Ragnar Ranøyen Homb

Ragnar makes sure everyone in Norwegian Creations run in the same direction. Besides that, he works with Embedded System Design here at NC, and have also lectured in this discipline at Norwegian University of Science and Technology. So, when it comes to PCBs and overall system design, he is a valuable asset. Ragnar also enjoys woodworking and fine literature.

Posts by Ragnar Ranøyen Homb

Building a Laser Engraver: Part 2. Technical insights

September 15, 2013

Ragnar Ranøyen Homb

3D Printing Projects, Lasers, Mechatronics

This post contains a review of different aspects of the Laser Engraver. And it will probably be updated continuously. System overview Just to start out on the right foot, this image explains how we name all the different main parts…

Creating A Clock with Pomodoro Timer and Visual Alarm

September 3, 2013

Ragnar Ranøyen Homb

Misc. Other Projects

The Pomodoro Technique is a widely known method for consciously controlling the amount of time spent on specific activities. In other words, a time management technique. It’s one method amongst a myriad of different methods, all claiming that they…

A Video from the making of a Laser Engraver

August 18, 2013

Ragnar Ranøyen Homb

3D Printing Projects, Lasers, Mechatronics

The Laser Engraver is now 99% finished, and has already taken part of a preview for Trondheim Maker Faire: PSTEREO Mini Maker Faire. The music is from the bonus track on Seven Journeys to a New Home, an album made by…

Building a Laser Engraver: Part 1

August 9, 2013

Ragnar Ranøyen Homb

3D Printing Projects, Lasers, Mechatronics

Last year we made a small laser engraver, aimed toward creating small engravings on wood. It worked, kind of. With kind of, I mean some features could have been better: Size: The last one had only a 2.5cm x 2.5cm work…

Finishing a 3D-printed part: ABS smoothing and coloring without chemicals

May 5, 2013

Ragnar Ranøyen Homb

Maker Tutorials

When printing with a FDM printer, such as our Solidoodle, the surface becomes kind of “liny”. We use this priniting technology to create different system parts, where surface appearance is not of importance. But what to do if you want a smooth…

Creating a 3D printed spare part

April 14, 2013

Ragnar Ranøyen Homb

3D Printing Projects

Printing out already created models downloaded from sites like Thingiverse is great, but what to do you do when you cannot find the part you need/want there? In my case I needed a new shower handle holder. Because of a leak in…

Impressions from a couple of months with the new Solidoodle 3D printer

April 7, 2013

Ragnar Ranøyen Homb

First Impressions - Hardware

After a long time waiting we finally received a Solidoodle 3 3D printer for a couple of months ago. After countless hours research on the web we knew a lot about its capabilities and limits, so we felt ready for…

Hydroponic Gardening, Part 5: Lighting

March 18, 2013

Ragnar Ranøyen Homb

Hydroponic Gardening

The plants need some form of artificial lightning to thrive in Norway in the winter.After consulting Windowfarms.org, we decided to try with some 8W E27 socket led bulbs. The light output measured in lumens is about the same on a 10…

Hydroponic Gardening, Part 4: Plants and Nutrition

December 9, 2012

Ragnar Ranøyen Homb

Hydroponic Gardening

After the mechanical system was created, it was time to introduce living organisms =) Nutritients A hydroponic nutritient solution containing all the elements that the plant normally would get from the soil is of essence in such a system. I…

Hydroponic Gardening, Part 3: Water Lift System

November 18, 2012

Ragnar Ranøyen Homb

Hydroponic Gardening

I want to drip a nutrient solution onto the top plant. And to accomplish that I’m going to use an air lift. Water in the pipe is displaced with air, making the total weight within the pipe less than the…

Hydroponic Gardening, Part 2: The Pots

October 14, 2012

Ragnar Ranøyen Homb

Hydroponic Gardening

Suspension A typical Windowfarming system is driven by water raised to the top by an air lift system. Thereafter, by the help of gravity, flows the nutrient solution down through the pots, and ends up in the reservoir again. I…

Automated beer brewing – part 2

October 11, 2012

Ragnar Ranøyen Homb

Misc. Other Projects

After a period of planning, reading numerous forum posts about brewing and scouring the websites of a range of chinese valve manufacturers, we have finally started the building process. We settled on a design using a frame made out of…

Hydroponic Gardening, Part 1: An Overview

October 9, 2012

Ragnar Ranøyen Homb

Hydroponic Gardening

What is Hydroponics? Hydroponic gardening, also called hydro-farming, is a method of growing plants using mineral nutrient solutions, in water, without soil [Wiki]. A subset of hydrofarming is named Windowfarming. This naming comes from the movement Windowfarms, lead by Britta Riley. They offer…

Drawing Machine Time Lapse from Technoport Access Water

October 1, 2012

Ragnar Ranøyen Homb

Technoport arranged some quizes in conjunction with the “Access Water” event. The drawing machine, now named “Liny” draw images to the winners. We had also arranged a poll to give the machine a name. The machine is now named Liny =) The…

Automated beer brewing – part 1

September 18, 2012

Ragnar Ranøyen Homb

Misc. Other Projects

First of all, hi! During the coming months, my self and Bernt-Johan will be joining Ragnar and Gunnar at Norwegian Creations. Here we will try to share some of the projects we are working on between studying, and running our…