We currently ship minimum once per week.
Non-Norwegian customers are invited to order from our store on Lectronz.com, a third party sales platform that handles national VAT to EU countries, using the EU IOSS system (for order values up to 150 EUR ex VAT).
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Some users experience difficulties using one of the Over-the-air (OTA) methods for firmware upgrade. We propose a...
How to cure the Kamstrup Omnipower meter hick-up (meter stops pushing data)
Swedish grid companies are moving from "HAN-NVE" configuration to "P1" configuration. Some grid companies allow their...
Some users have noticed that the device is no longer reporting current on phase L2.
Swedish customers receiving our shipments via Postnord are mislead to think they have to pay customs fee and VAT....
One-click firmware upgrade works just fine for most users - but what to do if it fails?
How to correct corrupted values in the graphs
OK... so we made a (minor) bummer on the latest design update of Pow-U. The fix is maybe not elegant, but it is easy!
Some of our EU customers that buy on Lectronz receive customs claims. Here is why - and what to do....
It took some efforts both in hardware and firmware to make an ESP32 run from HAN-port power only - and here are the...
Frequently asked questions
In some use situations, the Pow-U will have difficulties maintaining its voltage level and will reset frequently (see user manual for tips and remedies). Can power be connected to the micro-USB port to avoid this?
Many of us do not like the idea of sending our power consumption data to some cloud service where we do not really know who can access them. This is why our solution is on purpose not could based - with the added benefit of being a solution without any monthly subscription fee.
Especially solar panel installations are starting to become common, so we want to monitor power and energy from them!
The most common mistake when starting up a Pow-K has an easy fix!
If you by a mistake uploaded over Wifi a wrong firmware (intended for an other microprocessor), the device will not work. All hope is not out! But you need to reprogram your device by cable. The procedure to follow depends on your device.
