Electronics Questions & Answers last updated 8:23:05 PM PST

Photo resistor in place of a vacuum sensor on a vape circuit	asked by Ledol 1 answer · 5 comments April 21, 2023
Switch	asked by mykshahh 0 answers · 3 comments April 14, 2023
Oscillateur a base du transistor émetteur Commun	asked by Pinwaza 0 answers · 1 comment April 06, 2023
Simulation shows only flat line with some spikes in GA / GV regime	asked by Dan.Ka 0 answers · 0 comments March 29, 2023
Parameters BD 241	asked by F2U 0 answers · 0 comments March 26, 2023
Relay H Bridge	asked by al514 0 answers · 4 comments March 21, 2023
5 second off delay timer circuit	asked by fareskebeh 0 answers · 1 comment March 14, 2023
diode alternative	asked by samgon66 0 answers · 3 comments March 14, 2023
triangle square sig gen won't oscillate in simulation	asked by dthiers106 0 answers · 4 comments March 12, 2023
Advice to reduce noise on slot car controller SOLVED	asked by SgtSnyder2 1 answer · 2 comments March 09, 2023
Setting up a Generator to Motor circuit. SOLVED	asked by Trev12 2 answers · 0 comments March 01, 2023
Component in alkaline battery pack	asked by bdpead 0 answers · 1 comment February 22, 2023
Lockout system	asked by Unused-username 0 answers · 1 comment February 21, 2023
Question on electrical heater	asked by yaw2023 0 answers · 2 comments February 19, 2023
Where are your MOS FET Modles ?	asked by scacka 0 answers · 1 comment February 11, 2023
Does adding more relays in parallel harm my device?	asked by youcef222 0 answers · 3 comments February 09, 2023
What is the difference between a shielded inductor and one with a toroid core?	asked by Rhine 0 answers · 2 comments February 09, 2023
capacitor case connections	asked by jamieinoz 0 answers · 2 comments February 06, 2023
Can you help me to understand this circuit it seems to be a comparator integrator?	asked by georgedulica 0 answers · 1 comment February 06, 2023
Battery Management Service Circuit Charge Balancing	asked by pro_whizz 0 answers · 0 comments February 05, 2023
Resistor selection for 12V, 24V and 48V DC	asked by Col2023 0 answers · 4 comments February 05, 2023
Newbie. Trying to understand Solar Light Circuit	asked by Schuhbedo 0 answers · 0 comments February 04, 2023
Can electrolythic capacitors be soldered with whole leads lenght?	asked by wishmaster36 0 answers · 1 comment February 03, 2023
Is there some way to do repeat changes or do macros?	asked by vespaman 0 answers · 2 comments February 02, 2023
USB 2.0 data cable color code ?	asked by Eng9090 1 answer · 0 comments January 31, 2023

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
venkys saved circuit: "Subtracting Offset"
jjfelice saved circuit: "Hit_Decay_Hold2"
Yacht69 saved circuit: "Te Vega Main Engine Control WIring..."
drhqnril saved circuit: "moog power"
kwlyon replied to discussion: "I seem to have trouble with..."
jonathanzam answered: "Ohmmeter needed"
ramonhamil answered: "The Drag and Drop not working on..."
natastro answered: "Ohmmeter needed"
kwlyon asked: "I am on that peak of the Dunning..."
Grubb replied to discussion: "How to represent LM386 in schematic"
Matti428493 asked: "Ohmmeter needed"
abitofhelp asked: "BJT Base-Emitter Reverse Breakdown..."
Edmore asked: "pushbutton digital input signal..."
ErnestThornton answered: "triggered momentary switch"
Jiminvan replied to discussion: "Help needed - trying to simulate an..."
Hismandent commented on question: "9V to 5V conversion problems"
vanderghast commented on question: "9V to 5V conversion problems"
detailsizzling commented on an answer to: "How to Design a Circuit for..."
natastro started discussion: "Photodiode symbol: messed-up arrow"
krokoi commented on question: "how to represent a symetrical..."
CircuitLab Blog: "Live DC Simulation!"
CircuitLab Blog: "Digital Adders and Wider Muxes"