Electrical Engineering Forum

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

Build a Timed Servo with Basic Knowledge | PF

  • Zenox
  • · Replies 6 ·
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6

How can reversing current affect battery charging?

  • spidey
  • · Replies 5 ·
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5

Amateur radio + typical bandwidth of RTTY, PSK31, FSK

  • JamesGoh
  • · Replies 1 ·
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1

Understanding Optocoupler circuit

  • shahper
  • · Replies 5 ·
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5
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13

Understanding Integrated Circuits: Functions, Uses, and Schematics

  • Benjamin113
  • · Replies 6 ·
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6

Understanding PIN Photodetector Bandwidth for Vibration Sensing

  • roujhan
  • · Replies 6 ·
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6
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15

Optical Theremin - Photocell Question

  • k_squared
  • · Replies 2 ·
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2

Multiple gsm modules, one antenna

  • overmindx
  • · Replies 1 ·
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1

What Is the Best Low-Cost Material for Generator Windings?

  • neduet
  • · Replies 5 ·
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5

How to Design a Variable Timed Circuit Cut Off?

  • GreasyBob
  • · Replies 1 ·
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1

Seeking advice for design of homemade DC Motor

  • Haxord
  • · Replies 1 ·
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1

Swap batteries between an experiment and a charger

  • 0xDEADBEEF
  • · Replies 2 ·
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2

Noise Troubles With BNC Connectors: Investigating Causes & Solutions

  • nitin.jain
  • · Replies 13 ·
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13

Comprehending a Circuit: Timing with Vref & Vchange

  • sr_sample
  • · Replies 22 ·
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22

IEC 60529 Definition of "Finger Safe" for Cylinders

  • DTM
  • · Replies 5 ·
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5

Bike light design - will this work?

  • crank
  • · Replies 10 ·
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10

Safely Measuring HV DC for Processing: A Microcontroller Solution

  • Jdo300
  • · Replies 10 ·
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10

External Clock usage on a msp430 dev tool kit

  • vky
  • · Replies 1 ·
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1

How does this Dark Meter work?

  • AntiStrange
  • · Replies 5 ·
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5

How To Remove Coating On Very Thin Headset Wires?

  • Lancelot59
  • · Replies 25 ·
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25

BJT Base Transit Time: Understanding the Basics

  • solanojedi
  • · Replies 4 ·
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4

Help with TV Antenna Questions - Get Answers Now!

  • oldsloguy
  • · Replies 25 ·
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25

Teach yourself kit on how to use capacitors and resistors

  • Yportne
  • · Replies 4 ·
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4

Analog Signal Loop/Switch Control?

  • jb1
  • · Replies 1 ·
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1

LTSpice question, dependent sources.

  • Redbelly98
  • · Replies 2 ·
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2

How Many Amp Hours Are in 3.2 MJ?

  • djkwolf
  • · Replies 8 ·
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8

Identifying & Synchronizing Signal Phase for 60 Hz Cancellation

  • m718
  • · Replies 3 ·
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3

Measuring MOSFET temperature w. sensor

  • Jdo300
  • · Replies 3 ·
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3

Electric Potential and Potential Energy in a Circuit

  • Red_CCF
  • · Replies 9 ·
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9

Detecting Shorted MOSFETs in Output Stage

  • Jdo300
  • · Replies 5 ·
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5

Low Pass Filters: Is Noise an Issue?

  • 0xDEADBEEF
  • · Replies 10 ·
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10

Why won't ground reroute the general home circuit?

  • foo
  • · Replies 9 ·
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9

Batteries, Ground & Static Electricity

  • jachyra
  • · Replies 8 ·
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8

Impedance of voltage source, and tank ckt

  • fleem
  • · Replies 1 ·
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1

Where Can I Find Detailed Plans for Building a Real Railgun?

  • arumz
  • · Replies 7 ·
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7

How are lighthouses powered? using cables?

  • chhitiz
  • · Replies 9 ·
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9

Multi-Phase or more then three phase

  • muet
  • · Replies 8 ·
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8

Creating a Device from Patent Info: Is it Legal?

  • Electrified!
  • · Replies 2 ·
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2

Does the brain pick up on electronic signals?

  • jreelawg
  • · Replies 11 ·
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11

Control I/O with USB | Get Help Now

  • Liad
  • · Replies 5 ·
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5

How Do I Calculate the Correct Resistance for a Phototransistor Circuit?

  • StealthRay
  • · Replies 21 ·
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21

Transconductance of a differential pair

  • bitrex
  • · Replies 4 ·
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4

Calculating Battery Life: Is 0.05 Hours Correct?

  • JD88
  • · Replies 5 ·
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5

Current controlled VCA and differential amplifier question

  • bitrex
  • · Replies 7 ·
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7

Where can I get a 2.45 GHz Oscillator

  • hashmos
  • · Replies 6 ·
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6

Selection of infrared components and calculation

  • StealthRay
  • · Replies 3 ·
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3

Thermal Resistance at a single point

  • hamzaaaa
  • · Replies 19 ·
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19

Basic Circuit Flow: Learn How Electricity Moves

  • Yportne
  • · Replies 6 ·
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6

Is free energy Really Possible?

  • I_am_learning
  • · Replies 8 ·
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8

Problem obtaining I-V characterisation of solar cell

  • feel luck
  • · Replies 8 ·
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8

How to obtain the I-V characterisation curve of a-Si solar cell?

  • feel luck
  • · Replies 1 ·
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1

Figuring 12V 3A DC Power Supply Capacitance

  • daveroderick
  • · Replies 3 ·
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3

: mini pond/fountain pump workings

  • DaveC426913
  • · Replies 35 ·
2
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35

Capacitor causing a negative dip fixed an issue, why?

  • ConeOfIce
  • · Replies 7 ·
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7

Bidirectional pure sine wave inverter

  • thierryl
  • · Replies 2 ·
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2

Can a generator safely handle full load amps at different power factors?

  • Josh111
  • · Replies 4 ·
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4

EE still good choice for new Engineering major?

  • rgp28
  • · Replies 7 ·
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7

Build In-Phase Sine Wave Generator 1KHz-12KHz Voltage Controlled

  • osta07
  • · Replies 7 ·
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7
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8

Design a Human Touch Sensor Device | Get Help Now

  • haren
  • · Replies 5 ·
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5
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2

I'm working on a design for an electric bike

  • happy_hipster
  • · Replies 7 ·
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7
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13

Can anyone tell me what triax cable is good for.

  • 0xDEADBEEF
  • · Replies 6 ·
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6

Set voltages and amperage for devices

  • user111_23
  • · Replies 2 ·
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2

Filters Explained: What Are DSP Filters?

  • blackout77
  • · Replies 5 ·
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5

Advice on Studying EECS post-PhD

  • changeseeker
  • · Replies 9 ·
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9

FFT and Nyquist frequency - higher frequencyresolution with lesser samples

  • sodemus
  • · Replies 13 ·
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13

Amplification Testing for Headphone Amplifier Modifications

  • renegg
  • · Replies 3 ·
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3

Connecting a 240v Water Heater to a Timer/Switch

  • osiris12
  • · Replies 30 ·
2
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30

First Microcontroller Buyer: Find Best Controller & Company

  • JCoder
  • · Replies 19 ·
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19

Gain-Bandwidth product question

  • bitrex
  • · Replies 1 ·
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1

Is There a Ratio Between Short Term and Continuous Current for Power Cables?

  • rontruong
  • · Replies 14 ·
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14

What is the best power supply for a peltier-based water cooling unit?

  • DoomDuck
  • · Replies 12 ·
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12

Calculating Inductance Gradient for EM Launcher

  • axi0m
  • · Replies 5 ·
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5

Searching for software for logic optimization

  • TRan
  • · Replies 6 ·
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6

Stub vs. Current & Voltage: What's Going On?

  • Benindelft
  • · Replies 9 ·
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9

No load output voltage of a bridge rectifier

  • sridhar10chitta
  • · Replies 13 ·
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13

Pulse Width of a Magnetic Field

  • Nash78
  • · Replies 10 ·
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10

What soft compressible materials safely work with wiring

  • beachbumz123
  • · Replies 3 ·
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3

Trouble Comprehending Rotating Magnetic Fields

  • HydroGuy
  • · Replies 13 ·
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13

House electrical lines AC voltage are forming sinusoidal waveform

  • muet
  • · Replies 4 ·
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4

Limit Max Voltage to Mic Input: Reduce Signal Amplitude

  • m718
  • · Replies 8 ·
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8

Using SPI mode to interface msp430 with RF transciever and SD card

  • mz8e08
  • · Replies 1 ·
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1

What exactly is electrical energy?

  • cak942
  • · Replies 4 ·
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4

Optocoupler not behaving as expected.

  • williamshipman
  • · Replies 22 ·
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22

Will a Failed Breaker Cause a Generator to Lose Residual Magnetism?

  • Josh111
  • · Replies 4 ·
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4

DC-DC Buck-Boost converter using 555 Timer?

  • Jdo300
  • · Replies 4 ·
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4

Op Amp built with discret components and having GBP over 30 MHz.

  • Ravaner
  • · Replies 4 ·
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4

AC vs DC: The History and Practicality of Electrical Currents

  • neduet
  • · Replies 9 ·
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9

What Does a Day in the Life of an Electrical/Electronic Engineer Look Like?

  • blacksheep
  • · Replies 1 ·
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1

Air Handling Unit Test - Air Heating Problem

  • JaredJames
  • · Replies 3 ·
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3

Will 22 AWG 17 Strand Wire Work In My Crimp Connector?

  • roeb
  • · Replies 2 ·
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2

Solving Transformer Issue with 160KVA SOCOMEC UPS

  • baroomby
  • · Replies 1 ·
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1

How to manually solder a QFN chip with a hot air gun?

  • fiedel
  • · Replies 18 ·
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18

Winding your own air-core inductor

  • pinchy911
  • · Replies 2 ·
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2

Why Is My 2kW Fan Heater Only Using 0.7kW?

  • JaredJames
  • · Replies 2 ·
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2

How Can I Design a BLDC Motor with 300W Power, 24V Voltage, and 40 Nm Torque?

  • thecoolsundar
  • · Replies 3 ·
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3