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BXRA-56C5300H 50W LED: Variable Current Circuit for 2.1A/4A Pulse Control

Anonymous   28 Nov 2017   (0)
EEWeb
28 Nov 2017 08:13

Digitally Controlled Variable Current Circuit for BXRA-56C5300H 50W LED (2.1A/4A)

Anonymous   28 Nov 2017   (1)
EEWeb
30 Nov 2017 01:21

LED photodiode sensitivity: Does a red LED detect red light better than other colors?

Anonymous   27 Nov 2017   (2)
EEWeb
27 Nov 2017 19:18

Homebrew PCB Cost vs JLCPCB, PCBWay, Sodium Persulphate, Ferric Chloride in 2024

Anonymous   27 Nov 2017   (15)
EEWeb
23 May 2018 06:35

How to Stitch Overlapping Photos into a Panorama Using MATLAB and Raspberry Pi?

Anonymous   26 Nov 2017   (6)
EEWeb
28 Nov 2017 23:45

Is 600VA 230/40VAC Transformer Sufficient for 240W 24VDC SCR Thyristor Bridge Output?

Anonymous   26 Nov 2017   (3)
EEWeb
27 Nov 2017 06:38
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Swinging Choke vs Series Resistor for SCR-Diode Bridge Rectifier LC Filter Design

Anonymous   26 Nov 2017   (2)
EEWeb
26 Nov 2017 19:20

Calculating Inductance of Rectangular vs Circular PCB Traces with 0.5mm/1.8mm Widths

Anonymous   26 Nov 2017   (6)
EEWeb
07 Dec 2018 02:07

How to Start Analog Circuit Design for LVDT, 4-20mA, RS-485 Sensor Interfaces?

Anonymous   26 Nov 2017   (4)
EEWeb
01 Dec 2017 18:56

Signal generators – how to transmit microwave frequencies into water

Anonymous   25 Nov 2017   (6)
EEWeb
29 Nov 2017 03:59

Switching LM317 Output ON/OFF Using NPN Transistor Between R2 and GND—Is It Safe?

Anonymous   24 Nov 2017   (10)
EEWeb
27 Nov 2017 21:07
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How to Get 2.5V 100mA Output From 5V 2A Supply: Voltage Divider vs LM317 Regulator

Anonymous   24 Nov 2017   (1)
EEWeb
24 Nov 2017 14:23

How to Calculate Max Current Capacity for 2, 3, 4 Bundled Conductors per Phase?

Anonymous   24 Nov 2017   (1)
EEWeb
28 Nov 2017 04:27

Compatible USB Programmer and Software for AT89C2051 Microcontroller

Anonymous   24 Nov 2017   (5)
EEWeb
26 Nov 2017 04:05

How to Post Pictures, Diagrams, and Schematics on EEWeb EPE Magazine Forum?

Anonymous   23 Nov 2017   (3)
EEWeb
27 Nov 2017 23:44

Analog Circuit to Switch LED Using Two Different Sound Frequencies (No Digital ICs)

Anonymous   21 Nov 2017   (2)
EEWeb
21 Nov 2017 07:10

Using Rotary Dials from Old British Telecom Phones with Arduino or Microcontrollers

Anonymous   20 Nov 2017   (7)
EEWeb
21 Nov 2017 03:43

DAIHEN ATP-30B 3kW 2450MHz Microwave Generator DB25 Pinout and Datasheet Request

Anonymous   20 Nov 2017   (4)
EEWeb
20 Nov 2017 16:39

Favorite Non-Obvious Tools: Heat-Shrink Sleeving, Tweezers, Scalpel, Helping Hands

Anonymous   18 Nov 2017   (11)
EEWeb
01 Dec 2017 21:39

Fourier Series Expansion of PWM Signal with Time-Varying Duty Cycle for LCL Filters

Anonymous   18 Nov 2017   (4)
EEWeb
21 Nov 2017 06:49

Using step up/step down transformers on micro hydro generator

Anonymous   17 Nov 2017   (7)
EEWeb
20 Nov 2017 03:46

Looking for an Electrical Design Engineer in Chicagoland area

Anonymous   16 Nov 2017   (4)
EEWeb
17 Nov 2017 20:50

PCI1710 Advantech Data Acquisition Card Sampling Rate Stuck at 1kHz Instead of 720Hz

Anonymous   14 Nov 2017   (5)
EEWeb
18 Nov 2017 12:51

Capacitor Bank Sizing for 1500kVA Transformer, 1339.5kW Load, 0.92 PF in UAE SLD

Anonymous   13 Nov 2017   (1)
EEWeb
14 Nov 2017 05:37

Connecting external self-made device to micro-usb port of the smartphone

Anonymous   13 Nov 2017   (9)
EEWeb
19 Nov 2017 04:49

Matlab program that reads a text input file representing the circuit and determines the node voltag

Anonymous   13 Nov 2017   (2)
EEWeb
14 Nov 2017 03:03

Is there a way to post a small picture on this forum like the old forum?

Anonymous   10 Nov 2017   (7)
EEWeb
22 Nov 2017 10:05

Do the metal contacts of an electrical switch ever actually make contact with each other ?

Anonymous   09 Nov 2017   (19)
EEWeb
12 Jan 2021 17:36

How to Calculate Exact Pull-Up Resistor Value for I2C LCD Based on Datasheet Specs

Anonymous   09 Nov 2017   (5)
EEWeb
10 Nov 2017 16:26

Calculating Resistance Between Points A and B in Circuit with -5V Across Resistor

Anonymous   08 Nov 2017   (3)
EEWeb
09 Nov 2017 13:30

Building an active LIPO balancer – looking for the most modern control chips to base it on.

Anonymous   08 Nov 2017   (1)
EEWeb
14 Nov 2017 05:25

ESP8266 Standalone Use: Minimum Hardware and OS Requirements for WiFi Communication

Anonymous   07 Nov 2017   (2)
EEWeb
09 Nov 2017 20:15

Raspberry Pi Hackspace Magazine Launch: British Equivalent of Make: at WHSmith?

Anonymous   07 Nov 2017   (2)
EEWeb
29 Nov 2017 19:18

What techniques can you use to kill voltage spikes on car power outlets.

Anonymous   07 Nov 2017   (6)
EEWeb
08 Nov 2017 02:22

How to identify a burnt power resistor with unreadable color bands?

Anonymous   05 Nov 2017   (9)
EEWeb
07 Nov 2017 16:12

Can a 1500W Pure Sine Wave Inverter Work Safely With 12V 120Ah Lithium Ion Battery?

Anonymous   04 Nov 2017   (10)
EEWeb
10 Nov 2017 22:35

How to Install Linux or Windows OS on Ema-Tech SBC3730 Evaluation Board?

Anonymous   04 Nov 2017   (4)
EEWeb
08 Nov 2017 01:59

RJ11 to RJ10 Adapter for Weather Station Wind Sensor Replacement Compatibility

Anonymous   03 Nov 2017   (5)
EEWeb
06 Nov 2017 18:51

How to teach myself EE for application of electric universe theory/physics

Anonymous   03 Nov 2017   (3)
EEWeb
07 Nov 2017 18:59

Somebody told me a ridiculous thing they “did” to achieve “free crypto mining powe

Anonymous   03 Nov 2017   (6)
EEWeb
29 Jun 2020 13:05

Upgrading Fusible Links to JCase Slow Blow Fuses in Older Vehicle—Wire Size & Amp Rating

Anonymous   02 Nov 2017   (1)
EEWeb
02 Nov 2017 13:18

Anyone from EPE Chatzone Here? Looking to Connect with Fellow Members

Anonymous   01 Nov 2017   (6)
EEWeb
07 Nov 2017 03:51

Mount 360 degree rotator with camera using 2 pins (Power line and Gnd)

Anonymous   01 Nov 2017   (4)
EEWeb
03 Nov 2017 20:31

My car’s speed – measuring – recording…

Anonymous   31 Oct 2017   (5)
EEWeb
01 Nov 2017 03:33

Are Electronics Hobbyists Declining or Just Moving from Forums to Online Resources?

Anonymous   31 Oct 2017   (5)
EEWeb
17 Nov 2017 23:11

Listening to Radio France in London on DAB/FM Radio—Is It Still Possible?

Anonymous   30 Oct 2017   (2)
EEWeb
30 Oct 2017 23:37

JLCPCB vs ALLPCB vs HQPCB vs PCBWay: Comparing Chinese PCB Prototyping Services

Anonymous   30 Oct 2017   (13)
EEWeb
30 Jan 2019 17:05

Is MCP73831 Suitable for Charging a 10.8V Li-ion Battery Pack?

Anonymous   30 Oct 2017   (6)
EEWeb
03 Nov 2017 02:51

Best Places to Find Surplus Electronics, Old Circuit Boards & Vintage Parts in SE London

Anonymous   28 Oct 2017   (12)
EEWeb
14 Dec 2017 05:38

Using 5V USB Power Instead of 3.7V Battery on Chinese Allwinner Tablet Safe?

Anonymous   28 Oct 2017   (5)
EEWeb
03 Nov 2017 02:35
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electronic circuits, electronic constructions, projects: power supply, amplifier

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