Electronics Questions & Answers last updated 8:07:40 PM PDT

IoT based smart meter	asked by yinlai 0 answers · 1 comment October 13, 2021
how to get 100 kHz frequency for 10 MHz Crystal by using gate divider	asked by hfosunildutt 1 answer · 1 comment October 09, 2021
how to get 100 kHz frequency for 10 MHz Crystal by using gate divider	asked by hfosunildutt 0 answers · 0 comments October 09, 2021
I am unable to create a new circuit	asked by barriethesen 0 answers · 0 comments October 07, 2021
small-signal amplifier	asked by Kayraa 0 answers · 1 comment October 05, 2021
RC network	asked by Kayraa 0 answers · 1 comment October 05, 2021
Colpitts oscillator	asked by Kayraa 0 answers · 0 comments October 05, 2021
Attenuation	asked by Mint700 0 answers · 0 comments September 28, 2021
Tesla Coil Not Working. Transistor Getting Heated Up !! SOLVED	asked by RohanRaj 1 answer · 6 comments September 27, 2021
Z- Diode	asked by ninkokh 0 answers · 3 comments September 25, 2021
Choosing pulldown resistor for 74LS86	asked by Deion_Adel 0 answers · 1 comment September 24, 2021
perimeter protection	asked by arxny 0 answers · 1 comment September 21, 2021
Arduino and MOSFET IRL540 Using Problem	asked by Robertlee 1 answer · 2 comments September 09, 2021
Simple 2 led flasher circuit	asked by Daniedp76 1 answer · 0 comments September 06, 2021
Determining how many motors that I can drive in parallel and series	asked by lpike 0 answers · 1 comment September 05, 2021
Buying an adapter, do i need 5v or 10v?	asked by Dr_arell 0 answers · 2 comments September 03, 2021
How to simulate Qualcomm processors?	asked by pooja812 0 answers · 1 comment September 02, 2021
cree xpe2 in place of xpg3	asked by Clobberwatts 0 answers · 0 comments September 02, 2021
Trying to understand ESP32 GPIO triggering relay based on AdaFruit Latching Circuit	asked by DDomnick 0 answers · 1 comment September 01, 2021
Relay in Arduino	asked by Ahmed_Fakhouri 0 answers · 1 comment August 31, 2021
Tutorial 1. Why does the voltage drops to 0?	asked by AbdulRahim_Electronics 0 answers · 1 comment August 30, 2021
what is this ic	asked by esinior 0 answers · 0 comments August 27, 2021
Use power transistor for TDA2030 audio amp?	asked by Robertlee 1 answer · 0 comments August 27, 2021
One Transistor Ciruit	asked by frank2765 0 answers · 1 comment August 27, 2021
Power Supply Rails	asked by JimmyAz 0 answers · 2 comments August 21, 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
DMBoie saved circuit: "Over-unity "Proto-Circuit -..." 1 hour ago
wampcat saved circuit: "james-baxandall" 1 hour ago
redbird2 asked: "Stephanie Beaudeau Emsworth is..." 1 hour ago
Annie_Huang saved circuit: "EE2111A vacuum cleaner" 2 hours ago
ASohail22 saved circuit: "PI controller"
danialusk commented on an answer to: "Create your own diagram of 4 bulbs..."
evabilalovalbert answered: "Constant Current Electronic Load "
vanderghast answered: "custom components"
alijen commented on question: "Getting weird results when..."
vanderghast commented on question: "What is the best battery for a..."
SuperNoob asked: "Getting weird results when..."
nickvi asked: "What is the best battery for a..."
mothmanup asked: "please i really need help"
Elec-Girl commented on question: "Relays on a chip"
taylorcurran answered: "Constant Current Electronic Load "
eachhabitual answered: "photocoupler"
swipesy started discussion: "Resetting part auto numbering"
lsears started discussion: "45 Degree Wire"
HammerTone replied to discussion: "Increase the 10 component limit on..."
Antifreeze started discussion: "Tone Generator"
CircuitLab Blog: "Live DC Simulation!"
CircuitLab Blog: "Digital Adders and Wider Muxes"