Post ASPoZavTk67dus29gW by larsmb@mastodon.online
 (DIR) More posts by larsmb@mastodon.online
 (DIR) Post #ASNF7ePDKJDnt6xieu by noim@noc.social
       2023-02-05T15:49:25Z
       
       0 likes, 0 repeats
       
       I recently purchased 4 NOUS A1T units and I highly recommend them. They were quite affordable in a 4-pack, costing only 13€ per unit, and they run on open-source firmware #tasmota. What's even better is that they are compact and feature power monitoring! Plus, they are also available in a Zigbee version. #smarthome The only con is, you need a multimeter to calibrate them. But this is ok for me 😄
       
 (DIR) Post #ASPnevcu6etvbxKDVQ by metawops@mastodon.social
       2023-02-06T21:02:32Z
       
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       @noim I have 2 of these, the #Zigbee version. They report 230V – do I need to calibrate anything? If so, how? Here‘s a graph of the voltage. 😳🤷‍♂️  #Smarthome #Nous #Homeassistant
       
 (DIR) Post #ASPnewD3wDpBQ6F5rk by metawops@mastodon.social
       2023-02-06T21:09:55Z
       
       0 likes, 0 repeats
       
       @noim Ah, found this: https://tasmota.github.io/docs/Power-Monitoring-Calibration/ – so that‘s for #Tasmota only. 🤔 (Plus, I don‘t have a calibrated load.)
       
 (DIR) Post #ASPnewgq9VdyuSAsHQ by noim@noc.social
       2023-02-06T21:25:39Z
       
       0 likes, 0 repeats
       
       @metawops  https://www.zigbee2mqtt.io/devices/TS011F_plug_1.html#voltage-numeric You should be able to calibrate even with the zigbee variant. But, I am not sure if this is needed for you. The voltage curve looks realistic at least :) but may be still off. Do you have a multi meter? My initial voltage was 300V which is completely wrong, so I defined needed to calibrate.
       
 (DIR) Post #ASPoRCDXj00Ey1Tj0a by northalpha@infosec.exchange
       2023-02-06T21:34:29Z
       
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       @noim @metawops also got those NOUS A1Z and got some similar readings, also note under load the voltage drops accordingly
       
 (DIR) Post #ASPoZavTk67dus29gW by larsmb@mastodon.online
       2023-02-06T21:34:34Z
       
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       @metawops @noim That seems realistic and rather stable. Here's a graph of one of the three main phases in my apartment - some variation is very normal.
       
 (DIR) Post #ASPoZbXPT4SnoVmRo8 by noim@noc.social
       2023-02-06T21:36:02Z
       
       0 likes, 0 repeats
       
       @larsmb @metawops  Yes, this is true.