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.
11
questions
1
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2answers
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 ...
2
votes
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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votes
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 ...
1
vote
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 ...
1
vote
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 ...
37
votes
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 ...
1
vote
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 ...
2
votes
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 ...
44
votes
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 ...
4
votes
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 ...
10
votes
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 ...
