Questions tagged [hot-plug]

The act of connecting a communication interface between two devices while one or both are powered up. The design of interfaces to tolerate this.

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What is the best way of implementing ethernet over a custom pogo pin connector?

I'm designing a custom hot swap connector with pogo pin contacts, similar to that of an electronic camera lens. I am wondering if there are any special considerations I should be taking if I want to ...
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2answers
438 views

Noise resilient, hot-pluggable communication bus over long cables?

I'm working on a setup, where we need communication between a master device and several slave microcontrollers distributed out in different boxes connected by "long" cat5e cables (3-10 meters) The ...
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2answers
13k views

Disabling DisplayPort hot plug detect

I have a PC with a DisplayPort monitor. When the monitor sleeps or is powered off, the OS loses track of the current display resolution. My research indicates this is probably due to the Hot Plug ...
1
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1answer
54 views

Wall supply Plug-in “noise”

We have had some issues with resonance overshoot from our 10W wall supply to a products LDO. The theory is that this overshoot will destroy the LDO once in a while rendering the product useless. While ...
37
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8answers
3k views

Add a passive hardware token using a 3.5mm jack

I have a box that I made for my niece, which allows her to exchange voice messages with me. It is powered by a Raspberry Pi and features two buttons, a LED, a microphone and a speaker. Now, for ...
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3answers
196 views

circuit for hot-pluggable device

I have a scenario, where device A provides 24V, device B converts 24V to 3.3V and feeds it back to ...
44
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4answers
9k views

Why does hot plugging blow stuff up, and how to prevent it?

I made the very stupid mistake of hot plugging stuff many times before. My problem is that I rushed and it's just so easy for me to forget I have the Arduino on or some other expensive IC or hardware ...
4
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2answers
9k views

How to trigger hot plug detection in HDMI interface?

I'd like to trigger the hot plug detection circuit for one of my graphics card's outputs so that Windows would "think" that it has secondary monitor attached. I know that there is a pin in the HDMI ...