Grid companies in Sweden has increased the number of decimals on energy (kWh), here is how to update your device.
Grid companies in Sweden has increased the number of decimals on energy (kWh), here is how to update your device.
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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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Various guides
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Kamstrup Omnipower in Sweden: 10x kWh errorRead more
-
Updating device over USB cable, simplified methodRead more
Some users experience difficulties using one of the Over-the-air (OTA) methods for firmware upgrade. We propose a simplified method for upgrading over USB cable.
-
Kamstrup Omnipower HAN port not workingRead more
How to cure the Kamstrup Omnipower meter hick-up (meter stops pushing data)
-
One-click upgrade is not workingRead more
One-click firmware upgrade works just fine for most users - but what to do if it fails?
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Pow-U and power savingRead moreIt took some efforts both in hardware and firmware to make an ESP32 run from HAN-port power only - and here are the consequences
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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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