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
Start making electrical circuits
- yoran
- · Replies 10 ·
Simulating Real World: What's Needed?
- aquaregia
- · Replies 3 ·
Can Wireless Power Transmission Revolutionize Energy Distribution?
- 888eddy
- · Replies 14 ·
6volt backup battery circuit with auto charger
- saad ahmed khan
- · Replies 7 ·
Can an Integrated Circuit Select a Specific Frequency and Regulate Voltage?
- Idea04
- · Replies 4 ·
Can I use the power outlet ground for an ESD mat?
- fidel
- · Replies 6 ·
Distance Tracking Device using Arduino
- Silence
- · Replies 7 ·
Measuring inductor voltage at 40 MHz with voltage divider and low amplifier power
- iolantham
- · Replies 8 ·
Where to find PCB design tips from experienced designers
- parsafarmh
- · Replies 1 ·
Does this exist (proximity circuit)?
- IHateMayonnaise
- · Replies 10 ·
Heath/Zenith DualBrite motion sensor wiring with red, pink, and white cables
- thyssen
- · Replies 4 ·
How Does Touch Switch Surface Area Affect Capacitance?
- Jso
- · Replies 5 ·
Why capacitor plate charges are equal and why higher frequency increases current
- finenil
- · Replies 11 ·
How Does Electromagnetic Interference Affect Outdoor Vending Machines?
- rashidahwazia
- · Replies 5 ·
CMOS driving TTL? fanout question
- EvLer
- · Replies 7 ·
Tektronix 2246 Oscilloscope CRT Sparkle/Noise - Normal?
- jordankersten
- · Replies 17 ·
How does the shape of an electromagnet pole affect the field produced?
- ptabor
- · Replies 5 ·
Calculating base voltage of an npn transistor
- jearls74
- · Replies 2 ·
A few questions about computer applications and microprocessors
- Oblio
- · Replies 3 ·
Where to find specialty circuits
- Idea04
- · Replies 12 ·
Opamps not at the write outputing right
- bigrock
- · Replies 2 ·
Does a car battery supply high current to everything connected to it?
- jearls74
- · Replies 4 ·
Cost and power consumption of a 3x5m digital billboard in Ghana
- selseg
- · Replies 1 ·
Creating a Magnetic Mover for Fast Soda Pop!
- interstellar
- · Replies 2 ·
Phasor representation of AC voltage and current
- Astronuc
- · Replies 3 ·
Bode Phase plot of a second order system
- bumclouds
- · Replies 4 ·
Transistor Question: Can a Transistor Amplify Current?
- jearls74
- · Replies 1 ·
Do resistors dissipate electrical energy as heat?
- vmars
- · Replies 4 ·
Can Digital Encoder Make a Difference in Transmitting Low Frequency Signals?
- Idea04
- · Replies 2 ·
How to get power out from a smart phone?
- rahul_sabnani
- · Replies 20 ·
How Can I Estimate Blood Velocity Using Doppler Ultrasound?
- collier
- · Replies 1 ·
Circuit Diagrams: Software to Draw White Background Diagrams
- Edwardo_Elric
- · Replies 3 ·
Controlling a 3-way solenoid valve with a 556 timer
- simo
- · Replies 3 ·
Over Unity Motor: Is it Possible? 2 Australians Have It
- Lordandrew
- · Replies 2 ·
Can a 5V Booster and Regulator Simplify Using Different Battery Types?
- FlashCus
- · Replies 5 ·
Force produced by current carrying coil to move sludge(steel rod)
- rvb53
- · Replies 5 ·
How Do I Calculate the Power Output of a 38 Watt Amp?
- emigre911
- · Replies 3 ·
Need guidance on a simple wireless setup to transmit a number
- ankitgu
- · Replies 7 ·
How to work out the turn ratio on a transformer
- speedy46
- · Replies 11 ·
Can I Use a 60amp Power Supply for a 24V Thermoelectric Cooler?
- blckonyxx
- · Replies 5 ·
Is there a way to regulate voltage only when it exceeds a certain limit?
- Jdo300
- · Replies 17 ·
Automobile antennas-radial ribs?
- Jupiter6
- · Replies 9 ·
Interfacing a comparator-LDR sensor with an ADC to read data on a computer
- ruben
- · Replies 1 ·
What resistor wattage should I use for a load of 100ma to keep contacts clean?
- I forgot ohms
- · Replies 3 ·
Seeking fiber optics info - power transmission
- sunbeam999
- · Replies 1 ·
Do Lifting Magnets Waste Energy?
- abbas13677
- · Replies 9 ·
USB iPod charger from 4 AA batteries dropping to 4.1V under load
- FlashCus
- · Replies 6 ·
Core material selection for high-current DC solenoid
- lichen
- · Replies 7 ·
Doorbell circuit that plays one chime per button press
- dirzsignature
- · Replies 7 ·
Control Engineering Basics: Understanding Output vs Input
- raybuzz
- · Replies 5 ·
How useful is this software? Our company is deciding on purchasing a
- HD555
- · Replies 3 ·
Decreaseing voltage increases current
- loadedmike
- · Replies 10 ·
Is a 12 watt solar panel enough to power a garage ventilation fan?
- russ_watters
- · Replies 7 ·
Controlling LED Intensity with Light Sensors
- zapper
- · Replies 2 ·
Can You Safely Use a Center Tapped Transformer for a Dual Polarity Power Supply?
- gargeug
- · Replies 5 ·
Building a battery system for a monitor and CPU with 12-hour runtime
- zapper
- · Replies 3 ·
Voltage drop causing 6.7V on ground after 120V sawmill machine
- lukas86
- · Replies 16 ·
Bragg cell in laser doppler vibrometer
- zaimir83
- · Replies 3 ·
Can USB Data Be Transmitted Wirelessly with Circuit Integration?
- circuit man
- · Replies 14 ·
Studying to become an Electrical Enginee
- lukas86
- · Replies 2 ·
What are the Limitations of Mumetal for Magnetic Shielding in 3T MRI Systems?
- csm09
- · Replies 2 ·
Books and websites for brushing up on electrical engineering for building systems
- danny12345678
- · Replies 5 ·
How to Properly Terminate a High-Frequency Transmission Line Between PCBs?
- Jdo300
- · Replies 11 ·
Laser current modulation issues
- matheyrichs
- · Replies 11 ·
Square wave generator above 500 MHz with 2 channels
- SwissApe
- · Replies 7 ·
How far apart can a neodymium magnet and electromagnet attract?
- Cocacolacan
- · Replies 12 ·
Ruthenium Battery Prototype: A Breakthrough or a Secret?
- BatteryNut
- · Replies 4 ·
How to Calculate the Coupled Transfer Function of Two RC-Filters?
- Galileo
- · Replies 2 ·
Creating Motion Sensors for Bus Arrival Panel
- Cluelss
- · Replies 5 ·
How Does an Inductor Affect AC Current and Voltage Phase Relationship?
- fedaykin
- · Replies 4 ·
Design Ideas for Undergrad in DSP
- WolfOfTheSteps
- · Replies 5 ·
How do I learn to design circuits from basic principles?
- jesuslovesu
- · Replies 3 ·
How can I use a radio wave to turn on/off a siren?
- Harmony
- · Replies 3 ·
What magnetic shielding should I use?
- supro
- · Replies 18 ·
Circuit designs with crystals and layout of digital clock lines
- TheAnalogKid83
- · Replies 2 ·
Build a 240V Inverter: What Components You Need
- basadebiz
- · Replies 1 ·
Can we create a radially oriented magnet without inequality or jagged edges?
- abbas13677
- · Replies 8 ·
Zero-Crossing Demodulation of FM signals
- bumclouds
- · Replies 1 ·
Do Displacement Currents Exist In Electric Motors
- kmarinas86
- · Replies 1 ·
Why does current remain constant in a series circuit?
- Jack John
- · Replies 2 ·
Control AC Fan Motor with DAQ: AC Voltage Driver?
- adrianstraka
- · Replies 2 ·
Expression for the internal potential
- Ana.B
- · Replies 6 ·
Are 4uF Capacitors a Viable Option for MMC in Tesla Coils?
- envytea
- · Replies 2 ·
Looking for oscillator learning material
- Danny__
- · Replies 1 ·
Root Locus: 4 Open Loop Poles at s=-2
- bill nye scienceguy!
- · Replies 3 ·
Mobility of holes and electrons
- jablonsky27
- · Replies 3 ·
Why does NMOS drain current go negative at high V_BS in Microcap?
- varunag
- · Replies 5 ·
Calculating needed cable diameter
- Liad
- · Replies 2 ·
Whats the common name of this course
- transgalactic
- · Replies 10 ·
Common name for introduction to EE course with circuits
- transgalactic
- · Replies 2 ·
Can You Drive a DC Motor at Maximum Speed with Batteries?
- reinaldo
- · Replies 9 ·
Evaluating terminal current capacity.
- Adder_Noir
- · Replies 9 ·
Charging a deep cycle battery from cigarette lighter socket
- Ian_j_s
- · Replies 3 ·
Which Electromagnet Design Works Best?
- Chronothread
- · Replies 5 ·
IGBT + T8 Fluorescent + Simple Ballast = Headache
- CzarDestructo
- · Replies 9 ·
Current Discrepancy: Why Positive Charge?
- Opario
- · Replies 4 ·
Simple electronic instrument modification.
- HarryZhe
- · Replies 9 ·
What is the skin depth at DC in an ideal conductor (superconductor)?
- antonantal
- · Replies 5 ·
What does these simbols represent?
- transgalactic
- · Replies 3 ·