Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...
Threads
How Can I Build a Timer Switch for My Mosquito Repellant?
- Kaycee92
- · Replies 2 ·
Difference between class E and F amplifiers?
- shpongle
- · Replies 3 ·
How can I prevent my 60w incandescent bulbs from constantly blowing in my home?
- jose_007
- · Replies 22 ·
How to get high current from a magneto for experiments
- geordy
- · Replies 12 ·
Is there such a site where you can participate projects of all sort?
- Alex_Sanders
- · Replies 11 ·
Why there's no Pentium II and III MCUs being made?
- Alex_Sanders
- · Replies 3 ·
Amplifier efficiency calculations?
- MehhShell
- · Replies 1 ·
555 timer output won't drive MOSFET gate without shutting down power supply
- anthonyjames9
- · Replies 13 ·
How to Choose the Right Shottky Diode for Transistor Switching?
- Ebola0001
- · Replies 4 ·
Voltage Follower Circuit Design: Input Too Low?
- cupidsd
- · Replies 4 ·
How Can Advanced Techniques Improve Short Circuit Detection?
- Blah937
- · Replies 5 ·
Is it possible to use a PIR motion sensor with a mini-USB cable?
- SigmaCrisis
- · Replies 2 ·
BJT Transition Frequency for a High-Frequency Design
- satchmo05
- · Replies 2 ·
How to get started for building the amplification circuit
- Chuck88
- · Replies 8 ·
What do solar cell voltage and current specs mean?
- fisico30
- · Replies 8 ·
Which H-Bridge driver can I use for power supply amplification?
- alexarthur
- · Replies 5 ·
12v dc small motor, speed control,
- polmech
- · Replies 4 ·
How Can I Ensure Voltage Isolation in My Microcontroller Circuit?
- msj08
- · Replies 9 ·
Voltage to Voltage converter design
- mathish
- · Replies 9 ·
Regulate DC Voltage to Charge 12V Battery
- Rev_1911
- · Replies 3 ·
Amplifier for electret microphone
- Bassalisk
- · Replies 34 ·
Building a battery operated railgun
- Kakarot
- · Replies 25 ·
Interfacing two separate boards - ground question
- Physicslearner500039
- · Replies 5 ·
Three Phase pi-section model of power system transmission lines
- krishkr
- · Replies 2 ·
Electric Field Generated by Transmission lines
- I_am_learning
- · Replies 4 ·
Understanding Demand Charges in Condominium Buildings
- waterfall
- · Replies 4 ·
Practical knowledge in electronics
- zahero_2007
- · Replies 4 ·
Identifying Unknown Part: 60 Ohms, 50 nF
- DailyDose
- · Replies 4 ·
How Can You Build a Locker Alarm That Activates When Wires Separate?
- EllBe
- · Replies 5 ·
Does Current Flow Misrepresent How Charge Moves?
- PhantomPower
- · Replies 3 ·
Certification of Sound Level Meter (Not calibration)
- amster
- · Replies 5 ·
Adding the currents of all pins
- Physicslearner500039
- · Replies 3 ·
How do Capacitor Discharge Ignition Circuits work?
- Russell_B
- · Replies 9 ·
Rate of emf decline and rate of change of internal resistance
- williamkat
- · Replies 1 ·
Why do we need boundary conditions in Physics? Its significance?
- vinzie
- · Replies 6 ·
Converting Lux to Watt for Measuring Light Power
- yunusx
- · Replies 3 ·
What is the most efficient and versatile wireless standard for various purposes?
- Alex_Sanders
- · Replies 3 ·
Need to Build Two Circuits That Sense Proximity To Eachother
- marineman78
- · Replies 1 ·
Shielding for common mode currents
- likephysics
- · Replies 11 ·
Rebuilding central vacuum control with 30A relay and 1000W motors
- hit_it
- · Replies 10 ·
How do fluorescent tubes light up with radio waves?
- baconman71
- · Replies 4 ·
Project in RF/Electromagnetics/Photonics
- shpongle
- · Replies 10 ·
Science Project on the Photoelectric Effect
- beatlemaniacj
- · Replies 6 ·
Invention Idea - Cheap Room-Temperature Superconductors Now?
- jay.yoon314
- · Replies 7 ·
Differences between electric cables designed for High, medium and low voltage
- Charles123
- · Replies 11 ·
Why is my calculated copper resistance for #6 AWG four times too low?
- satchmo05
- · Replies 2 ·
Good notes on wire models in digital circuits
- asdfmosin
- · Replies 1 ·
Recording IR remote signals — Is this method feasible?
- Alex_Sanders
- · Replies 7 ·
Zero/Span Circuit for Audio Signal
- cdanderson04
- · Replies 1 ·
Connecting two humidity sensors and pump to microcontroller
- Calvin55
- · Replies 4 ·
What is the input impedance of a FET amplifier circuit?
- sandy.bridge
- · Replies 9 ·
Preventing backfeed from dual motor ignition switches to GPS equipment
- esseph
- · Replies 1 ·
Closed loop stabilization control - integrator circuit
- opmal7
- · Replies 4 ·
What is the difference between impedance and admittance?
- JohnSimpson
- · Replies 3 ·
What advantages do tri-gate MOSFETs have over FinFETs?
- ohopu
- · Replies 3 ·
Schottky barrier Rectifying characteristics
- OnceMore
- · Replies 8 ·
Samsung LN55C630K1F screen flicker at 4Hz, need schematic
- yungman
- · Replies 7 ·
What Do ωL and ωC Mean in Telecommunications?
- fran1942
- · Replies 7 ·
Creating AC current from 6v DC source
- Radiqua
- · Replies 12 ·
Square waves and nonlinear loads?
- hobbs125
- · Replies 3 ·
How does a transformer step down voltage while increasing current?
- Taylor_1989
- · Replies 1 ·
Generator hunting when parallel
- faizmal
- · Replies 5 ·
Where to find sources on Full Adders
- Teachme
- · Replies 1 ·
Charge Pumps -Query - Ripple Vs Switching Frequency
- shaikss
- · Replies 2 ·
How can I prevent my soldering iron from turning black and smoking?
- Kieranlavelle
- · Replies 14 ·
Does higher frequency really require more power in electronic circuits?
- dnyberg2
- · Replies 3 ·
How to choose L and C values for an LC low pass filter with 50Hz cutoff
- hisham.i
- · Replies 2 ·
Static-E Attraction on Knitting Needle
- Nehmo
- · Replies 5 ·
Is There a Small WiFi-Enabled Human Motion Sensor?
- Aymanimo
- · Replies 1 ·
Solving Relay Problem in Thermistor Controlled Comparator Circuit
- Ali Inam
- · Replies 2 ·
The use of a reversed biased zener diode in voltage regulator
- nobrainer612
- · Replies 3 ·
Need assistance building sound controlled LEDS
- jacko jeebus
- · Replies 15 ·
What optocoupler can I use to drive a IRF840 Mosfet for LED lights?
- Bartleboom
- · Replies 1 ·
Full Wave Rectifier Efficiency: Why is it More Efficient?
- dnyberg2
- · Replies 3 ·
Calculating DC Generator Output via Input
- MBellRacing
- · Replies 5 ·
Is the Neo Socket Truly a Fuel Saving Device?
- Bararontok
- · Replies 5 ·
Oscilloscope for automotive diagnostics with data logging under $1000
- jack112286
- · Replies 4 ·
Converting an electrical appliance with DC motor to AC watts
- Boris8879
- · Replies 6 ·
Interpreting the BH curve obtained experimentally
- Prerana
- · Replies 4 ·
Q factor of inductor vs parallel LC tank circuit
- appoos
- · Replies 2 ·
Any components to determine the charges?
- oem7110
- · Replies 3 ·
Which type of actuator fits the job
- Guilty Spark
- · Replies 8 ·
Why must ammeter be connected in series?
- kahwawashay1
- · Replies 17 ·
Electromagnetism - Motor Question
- daredevil
- · Replies 2 ·
Book on 3-phase brushless motors
- Bassalisk
- · Replies 4 ·
Determining the saturation current
- sandy.bridge
- · Replies 2 ·
What is the optimal biasing network and transistor for a Clapp oscillator?
- Fischer777
- · Replies 6 ·
We've came a long way with inverters
- dlgoff
- · Replies 12 ·
Solar panels and piezoelectric discs
- shoes
- · Replies 2 ·
A single line diagram for PV system for a distribution system
- subesharyal
- · Replies 3 ·
Understanding Power Output of a PSU
- D44
- · Replies 3 ·
Series or Parallel connection for LC circuit
- baconman71
- · Replies 17 ·
Impedance Matching for "Electrically Short" Coaxial Lines at 125 MHz
- satchmo05
- · Replies 4 ·
Alternating Outputs with 555 Timing Chips
- gboff21
- · Replies 1 ·
IR LED and phototransistor switch for 12V DC motor
- mac37m
- · Replies 2 ·
Why use inverter and not correct ac source to ac drive directly?
- Eatmealive
- · Replies 1 ·
Is it possible to convert heat to electricity using Peltier Module?
- pierr13
- · Replies 4 ·
Can LED Shift Indicators Be Created Without Arduino?
- chess0990
- · Replies 1 ·
What Factors Affect the Switching Frequency of a MOSFET?
- JJ91
- · Replies 2 ·
How was infrared remote encrypted?
- Alex_Sanders
- · Replies 3 ·