Electronics Questions & Answers last updated 5:43:57 PM PDT

Beginner question, regarding how many Volts to use	asked by BeefJeff 0 answers · 8 comments April 06, 2021
Digital to analog audio converter	asked by Ahmad4D 0 answers · 0 comments April 04, 2021
circuits SOLVED	asked by gordonwalker 1 answer · 1 comment April 02, 2021
Model for a power supply in circuit lab	asked by Stroller 0 answers · 0 comments March 31, 2021
1960 Slot Machine	asked by knowcera 0 answers · 0 comments March 30, 2021
voltage divider typical biasing beta value 100 Vbe 0.7 SOLVED	asked by Akki7213 1 answer · 2 comments March 27, 2021
simulate battery?	asked by paystreak 0 answers · 1 comment March 25, 2021
what is voltage at electrical ground	asked by Avamaboudi 0 answers · 1 comment March 21, 2021
Current Controlled Voltage Source SOLVED	asked by GMP777 1 answer · 2 comments March 19, 2021
Can I make a 5 amp 3 pin plug to USB adaptor?	asked by Sofii 0 answers · 1 comment March 15, 2021
Led VU meter	asked by Nails3 0 answers · 0 comments March 11, 2021
transformers/ circuits	asked by tonystarkmsk 0 answers · 4 comments March 10, 2021
convert solar-powered sensor light to low-voltage ??	asked by thorton 0 answers · 1 comment March 09, 2021
Power supply and wiring guidance needed to wire an array of 100 LEDs	asked by niklnikl 2 answers · 5 comments March 09, 2021
Circuit of a small electric arc	asked by Siham 0 answers · 5 comments March 02, 2021
Electronic Fingerprint Reader	asked by acarruth 0 answers · 1 comment February 26, 2021
Alphanumeric Keypad	asked by acarruth 0 answers · 0 comments February 26, 2021
Autonomous robot	asked by anna.c 0 answers · 4 comments February 25, 2021
how to add a switch	asked by andriivasylenko 0 answers · 1 comment February 23, 2021
Datasheet	asked by Arefb 0 answers · 0 comments February 21, 2021
What about scr,triac,diac???	asked by garce3 0 answers · 6 comments February 21, 2021
One dimmer and two reversed output!	asked by sarez66 0 answers · 0 comments February 21, 2021
Battery choice	asked by JethroClampett 0 answers · 0 comments February 21, 2021
AC 6V to DC 12V	asked by pragathimr1210 0 answers · 0 comments February 17, 2021
Connecting 5v UBEC to 3s LiPo battery	asked by bits 0 answers · 3 comments February 17, 2021

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
vanderghast commented on question: "Connecting an alarm" 11 hours ago
Eli99 asked: "Connecting an alarm"
atharvan saved circuit: "Brake_Light_Integrated"
dewpepis saved circuit: "precision amp"
CulturedPapaya saved circuit: "Cirusfba"
bobphoenix commented on question: "Simple AC to DC Circuit -..."
Pl_eng commented on question: "Short pulse generator determined by..."
muddybiker replied to discussion: "Relay Parameters"
Foxx commented on question: "Simple AC to DC Circuit -..."
ThomasCircuit42 saved circuit: "ABZ-Signal"
Pl_eng asked: "Short pulse generator determined by..."
OilyChubk6 asked: "how to make a speaker say a voice..."
Robertlee asked: "DRV8833C suitable for driving..."
abezabhe1103 started discussion: "Circuit lab"
dont-know-much answered: "Substituting 12v AC/DC adapters"
meconfused999 answered: "componets help, please."
Foxx replied to discussion: "solar panel power source"
frank2765 started discussion: "Led on indecator"
Tobbera answered: "Can a headphone cable, TRS jack&..."
Dr_arell answered: "making led strips react to when im..."
CircuitLab Blog: "Live DC Simulation!"
CircuitLab Blog: "Digital Adders and Wider Muxes"