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Grid companies in Sweden has increased the number of decimals on energy (kWh), here is how to update your device.
It took some efforts both in hardware and firmware to make an ESP32 run from HAN-port power only - and here are the consequences
| Shipping to Norway: | Order date or next working day |
| Shipping outside Norway: | At minimum once per week |
  | NEW 29th August -24: Danish and Swedish customers can now order directly from this webshop. We are enrolled in the EU IOSS system, and authorized to charge VAT. The EU IOSS system provides simplified customs and VAT process for B2C (Business to Customer) sales with order values up to 150 EUR ex VAT: - For consumers, VAT will be charged when ordering, no customs fee will be charged on import. - For businesses, VAT will not be charged when ordering. PostNord will charge VAT + customs fee on import. | |
 | Suomalaiset asiakkaat voivat tilata Pow-P1:n tai Pow-K:n jakelijamme Nurkan takaa -verkkokaupasta (klikkaa tästä siirtyäksesi) | |
 | Ålänningar har två alternativ: - Förbeställa Pow-K från Nurkan takaa i Finland (klicka här), vilket ger lägsta fraktkostnad (skickas från Finland). - Beställa från Lectrons.com | |
| Customers from other countries: We invite you to order from our store on Lectronz.com Customs fees / VAT: Customers in EU countries will be handled as described above for Denmark and Sweden. | Click the button:  |
Latest posts
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Kamstrup Omnipower in Sweden: 10x kWh errorRead more -
Updating device over USB cable, simplified methodRead moreSome users experience difficulties using one of the Over-the-air (OTA) methods for firmware upgrade. We propose a...
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Kamstrup Omnipower HAN port not workingRead moreHow to cure the Kamstrup Omnipower meter hick-up (meter stops pushing data)
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Kamstrup Omnipower meters in Sweden: Which configuration should you choose?Read moreSwedish grid companies are moving from "HAN-NVE" configuration to "P1" configuration. Some grid companies allow their...
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L2 current not available!?Read moreSome users have noticed that the device is no longer reporting current on phase L2.
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Swedish customers and PostNord as "Tullombud"Read moreSwedish customers receiving our shipments via Postnord are mislead to think they have to pay customs fee and VAT....
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One-click upgrade is not workingRead moreOne-click firmware upgrade works just fine for most users - but what to do if it fails?
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I have a Kaifa/Nuri meter, and my new Pow-U does not work!?Read moreOK... so we made a (minor) bummer on a design update of Pow-U. The fix is maybe not elegant, but it is easy!
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"I ordered a device on Lectronz, and paid VAT. But now I received a customs + VAT claim!?"Read moreSome of our EU customers that buy on Lectronz receive customs claims. Here is why - and what to do....
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Latest posts
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Pow-U and power savingRead more -
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Integration with LoxoneRead moreLoxone is a Smartbuilding system used by professional installers, and eReitan Consulting has made available an integration for Pow-U / Pow-K / Pow-P1.
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Danmark / encryption keysRead moreHAN ports in Denmark are encrypted. How do you obtain the encryption keys?
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Vattenfall - opening the HAN portRead moreAndreas in Sweden informed us on 26th Sep -22 that Vattenfall currently has a long backlog in handling incoming emails.
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Video: How to install and configure your Pow-K+Read moreThis video walks you through the process of installing and configuring your new Pow-K+.
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Emergency factory resetRead moreYour device has become unresponsive for some reason. Is there some way to recover? Yes!