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 incorporate a Li-ion CC/CV circuit with an LM317 to charge batteries?
- BillyBobjoe
- · Replies 3 ·
Pumped and source synchronous transmission
- dfx008
- · Replies 2 ·
Making a DC Motor: Is Magnetic Rod Needed
- 9876098
- · Replies 2 ·
Design of a conventional multi range voltmeter/ammeter
- dentjie88
- · Replies 1 ·
What is Rated insulation voltage for relay?
- hanhao
- · Replies 3 ·
Electrical bonding in high voltage line maintenance
- yoghurt
- · Replies 2 ·
Can electric vehicles have battery packs exchanged at gas stations?
- Wozerd
- · Replies 13 ·
Could Electromagnet Vibration Indicate a Current Limit in the Power Supply?
- SmashtheVan
- · Replies 3 ·
Understanding Common Mode Rejection Ratio (CMRR) in Op-Amps
- lkari
- · Replies 9 ·
How Can I Accurately Track 6DOF in a Small, Budget-Friendly Device?
- lemd
- · Replies 1 ·
Powering a circuit with ±12V and ±6V from batteries
- roberts26
- · Replies 4 ·
How can I design a 30-second lag time timer using a 555 timer?
- big_tobacco
- · Replies 4 ·
Neutral Wires: Potential and Safety
- v_gurucharan
- · Replies 1 ·
How do I add or subtract a DC offset to a sine wave?
- kiamzattu
- · Replies 7 ·
Magnetic Induction Experiment Suggestion
- sammy-e
- · Replies 4 ·
Why Do Some Voltmeters Not Show 10V at Full Scale on a Potentiometer?
- a3sportback54
- · Replies 1 ·
Is there a good resource on the Seebeck effect
- 0xDEADBEEF
- · Replies 1 ·
ELECTRONIC Circuits editor and Simulator
- lkari
- · Replies 3 ·
How Can You Determine the Capacitance Needed for a Single Phase Capacitor Motor?
- GuitarWill88
- · Replies 4 ·
JK FF: Why Duty Cycle is Always 50%?
- ckaiser813
- · Replies 2 ·
How Does Load Impact Electric Motor Efficiency and Speed?
- tyquestions
- · Replies 4 ·
Understanding Voltage, Amperage, and Wattage for DC Motors at Low RPMs
- tyquestions
- · Replies 3 ·
Designing a Circuit with Op-Amp on PCB: Reasons & Refs
- swty todd
- · Replies 3 ·
Why is energy signal having a finite energy value and 'zero value of power'
- grafica
- · Replies 3 ·
How can we define a Q-factor for an inductor alone?
- Dominique
- · Replies 3 ·
Comparing dental magneostrictive ultrasonic scalers by output specifications
- Suzanne
- · Replies 15 ·
What off-grid power options are available right now?
- Mgt3
- · Replies 4 ·
Can Lead Acid Batteries Be Used in Parallel for Optimal Performance?
- cshieldsx
- · Replies 9 ·
Can You Use 220V MR16 Bulbs Without a Power Supply?
- Logger
- · Replies 2 ·
How to amplify a small momentary charge pulse
- zepto-
- · Replies 18 ·
What will I study in an electrical engineering program?
- ahmedhassan72
- · Replies 2 ·
How electricity could be both AC and DC?
- swty todd
- · Replies 9 ·
How Does a Step Up Transformer Illustrate the Conservation of Energy?
- XPTPCREWX
- · Replies 2 ·
Bring Speedo Up in Ford Mondeo with Frequency Doubler
- Ferret
- · Replies 18 ·
Using XOR gates to detect odd parity in 4-bit binary
- sos617@bham.a
- · Replies 2 ·
Fourier series of f(t)=2u(t)-2u(t-2) with period T=4s
- th3plan
- · Replies 1 ·
Intrinsic resistance of a transistor
- adiman1984
- · Replies 2 ·
Fixed power supplies with -9V, +9V, and -5V outputs
- atlbraves49
- · Replies 33 ·
Can I run a stair chair directly on AC power instead of using batteries?
- Missouri Bob
- · Replies 10 ·
Resistance , current and temperature
- adool_617
- · Replies 2 ·
How Can I Generate Power in a Spinning Juggling Club?
- eatingblaa
- · Replies 2 ·
Microcontroller to Laptop through RS232-USB Converter
- Rickson
- · Replies 6 ·
Finding the Right VCR/VDR or VCO to Make a Variable Length Pulse
- madmike159
- · Replies 3 ·
Closing a Switch with Microcontroller: Simple Answer
- dmehling
- · Replies 5 ·
Building a 1300°C tube furnace with Kanthal wire and Mullite tube
- KYPOWERLIFTER
- · Replies 1 ·
How does a electric potatoes peeler work?
- mrdavide
- · Replies 2 ·
Calculating Power Output with PWM and 1ohm Load
- GlynnHeeswijk
- · Replies 5 ·
LED ramp up/down circuit for aquarium panel with Xitanium driver
- malaybiswas
- · Replies 2 ·
Making a non pressurized water heater
- GiTS
- · Replies 10 ·
Broadcasting bird songs for 6 hours daily on a timer
- BirdBrained
- · Replies 2 ·
Gates - Basic question from new student
- Macwoni
- · Replies 3 ·
How Do You Calculate Electrical Field Strength in Kapton Insulated Cables?
- nastyboy
- · Replies 2 ·
Longitudinal waves in circuits?
- juan avellaneda
- · Replies 2 ·
Which modern op-amp should I compare with the 741?
- swty todd
- · Replies 2 ·
Hardware to mount pcb/prototype board to metal box?
- atlbraves49
- · Replies 5 ·
Open Source Humanitarian Demining Project
- Humanise
- · Replies 13 ·
Capacitor question( what do prioritize to maximize current in a RC circuit)
- polosportply
- · Replies 1 ·
Cramer's Rule in Complex Frequency Domain.
- Peon666
- · Replies 1 ·
Convert Digital Output from DAQ to Analog output?
- atlbraves49
- · Replies 4 ·
Control DC Motor Speed using Astable - Mike's Project
- madmike159
- · Replies 4 ·
Can you add a DC voltage to an AC voltage using an op-amp?
- kiamzattu
- · Replies 11 ·
Get 5V from 9V Battery for TTL 7400 IC
- muh_j18
- · Replies 1 ·
How to calculate the BusBar size?
- megatronic
- · Replies 2 ·
Electric Arc Current Estimate: 80kV, 1" Gap
- mgibson
- · Replies 5 ·
Math Courses for Electrical Engineering Degree
- Macwoni
- · Replies 2 ·
Determining supply current/voltage to LED
- hl_world
- · Replies 19 ·
Capacitor Selection - Suggestions for 100kHz Low ESR Decoupling
- deen25
- · Replies 4 ·
PSK modulation for power line communication between computers
- abs_heroever
- · Replies 7 ·
What's the purpose of R20 in this schematic
- j777
- · Replies 6 ·
Is a DC Battery Bank Feasible for Supplementing Power in a Remote Machine Shop?
- TacPyro
- · Replies 2 ·
Understanding 3 Phase IEC Contactors/Starters
- XPTPCREWX
- · Replies 4 ·
Designing a Timed Vibration Device for Children with Autism
- midwest_medic
- · Replies 6 ·
Using Excel for analog circuit design optimization
- piyudhaker
- · Replies 8 ·
How can I simulate dielectric breakdown?
- seang
- · Replies 10 ·
Can general prototyping boards handle up to 4-5A in current?
- atlbraves49
- · Replies 1 ·
What if? (concerning electrical induction)
- confusedone
- · Replies 25 ·
Phone won't turn on after charging until I remove and reinsert the battery
- wolram
- · Replies 2 ·
Carmel IN Wire Harness Builder Looking for Supplier
- I forgot ohms
- · Replies 4 ·
Why isn't wireless power transmission like Tesla's 1899 experiment used today?
- Ksree
- · Replies 21 ·
Remote Volume Control for 2-channel Pyle Pro Amplifier
- MaNiAc2k
- · Replies 3 ·
Which capacitor is right for me?
- DougD720
- · Replies 8 ·
Can I mount an SD card connector over vias covered with soldermask?
- j777
- · Replies 5 ·
Wireless information sending and baud rate
- bassplayer142
- · Replies 3 ·
Power in dc circuits supplying or consuming?
- spazzy32
- · Replies 1 ·
Restoring a 60-year-old world time clock with solenoid-driven movements
- Sawyer888
- · Replies 11 ·
Open curcuit voltage of photovoltaic devices
- chenhon5
- · Replies 11 ·
Converting a fuel tank sender to drive a 50µA analog gauge
- johnerbes
- · Replies 12 ·
Full wave rectifier for piezoelectric stack
- lucy_b14
- · Replies 6 ·
How Do You Analyze Circuits Containing Diodes?
- dancavallaro
- · Replies 7 ·
How Can I Measure Water Levels in a Tank for PLC Integration?
- User Name1
- · Replies 7 ·
LED and Resistor Circuit WiringWhich resistors should i use?
- lukeledinstal
- · Replies 15 ·
What do normalized current and voltage mean in transmission lines?
- swty todd
- · Replies 1 ·
How to Set Undervoltage Lockout for TPS63001?
- samski
- · Replies 2 ·
Transmission Lines: Boundary Conditions Meaning
- swty todd
- · Replies 1 ·
Calculating Combined Resistance in Parallel Circuits
- hl_world
- · Replies 7 ·
How Many Watts Are Needed to Lift a 200-Pound Mass with an Electromagnet?
- andyc
- · Replies 1 ·
The production of LEDs using PLD
- RayRoc
- · Replies 1 ·
How to Convert NMEA Data to Google Earth Mapping?
- JamesH
- · Replies 3 ·
Are there steps to find the Fourier series for transformed graphs?
- rforrevenge
- · Replies 7 ·
Dividing energy from power source
- hl_world
- · Replies 5 ·