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Nice system! If I was working on developing devices it would be very helpful. But I need something I can hang in a cabinet in the field and let it run. I have a solar array (840 kW) connected to a battery (1 MW / 2 MWh), both controlled by a Site Controller. There have been some anomalous events over the past few months, and I suspect communications issues. With 14 inverters, three diesel generators and one big battery, it's hard to isolate which unit is having problems, especially when I can't get confirmation that the controller even sent the proper commands! Seriously, who would build a system controller that has no logging capability? I expected better of Tesla!
Will Rogers never met me.
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You *could* in theory make one of these. I'm not sure what it costs, but if it's expensive and you're not sure you could produce one yourself with some work.
I made something similar, but it was simply for a basic serial UART, not RS-485.
i2cu Take Two: Serial and I2C Probe in a Handy Package[^]
You could adapt code like that using code like this:
GitHub - zivillian/esp32-modbus-gateway: ESP32 Modbus RTU/TCP Gateway[^]
Just a thought, even though it may not be realistic for you. I'd do it, but then I'm a bit crazy.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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I was thinking something like passing it through a pi kind of akin to a proxy. Just echo the traffic out the other side.
A simple device to do only that might have market because splitting it means you could have the traffic sent to logging and the device, or maybe to a 'real device' and also a device under development/testing.
They build something like this in a pizza box rack mount style, though I don't recall what it was called. PC feeds all serial to it and it then feeds the serial wherever you configure/connect it.
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I would use a realtime MCU rather than a Pi for that. I just don't trust what is essentially a tiny PC to have the regular latency to keep a clean, uninterrupted signal. It probably will, I'm just paranoid. Part of it too is I think an RPI would be overkill when a cheapo ESP32 could easily handle it.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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Yeah, it'd definitely fail from what I get about all this. But temp diagnostic tool vs production component maybe?
Sounds like it'd be just plug it in and capture the broadcast packets and throw them on disk. At least that way failure just means losing the logging you had it doing.
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There is no need to pass data through it at all. All that does is unnecessarily add another potential point of failure. This is RS-485 which is inherently multi-drop so it would be much better to have a listen-only device.
"They have a consciousness, they have a life, they have a soul! Damn you! Let the rabbits wear glasses! Save our brothers! Can I get an amen?"
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Ahh... broadcast to all on subnet... I hear.
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If I had the time, I'd do it, too! There's never enough hours in the day... 
Will Rogers never met me.
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Wordle 1,102 4/6
π©β¬π¨β¬β¬
π©π©β¬β¬β¬
π©π©π¨β¬β¬
π©π©π©π©π©
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Wordle 1,102 4/6*
π©β¬π¨β¬β¬
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β¬π¨π¨β¬β¬
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American spelling caught me out twice
In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
modified 12hrs ago.
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Wordle 1,102 3/6*
π¨π¨π¨π¨β¬
π¨π¨β¬π¨π¨
π©π©π©π©π©
(Americans are allergic to vowels)
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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I was just editing my post to say something similar.
In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
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Quote: Americans are allergic to vowels
Agreed! And the British don't speak English very well! 
Ok, I have had my coffee, so you can all come out now!
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Wordle 1,102 3/6*
β¬β¬β¬π¨β¬
π©β¬π¨π¨β¬
π©π©π©π©π©
Happiness will never come to those who fail to appreciate what they already have. -Anon
And those who were seen dancing were thought to be insane by those who could not hear the music. -Frederick Nietzsche
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Wordle 1,102 5/6
π¨π©β¬β¬β¬
β¬π©π©β¬β¬
β¬π©π©π©β¬
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Within you lies the power for good - Use it!
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Wordle 1,102 3/6
π¨π©β¬β¬π¨
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π©π©π©π©π©
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Wordle 1,102 3/6
π¨β¬π¨β¬β¬
β¬π¨π¨π¨π¨
π©π©π©π©π©
Ok, I have had my coffee, so you can all come out now!
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I've been getting junk E-mails from @message.fedex.com, which a low-level FedEx rep says is not legit (I'm waiting on someone higher up there to confirm this), and I don't want the legitimate messages from @fedex.com to be blocked if I block the messages from @message.fedex.com.
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If an email falls in the forest when nobody is around, does it really make a sound?
Jeremy Falcon
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It depends on the mail client you're using. In MS Outlook, I can block the sender (which should be host-specific) or the sender's domain (which should block all hosts and users from the same domain). I say "should" because Outlook has always been a bit flaky, and the latest version is not very predictable. I've never used Yahoo Mail, so I can't advise you, but you might try searching for some FAQs on their site.
Will Rogers never met me.
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I don't know about Yahoo Mail, but every other e-mail client that I have used allows one to block both the user (abc@xyz.com) and the domain (@xyz.com). They also require separate rules for subdomains (@xyz.com vs @tuv.xyz.com).
I doubt that blocking @message.fedex.com will block @fedex.com.
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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As others have said, you should be able to block individuals. We block access to yahoo mail. Source of Ransomware some years ago when employee checked her email and clicked on wrong thing. Ruined my weekend, but had air gapped backups. Good, but undesired, disaster plan test. Another way to test: port forwarding.
>64
Itβs weird being the same age as old people. Live every day like it is your last; one day, it will be.
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So, I read this article: Easily navigate code delegates while debugging - Visual Studio Blog[^]
and I am so glad, I just don't give a flying f*** anymore. I started doing serious Windows development in 2003. I inherited a project that used ActiveX controls. Just local, no downloads - all embedded system work. I have to plow through the changing terminology of COM, DCOM, COM++, ActiveX, etc. After 3 years, I declared it utter bull****. MS renaming things just to rename things for marketing purposes.
So, I read this devblog article, and though delegates are somewhat different than function pointers, its the same old bs from Microsoft renaming stuff. Worse, I suspect it made it into the C++ standard. I don't know about that, nor do I care.
Starting next week, I'm moving to linux.
Charlie Gilley
βThey who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.β BF, 1759
Has never been more appropriate.
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