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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73 views

What makes signal lines hot swappable?

In MAX14780E datasheet, it's explicitly featured as "hot swappable", however in AM26C31 datasheet this isn't mentioned. Moreover, I suspect that I burnt one of the AM26C31 ICs while hot ...
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0answers
64 views

Why is my Pi Pico resetting from HDMI hotplug (transients question)

Why exactly is my Raspberry Pi Pico (MCU) resetting during HDMI hotplugs with my simple HDMI signal sniffing circuit? Although the solution to this is obvious, I'm curious as to exactly what's ...
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0answers
53 views

Design advice on hot-pluggable I2C bus system and connector choice

I would like to ask for some design advice on a bus system for a game I am working on right now. I have 12 module slots sized 130 x 130 x 60 mm in a large box, with half of the module slots on the ...
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1answer
130 views

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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1answer
59 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 ...
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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
272 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 ...
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2answers
573 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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4answers
10k 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 ...
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2answers
10k 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 ...
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2answers
16k 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 ...