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Author Topic: Smappee , has anyone got one or seen them in action?  (Read 4907 times)
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Posts: 20

Absolutely no idea what I'm doing

« on: September 16, 2018, 08:23:56 PM »

So whilst sat on my hols looking at more solar and getting into trouble for it,   I came across the sense home monitor.
Although it's a US piece of kit I liked the look of it to really calculate usage by individual items to size accurately.
Finding a uk version took an little time.
Thoughts and feedback,  I ran a search and nothing came up.

Many thanks,

Sr. Member
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Posts: 394

« Reply #1 on: September 17, 2018, 03:21:21 AM »

Good post! Price hit me first as a bit high. You can buy a inline plug that will monitor and record consumption on a single unit for about 15. Amazon sell smart app controlled switches for 12 or so. Will look more at the product though and see what else it offers, cheers.
« Last Edit: September 17, 2018, 03:30:16 AM by pantsmachine » Logged

5.12kw PV system with Solar edge
7.2kwh Pylon tech battery storage
18kwh Heater Storage
Solar I boost charging 12kwh 210 ltr OSO system tank
Deep insulation, air leak controlled home
Zoned & Balanced CH wet system
Hive 2
Low energy bulbs
Wood fired cedar hot tub
Masanobu Fukuoka garden
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« Reply #2 on: September 17, 2018, 07:20:10 AM »

Our hosts sell similar products too.

2.1kWp solar PV  PHEV West London
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Posts: 20

Absolutely no idea what I'm doing

« Reply #3 on: September 17, 2018, 09:14:59 AM »

Do navitron do something like smappee?I like the idea because it learns all of your appliances by signature and then you edit the name to see what it's using.
The single ones are OK but you need to move it around the house to individual items.

Many thanks,

Jr. Member
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Posts: 52

« Reply #4 on: January 04, 2019, 12:08:52 AM »

Can you get a device to measure the power consumption per day through a USB socket  ?
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Posts: 1850

Sunny North-East Hampshire

« Reply #5 on: January 04, 2019, 06:15:35 AM »

That smappee thing costs more than my annual electricity bill  Shocked
I think this is directed more towards the wealthier gadget-freak .

1.140kW mono south-facing at 49*
EpEver 4210A at 24v
New (Old) 8S7P LiFe battery, 105Ah @ 26.4V
EpEver STI1000-24-230 pure sine inverter
Of course it'll work. (It hasn't caught fire yet).
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« Reply #6 on: January 04, 2019, 11:17:22 AM »

From what I can see from an hour or so of research (so not a great deal!), the wifi smart plugs that advertise energy consumption features do not provide (out of the box) the ability to see consumption as a graph over time.

I found some code on github that polls the tplink kasa plug every 60 seconds, but that then assumes that you have a computer running the whole time to run the code to do the polling.  Quite the energy overhead.

However, there are two other less energy intensive options available.

If you have a compatible router, you could refresh the firmware to run dd-wrt or similar which, as a linux based release, enables you to add the kasa polling code to your router (I think!) - with the addition of a thumb drive to the router means you can use the software running on the router with negligible extra energy consumption.

The other is that you could run the software on a headless raspberry pi or similar.  Even if you don't already have one running a media server or the like, these minimalist boxes consume an order of magnitude (or two) less energy than the big box PCs.

Regarding Sense, it needs a spare slot in your MCU, drat!

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