	asked by senpatrick 0 answers · 3 comments April 02, 2017
Correct Voltage for Coilgun	asked by Arzt 0 answers · 1 comment March 31, 2017

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!

New @ CircuitLab
u1077170 saved circuit: "System Block diagram" 2 minutes ago
ScaniaK93 saved circuit: "BUS INDICATOR SYSTEM W/ ONE FLASHER"
natastro saved circuit: "MCO op-amp v5"
ajdonich saved circuit: "OACurrentSource"
HKMAYBO asked: "What is the difference between AC..."
Richard1948 asked: "N Channel Mosfet Confusion"
vanderghast commented on an answer to: "Variable Resistance Circuit"
SilverSurfer commented on question: "Variable Resistance Circuit"
LowellGeorge commented on question: "Good motorcycle VOLTAGE REGULATOR..."
frr asked: "Circuit Lab and Python secondary..."
JeanParcks commented on an answer to: "Variable Resistance Circuit"
Tone5 asked: "How to test a reset relay fuse from..."
widovd replied to discussion: "FFT Spectrum"
joannaylor answered: "solar LED circuit"
mariah9x answered: "Variable Resistance Circuit"
lisamassa answered: "Variable Resistance Circuit"
gusisin started discussion: "p-channel high side mosfet help -..."
Caprica answered: "solar LED circuit"
Dan.Ka replied to discussion: "Keyboard Shortcut for Switches and..."
avsteele replied to discussion: "Please add an asynchronous clear..."
CircuitLab Blog: "Live DC Simulation!"
CircuitLab Blog: "Digital Adders and Wider Muxes"