Questions tagged [vacuum]
The vacuum tag has no usage guidance.
26
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Can I use the NRF24L01 in a vacuum?
Can I use the NRF24L01 module in a vacuum chamber?
I want to put sensors in the chamber, connect them to an Arduino with an NRF24L01 module, and transmit data. Will the module work in metal and glass ...
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Balloon inflator rocker or micro switch stops working
I designed a balloon inflator that uses a 120v, 6.6A, 800w motor with a power load of 700 and unload of 772 and it uses two types of switches one is a micro switch (10A, 125v)used on the nozzles for ...
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Going beyond temperature rating for surface mounted resistor? Will it damage it?
I am putting surface mounted resistors inside a vacuum chamber and then baking the vacuum chamber at 200°C for 2 weeks, no voltage will be applied to the resistors during this time. Will this damage ...
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Can someone help me identify this chip on a robot vacuum?
It’s on a Rowenta Xplorer series 50, seems like it controls one of the wheel motors and it fried
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Gast 3/4 HP Rotary Vane Pump Diagram Assistance
I was hoping to get some input on how to interpret this wiring diagram for this 3/4 HP dual voltage vacuum/compressor pump.
I'm new to this, and all of the wiring diagram tutorials I see appear ...
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Reverse engineering my robot vacuum
I am reverse engineering my Dirt Devil M612 Spider 2.0 vacuum cleaner as a hobby project, such that later on, I can use a micro-controller to run it myself.
I was looking into how the motors were ...
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Igniting and maintaining plasma in low pressure chamber
I'm trying to create and maintain plasma inside a vacuum chamber (up to 50 Pa), I have a home-made feedthrough done with an HV BNC sealed with Viton gaskets on a KF50 flange (makes a ≈25 mm gap).
I ...
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High Voltage Fusion Reactor Design - Electrical safety/risk of arc flash?
I came across the following design of a nuclear fusion reactor (electrostatic configuration):
It works as follows:
A vacuum is created in the spherical stainless steel chamber.
A small amount of ...
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4
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187
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How much does it take to discharge a capacitor in the vacuum? [closed]
We have charged a capacitor with a specified voltage. Between the capacitor's plate, we have vacuum. So how does this capacitor can be discharged if we place this capacitor in the vacuum? As you can ...
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3 hp vacuum cleaner, but 1200 W rating [closed]
How can a vacuum cleaner say it's 3 hp, yet only be rated at 1200 W since 1 hp is ~750 W?
The product description says it has a "3 horsepower motor" and that 3 hp is the peak.
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Why is a pentode tube more power efficient than a triode tube?
As title.
I read some article and it says something like this:
Tetrode was invented to reduce grid-plate capacitance.
Pentode was invented to reduce secondary emission.
I also heard that a pentode ...
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How to make an anti-static vacuum cleaner?
I heard that vacuum cleaners are dangerous to use near electronic components because they build up static, and apparently, even modern components are so extremely vulnerable to static that merely ...
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In a vacuum triode (positive terminal to anode, negative terminal to cathode), how do the electrons flow from the control grid to the anode?
In a vacuum triode (positive terminal to anode, negative terminal to cathode,) once we apply the positive charge to the control grid it will start to attract free electrons, which are released from ...
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4
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How to regulate temperature of an IC/PCB -in a vacuum
I have to regulate the temp of an IC. (70deg. C)
The part will be in a vacuum chamber.
Electrical connections can pass in-out of the vacuum chamber through a port (plenty of connections available.)
I ...
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Will a vacuum tank shield against microwaves?
I am working on an experiment that involves 50-250W of microwave radiation. The antenna will be inside a small vacuum chamber (~2ft Dia x 3ft long) with ~1.5" steel walls. There are a handful ...
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Lighting up old vacuum tubes and making them turn on/off
I know there were older posts about lighting up old vacuum tubes but I would also like to turn them on and off. I am a complete newbie with no real electronic experience here so please bear with me.
...
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Driving car electrical vacuum pump
I am trying to drive an electrical vacuum pump from a car directly from 12 VDC.
Earlier, I succeeded with a different pump just by connecting them to DC power, the other pump (different brand) used ...
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Does this vacuum motor use DC or AC power?
If this is not the right SE for this, which would be a better one?
This is a listing on Aliexpress. I gave the motor DC power at 12, 24, and 32vdc and did not limit the amps. The motor gave one ...
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Max startup current for Vacuum cleaner motor
We used the vacuum cleaner motor 2200W 220v in one dental device (vacuum former) as you can see here:
So now one of our costumers said when they used this device the power cable is warmed and when ...
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Power transformer question in vacuum tube circuit
I am having trouble wrapping my brain around this power transformer circuit. I must be missing something very fundamental, so I apologize in advance for that.
Can someone explain to me why the center ...
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LED light bulbs in low atmospheric pressure
I have these (https://www.amazon.co.uk/gp/product/B01DBOKZVK/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1) LED lightbulbs. Can I use them in a pressure of ~30kPa (21" Hg vacuum)?
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How to power long (30 ft) nichrome wire from 120v AC wall socket
I am working on making a vacuum forming machine, and I need to power a significant length of nichrome wire off of a 120v AC wall socket. I have very little experience in electronics, but I have talked ...
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12V potentiometer
I am trying to control the power of a vacuum pump using a 10k potentiometer with 12v as its input source. I've tried wiring it (with the know facing you)with the first lead as ground, second one being ...
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Does a pickup microphone work in space (vacuum)?
Of course in space there is no sound transmitted via air, so there is no air-borne sound, but there is structure borne sound. This sound can be recorded with a pickup microphone, but do pickup ...
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UHF Tesla coil powered by low voltage?
I want to know if it is possible to use a 2.4 GHz magnetron as a oscillator for a Tesla coil circuit. The idea is to use a oscillating relay-driven step up transformer (12 V to 10 kV) and then charge ...
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Reliability of electronic components in space [closed]
The Tesla car being recently shot into space made me wonder about the reliability of common electronic components in hard vacuum. I'm asking about the kind of components you would find in Musks's car-...
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