The use case for this post is that a got a request from a customer where a commercial displays brightness, used for digital signage , should...

If you are using Davis Personal/Professional weather stations (PWS) you will get a nice dashboard when you link y...

Updated 2022-07-04 ! O n the same server/hardware you can have a test environment for Node-Red(NR), separated from production separated i...

In former posts   I used the temperatur sensor DS18B20, in several applications, but now it was time for the boats exhaust temperature and c...

Updated 2022-06-10 ! In other posts I  blogged about a way to measure temperature with a Raspberry Pi(RPi), direct connected or via WiFi ,...

What is Wine ?  The OpenSource project , themselves,  explains it as;  Wine (originally an acronym for "Wine Is Not an Emulator")...

I have written a post with the same subject before, also using NodeRed (NR), but this post is using the latest WeatherLink v2 API inst...

This post is written for those who runs Signal K(SK), or applications that indirect are using SK, and want to write log files that could be ...

In an other post  I explained how to access and edit the data on an USB attached drive with the Linux " standard"  ext4  filesyste...

Updated 2022-03-03 ! I'm having an old MacBook Air 4.2, (mid 2011, SSD, 4 Gb memory), which have been running Catalina for quite some t...

Updated 2022-01-11 ! During my  update of the cables going from the batteries, to the distribution panel and engines, I stumbl...

The actual use case was that I have a Raspberry Pi(RPi) sourcing Vesselfinder with AIS data from nearby. I w...

Updated 2021-12-05 ! In the harbour we are using a Davis weather station , Vantage Pro2, as our PWS(Private Weather Station). If you lik...

Using a Raspberry Pi Zero (RPi), with wifi, I sometimes have problem that the WiFi connection is lost . This is due to that, at our boat, we...

I'm involved in several projects where you, as quick as possible, want to get an alert if anything fails. After a lot of Googling I foun...

The electrical install instructions for the Ring Doorbell maybe could be a little easier to find  ?  So will give some links where you are...

Updated 2021-08-08 ! I have written several post about the HomeKit Bridge, Homebridge (HB), but if You want another simple way, with GUI, t...

Updated 2021-07-24 ! Many newer MFD:s don't have any  NMEA 0183(N1) connector. The   Axiom don't even have any Seatalk NG connector ...

Updated 2021-07-14 ! The dispatcher " aisdispatcher "(AISD), Linux v1.2, from AISHub.net receives NMEA 0183 VDM/VDO messages , (N...

Updated 2021-07-07 ! Sometimes the syntax for the Javascript in Node-Red is a little hard to get, despite some Googling. Thi...

Updated 2021-07-01 ! Do You want to have control over the Raspberry Pi(RPi) ?  Functions CPU Temperature CPU Load % Free RAM % D...

Updated 2021-06-15 It's always nice to have ALL information at the same place, navigator/plotter, when You are out with the boat.  W...

Updated 2021-05-21 ! These devices are available for Apples HomeKit. The d...

Updated 2021-04-15 ! A cheap and simple way to measure temperature, and have it displayed in the Home app, is to connect one wire (...

Sometimes you have to handle things in Wordpress that you can't find any plugin for. In our case I had to visualize a list from a MySQL ...