Electronics Questions & Answers last updated 7:21:31 PM PST

Can I use Circuit Lab on android desktop?	asked by konchogrinchen 0 answers · 0 comments October 21, 2022
Which transistor?	asked by mmessiter 0 answers · 1 comment October 21, 2022
n channel HY1707P MOSFET operating	asked by Nabs01 0 answers · 0 comments October 20, 2022
Voltage drop	asked by Tobinro 0 answers · 8 comments October 18, 2022
Current in a circuit	asked by Tobinro 0 answers · 13 comments October 18, 2022
Replacing a charger.	asked by gebpm 0 answers · 0 comments October 17, 2022
positive emitter coupled logic (PECL) signal/input voltage	asked by sae-7125 0 answers · 0 comments October 15, 2022
is an op amp possible?	asked by jmore94 0 answers · 4 comments October 12, 2022
adding voltages in transformer circuit	asked by brenlieg0 0 answers · 0 comments September 29, 2022
Circuit design questions - Softwares used	asked by trmnj22 0 answers · 1 comment September 27, 2022
power supply / transformer with more than one voltage out	asked by gav22 0 answers · 1 comment September 20, 2022
Step down 220v AC to 110v AC	asked by hermanvsin 2 answers · 1 comment September 16, 2022
Do ethernet cable ports use multi/demultiplexers for data transfer?	asked by PythoneeR123 0 answers · 4 comments September 14, 2022
Multiple LEDs and power supply power supply	asked by Foxx 0 answers · 4 comments September 10, 2022
VAA and VSS Asymmetry in IRS2092 Class D Amplifier	asked by thuesh 0 answers · 0 comments September 07, 2022
Need help clipping high power AC current for both top and bottom of wave	asked by gsorter 0 answers · 2 comments September 01, 2022
Photocoupler Element Request i.e. pc817	asked by opaone 0 answers · 0 comments August 30, 2022
Please assist	asked by light2sound 0 answers · 1 comment August 28, 2022
capacitor rating	asked by roadkillwi 0 answers · 3 comments August 24, 2022
sewing machine foot controller	asked by pnmng49 1 answer · 0 comments August 24, 2022
Filter Capacitor Selection SOLVED	asked by CubeSpawn 1 answer · 3 comments August 22, 2022
What would this cable be used for?	asked by MDR96 0 answers · 2 comments August 22, 2022
Why this transistor is not working as a switch?	asked by Ahsan007 0 answers · 3 comments August 18, 2022
BS83A04A-4	asked by Fuad2014 0 answers · 0 comments August 18, 2022
Switching between LED circuits	asked by Davemajor 0 answers · 2 comments August 03, 2022

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
jeaguirre saved circuit: "LED bias"
DUMPLINGZ saved circuit: "ENME351 L1 2-1 Multiplexer"
GamutPeak saved circuit: "Autosave 2026-02-05T16:46:12.505Z"
cloudff7 asked: "Questions hdd"
Kurtus saved circuit: "2 Dual-Polarity Power-Supplies"
leticiawallred answered: "electrolytic capacitor"
mattnickle12 asked: "How to make my push button switch..."
BlackScreen asked: "LED not on with 5V supply and..."
dg2 replied to discussion: "Can't drag components to move them"
jason.wyenberg started discussion: "Can't click anything"
nadakhodery asked: "MOSFET linear amplification"
boliver80 replied to discussion: "Cancel Membership"
alanwill answered: "electrolytic capacitor"
gukabizax answered: "electrolytic capacitor"
wellos answered: "electrolytic capacitor"
JimDobson started discussion: "Help with my first Simulation"
vanderghast commented on question: "Hopefully a Simple Ask"
Kurtus commented on question: "Response Curve by Frequency Domain..."
jarrodjaiz commented on question: "Photo Cell LED Night Light Burns..."
genecampos commented on question: "Question HDD 2.5""
CircuitLab Blog: "Live DC Simulation!"
CircuitLab Blog: "Digital Adders and Wider Muxes"