Post Created date
Detecting power export.
ki0bk wrote: John_A_Brown wrote: from a standpoint of extreme ignorance. Sorry, I was stupid to not believe you were smart enough to get my point, and sorry I did not explain well...
Thursday, 10 February 2022 - 14:41
Detecting power export.
Brian Fairchild wrote: ki0bk wrote: The transformer has a polarity that depends on the direction the power is flowing through the primary "winding", this can be used to show flow...
Wednesday, 9 February 2022 - 19:05
Detecting power export.
Thanks. Looks like you have to measure V and I, as you say. https://learn.openenergymonitor....  
Friday, 4 February 2022 - 08:25
Detecting power export.
Yes, but that's not how the solar diverters work. They work by monitoring the big cables in the meter box. No connection with the grid tied inverter. One manufacturer also...
Wednesday, 2 February 2022 - 17:58
Sigfox - trouble at t'mill
"In fact, with TTN, you can provide your own gateway and still use the rest of their infrastructure. " Indeed. That was what my client did.  
Wednesday, 2 February 2022 - 14:20
Detecting power export.
As I understand it, there is only a clip/clamp on sensor at the grid connection. No voltage measurement there. The control box that runs the immersion heater would have access to...
Wednesday, 2 February 2022 - 13:31
Sigfox - trouble at t'mill
"(pretty much?) all LPWAN options require "gateways" of some sort." Yes, but with NBIoT, for example, there's a chance the "gateway" already exists. With LoRaWAN, not so much....
Wednesday, 2 February 2022 - 11:04
Sigfox - trouble at t'mill
awneil wrote: TechCrunch wrote:Sigfox, the French IoT startup that had raised more than $300M, files for bankruptcy protection as it seeks a buyer   Ingrid Lunden@...
Tuesday, 1 February 2022 - 23:38
quick question about unsigned long long...
"Defined length" types are optional.   It might still be a good idea to use them. Nobody said they were mandatory.  
Wednesday, 18 August 2021 - 12:52
common programing mistakes
Simonetta wrote: The biggest common mistake in programming isn't with the programmers, it's with the C compiler writers.  They, all, to a man, absolutely refuse to create and...
Sunday, 15 August 2021 - 23:03
Home Automation, what do you recommend?
Just an addendum to my previous posts... This came up the other day. We have a mesh network to combat thick marlstone walls. I can see the data usage of all connected devices. So...
Tuesday, 6 April 2021 - 12:29
Difference between SSU and SSF parts
Sorry, the A bit is a red herring, they're both A parts, it was the SSU/SSF suffix I was concerned about.    
Thursday, 25 February 2021 - 11:34