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Thank you, Arv, I think we can get around this by just having people reboot the system once a week.

Mr. Dishup is providing very important information: The perception of a person who might possibly have been able to help. But the regulatory system and the lawyers strangle us all. If you’ve never

I vehemently disagree.? Liability is a huge concern.? Maybe not for you if you have not contributed directly.? Consider that I own Ten Tec.? I have four MYDATA pick and place machines and a 12,000

I am working on my version of the control which has in addition to the 12V controlled inspiration valve a triac AC switch to cycle a vacuum cleaner for pressureozed flow. Ashtar posted a video of his

Tom When I used it (several years ago) I added an RC pullup on one digital I/O pin. Then set an interrupt to trigger when that pin went high. The interrupt routine compared current millis() with older

Hi Sydney, I'm reluctant to get off topic, but you want to read about ECMO. Yes lavage has been tried. Many clever people have all kinds of things to save people with ARDS. Maybe have a read about

Hmmm... I've got two of those sitting in my garage, as well as first stage regulators. Maybe many other folks do, also. Probably need to live near the coastlines to find places to fill them to the

I looked into this corner case way back in another project. In that case, best to my recollection, the overflow was handled automatically by the way twos compliment arithmetic works. But, I don't

Has anybody looked at Scuba Tanks as a regulated air source? _._

The Arduino millis() millisecond timer runs uninterrupted and loops around after about 50 days. This can be used to time between events such as loop completion, or loop being delayed. This may be

The turbine blowers and fans probingly don't apply to high pressure compressed air source ventilators. They are more in line with the needs of the low pressure air source ventilators. But for those of

With a variety of designs focusing on needs of different situations, This is great that at least one design, designed with a core group experienced in medicine, is going to fill the FDA approval need.

Despite the fact that CSSALT Ventilator uses an external positive pressure source I believe that there may be a point in having alternatives for a mechanic device to drive a bag squeezer, piston and

For those of you who insist on using small electrical fans for providing pressurized air to a "surge ventilator", I suggest to look into the use of "ducted fan" hobby parts. I tested a few of them;

On Fri, Apr 10, 2020 at 10:38 AM, <sydneygold888@...> wrote: Sydney, I used surplus fans and they were screwed together and tape/sealed to the pipe reducer assembly. ?Used two different

Thanks for sharing your expert opinions . Can you advise if there is any equipment or process that can perform continuous oxygenation of blood ?to support the patient if lungs are breaking down ?

There are two brands of blower I am aware of used in CPAP and ventilators but when I asked one of them last week they have 10 - 12 month lead times and have told me they already have orders for over 1

Didn't say it didn't. I was simply providing a resource for those who might be wondering what a WDT was. Jack, W8TEE

CSSALT Codebase has Watchdog Timer (WDT) integrated and tested since March 25th with the following commit:

All,? I took apart my OS Vent and inspected the Butyl expiration valve.? At 200K cycles there is some indication that is has been used but the damage is much less than the V1 that I tested first