All Questions
9
questions
-1
votes
1
answer
346
views
How to connect LEDs to D+ and D- of USB 3.0 cable [closed]
I need to connect LEDs to USB 3.0 cable that connect to PC and to embedded device.
I want visual control to see data transfer by this USB cable and want to connect LEDs for this purpose, like Ethernet ...
- 15
0
votes
1
answer
77
views
Average lifespan of typical project box LEDs widely available for purchase [closed]
I tried searching for this but I just get light fixture LED information. I'm trying to determine the expected lifespan of a typical small LED like you'll find in electronics kits or hobbyist stores. I ...
- 301
0
votes
3
answers
571
views
Configuring SPI circuit design for use in 485 transceiver for long range data transmission (50 meters plus)
So quickly getting out of things I have previously done in trying to send SPI controller signals across long ranges using either 18 AWG cable or based on all the recommendations we have been reading, ...
- 19
1
vote
2
answers
774
views
What is the best LED driver to use for this setup - Help with WS2815 data amp over long lines
Currently have 5 m WS2815 strips installed running from 18 AWG wiring connected to 12 VDC Meanwell power supplies and our controllers (SP108,SP102,SP608), power injection on all lines. When we tested ...
- 19
0
votes
0
answers
101
views
Amplifying long run wiring to addressable WS2815 LED 12V to pool line noise issues [duplicate]
I amurrently working on running WS2825 IP68 lighting (finishing up) in our pool along with LED lights. After moving the controllers to a centralized location, we have been having issues (lights ...
- 19
1
vote
2
answers
465
views
Current measurement in 12V LED circuit
simulate this circuit – Schematic created using CircuitLab
Just purchased an Omega data logger, i'm very concerned with the readings I am getting out of it. As a start I just want to make sure ...
- 425
1
vote
2
answers
9k
views
LEDs and External Quantum Efficiency (EQE), how to find Light Output Power with test results? How to find power?
I'll try explain everything as clearly as I can as it's slightly complicated. I really need help as I'm quite new to this kind of experiment and work so any help would be extremely appreciated.
I did ...
- 23
0
votes
3
answers
671
views
Stereo to High Speed LED for Data Transfer
I am currently doing a project on optical data transfer using LED. The first hurdle I need to overcome is the LED driver circuit. I have little to no background in circuits. I do know a fair amount of ...
- 1
2
votes
5
answers
897
views
What solutions, if any, are there for visible light transmission (VLC)?
I want to know what ways are there to transmit data using LED's that are available to us today.
I currently can find only one reasonable resource for this topic, which is this:
http://www.siemens.com/...
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