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Circuit Design

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30W Audio Amp Pre-Amp & Power Supply Circuit for Stereo Setup + Simple LED Battery Tester

Anonymous   20 Sep 2013   (8)
EEWeb
03 Oct 2013 23:41

MC34063 Regulator (MP3 Player Charger Circuit)-Output Current

Anonymous   20 Sep 2013   (1)
EEWeb
21 Sep 2013 19:26

How to Design 4-bit Multi-Mode Counter (Up, Down, Fibonacci) Using SN74LS191N?

Anonymous   20 Sep 2013   (2)
EEWeb
21 Sep 2013 06:02
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Effect of Removing Bias Voltage on Circuit Output, Carrier, and Sidebands Amplitudes

Anonymous   19 Sep 2013   (2)
EEWeb
19 Sep 2013 11:05

How to Design a Current Sensing Circuit: Schematic Examples and Key Steps

Anonymous   18 Sep 2013   (6)
EEWeb
22 Sep 2013 11:30

How to Increase Range of 27.145 MHz RC Car Receiver and Transmitter?

Anonymous   18 Sep 2013   (3)
EEWeb
18 Sep 2013 21:10

Can I replace Potentiometer for 16×2 LCD with PWM generator?

Anonymous   18 Sep 2013   (1)
EEWeb
18 Sep 2013 10:12

Burnt electrical “item” in power board – need help knowing what is it called

Anonymous   18 Sep 2013   (7)
EEWeb
06 Oct 2013 08:07

Where can I find the official EEWeb Forum and Comments Guidelines link?

Anonymous   18 Sep 2013   (1)
EEWeb
25 May 2018 16:43
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Simple 12V Car Alarm Circuit With Door & Shock Sensors, Siren, Key Fob, Aux Outputs?

Anonymous   18 Sep 2013   (1)
EEWeb
18 Sep 2013 06:52

Future Innovations in Power Converters: Trends, Technologies, and Emerging Designs

Anonymous   17 Sep 2013   (2)
EEWeb
18 Sep 2013 11:05

Microcontroller and Sensor Selection for 1/2 HP Water Pump Automation System

Anonymous   17 Sep 2013   (5)
EEWeb
09 Oct 2013 19:55

Best Microcontroller and Sensors for Automating 1/2 HP Water Pump with Water Level Detection

Anonymous   16 Sep 2013   (0)
EEWeb
16 Sep 2013 21:44

How Does a FET Transistor Work? Basic Operation and Principles Explained

Anonymous   16 Sep 2013   (4)
EEWeb
05 Oct 2013 22:41

Relay Driving Project Efficiency Compared to Standard Relay Operation?

Anonymous   16 Sep 2013   (2)
EEWeb
16 Sep 2013 12:19

Average measurement time for 6-bit digital ramp ADC with 9MHz clock in ns?

Anonymous   16 Sep 2013   (2)
EEWeb
16 Sep 2013 03:05

Effect of High Frequency on IGBT Based Chopper Circuit in Inductors

Anonymous   15 Sep 2013   (14)
EEWeb
19 Sep 2013 06:11

Toshiba XS9631 datasheet availability and possible alternative sources

Anonymous   15 Sep 2013   (2)
EEWeb
17 Sep 2013 20:32

How to Block AC but Allow DC: Can an Inductor Be Used or Is Another Circuit Needed?

Anonymous   15 Sep 2013   (2)
EEWeb
16 Sep 2013 10:43

Why Does HP Envy m6 50Wh Battery Last 6h if Laptop Is Rated at 50W Power?

Anonymous   15 Sep 2013   (1)
EEWeb
15 Sep 2013 17:42

Mantrabox and any suggestions regarding changing its recorded tunes

Anonymous   15 Sep 2013   (0)
EEWeb
15 Sep 2013 10:37

How to check if modified PSU is floating or earth-grounded before oscilloscope use?

Anonymous   15 Sep 2013   (5)
EEWeb
15 Sep 2013 17:45

Choosing Between Switched or Linear Regulated Power Supply for DC Motor Replacement

Anonymous   15 Sep 2013   (5)
EEWeb
16 Sep 2013 09:17

Zener Diode Datasheet with Reverse Breakdown Voltage, Max Current, and Power Ratings

Anonymous   14 Sep 2013   (4)
EEWeb
14 Dec 2013 08:09

Entry-Level Electronics Engineer Jobs in California Focused on Testing and Applications

Anonymous   14 Sep 2013   (3)
EEWeb
14 Sep 2013 23:49

What is dc motors output when copper loss and iron loss are the same?

Anonymous   14 Sep 2013   (2)
EEWeb
08 Sep 2015 01:24

Feedback on My Custom IC/Mechanical Robot Device Built from Scratch (YouTube Video)

Anonymous   13 Sep 2013   (2)
EEWeb
14 Sep 2013 10:05

Everyday Feedback Control Systems: Sensing, Actuation, Controller Types & Block Diagrams

Anonymous   13 Sep 2013   (0)
EEWeb
13 Sep 2013 12:20

Circuit diagram for 100-150A 40-50V constant current arc discharge power supply

Anonymous   13 Sep 2013   (1)
EEWeb
13 Sep 2013 09:25

How can I learn about the inner workings of a finger print scanner?

Anonymous   12 Sep 2013   (0)
EEWeb
12 Sep 2013 21:40

What do you think about a new do it yourself e-paper display kit?

Anonymous   12 Sep 2013   (10)
EEWeb
10 Oct 2013 02:22

Software or Online Tools for Calculating System Return Loss in Waveguide Systems?

Anonymous   11 Sep 2013   (2)
EEWeb
12 Sep 2013 16:34

DIY Electronic Butterfly in a Jar: Components, Microcontroller, Piezo Sensor Choices

Anonymous   11 Sep 2013   (6)
EEWeb
13 Sep 2013 14:02

Radio Shack MPA-101 transistors overheating and burning out—what could be wrong?

Anonymous   11 Sep 2013   (0)
EEWeb
11 Sep 2013 06:38

Ready-Made Solutions to Prevent Contactor Drop Out During 200-700ms Voltage Dips

Anonymous   11 Sep 2013   (1)
EEWeb
11 Sep 2013 07:36

Wattage Needed for 3HP Well, 7 Ton AC, 2 Freezers, Fridge, Washer & Dryer Generator

Anonymous   11 Sep 2013   (1)
EEWeb
11 Sep 2013 07:48

Can I Parallel Two L298N ICs to Drive 4x 9A 3.75V Peltier Modules in Series?

Anonymous   11 Sep 2013   (4)
EEWeb
12 Sep 2013 08:31

Porting code from PIC16F877 to PIC18F4520: Key instruction and register changes?

Anonymous   10 Sep 2013   (0)
EEWeb
10 Sep 2013 11:54

Function of Magnet, Armature Coil, and Copper Lining in Electromagnet Vibration Shaker

Anonymous   10 Sep 2013   (1)
EEWeb
12 Sep 2013 07:20

LTSpice IV TL431 12V 3A Voltage Regulator Simulation Runs Very Slowly—Why?

Anonymous   10 Sep 2013   (2)
EEWeb
12 Sep 2013 02:28

What’s the Difference Between Microcontroller Board and PCB

Anonymous   10 Sep 2013   (4)
EEWeb
28 Oct 2015 04:20

How to Control AC Ballast Fluorescent Lamps With Arduino or Microcontroller Safely?

Anonymous   09 Sep 2013   (1)
EEWeb
09 Sep 2013 16:44

How to Make Red LED Brake Light Turn Off When Renault Megane Blinker (Yellow LED) Is On

Anonymous   09 Sep 2013   (5)
EEWeb
12 Sep 2013 00:33

Best Temperature Sensor for 25μL Test Tubes Without Direct Liquid Contact Under $20

Anonymous   08 Sep 2013   (5)
EEWeb
26 Oct 2013 09:20

4-LED Battery Level Indicator Circuit for Power Bank with Push Button and Blinking LED

Anonymous   08 Sep 2013   (3)
EEWeb
18 Sep 2013 02:57

50 Ohm Stripline PCB Trace Width for 500W RF Power at UHF Band Calculation

Anonymous   08 Sep 2013   (1)
EEWeb
08 Sep 2013 08:53

Using 110V Incandescent Light Dimmer Switch to Control 120V Vacuum Motor Speed

Anonymous   07 Sep 2013   (2)
EEWeb
07 Sep 2013 19:34

ULN2803 Parallel Outputs: What Happens If Only One Input Is High Per Channel?

Anonymous   07 Sep 2013   (5)
EEWeb
08 Sep 2013 16:04

Where to Buy 1HP 90VDC 300RPM Permanent Magnet DC Motor for Wind Turbine Generator?

Anonymous   07 Sep 2013   (2)
EEWeb
07 Sep 2013 15:04

ESE Lightning Arrester vs Franklin Rod: Design, Working Principle, Protection Area Calculation

Anonymous   07 Sep 2013   (0)
EEWeb
07 Sep 2013 04:40
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electronic circuits, electronic constructions, projects: power supply, amplifier

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