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2answers
56 views
How to reduce an audio signal to proper input level?
I'm working with an audio ADC that supports a max audio input of 500mVRMS before it will start clipping. This is sufficient for lots of equipment that does a 1VPP/.35mVRMS line level, but I'm finding ...
2
votes
1answer
316 views
How to clean up high audio noise amplified through a 2x2 electronic switch?
I have two computers connected through this device:
http://www.audioholics.com/news/press-releases/impact-acoustics-audio-crossplay
to two sets of commercial audio speakers, designed for connection ...
4
votes
1answer
599 views
Designing a cable for bidirectional communication between 2 iphones via TRRS (headphone jack)
I'm trying to design a cable that allows bidirectional communication between 2 iPhones, connecting into their TRRS jacks.
I've made the cable but it is temperamental at best -- can anyone help me ...
0
votes
1answer
294 views
effect of wheel diameter on line following robot [closed]
i am making a line following robot. i have the option of selecting 11cm and 4cm wheels with 1000RPM and 3000RPM respectively. I want to know the advantages and disadvantages of the options. Please ...
1
vote
2answers
163 views
Video entry sender has only one signal line for Microphone + Speaker
I am planning on connecting an off-the-shelf door camera (audio/video sender) to my project.
I've posted an extract from their manual here
The video output is composite which I can support, but ...
