Sun and heat on the north side with mirrors

The priciple of the sun mirror, really quite simple. The heat and light of the sun can also reach the north side to passively heat the rooms.Natural heat and light on the north side! The mirrors…Continue

Tags: north, solartracker, sunny, solar, passive

Started by Daan van Geijlswijk in Everything else Aug 27, 2010.

Sun Tracker without micro-controller. 1 Reply

 I found two interesting solutions without using a microcontrollor. Especially the first is charmingly minimal. For me it's to difficult to build those. I am learning, but have a long way to go. Can…Continue

Started by Daan van Geijlswijk in Electronics. Last reply by Daan van Geijlswijk Jul 15, 2010.

Feel like building an windmill... 5 Replies

I feel like building a windmill. I want to find out how to develop the cheapest possible, but lasting windmill.I want to first break with the paradigm to have the blades only supported from one…Continue

Tags: support, doube, windmill

Started by Daan van Geijlswijk in Everything else. Last reply by Daan van Geijlswijk Dec 21, 2010.

Using hot air devices for drying clothes 1 Reply

Hi, I just came up with the idea to use hot air devices, such as the beer can heater to dry your clothing.If you pump the hot air through a closet of some sort, it will quickly dry clothing. You can…Continue

Tags: dryer, heater, can, beer

Started by Daan van Geijlswijk in Everything else. Last reply by Daan van Geijlswijk Jun 3, 2010.

Sun Tracker 4 Replies

We are building a suntracker using the Arduino. I added the files that we use. I will also add the electronic composition we used. The FR. file is a ifle that can be opened with fritzing. Fritzing is…Continue

Tags: files, suntracker, arduino

Started by Daan van Geijlswijk in Electronics. Last reply by Daan van Geijlswijk Aug 17, 2010.

Swing your way to electricity,,, 7 Replies

Ever considered how much energy is contained in a wave? Well, more than meets the eye.I have been fascinated with wave energy all my life, and have followed recent technical develoments in the field…Continue

Started by isaac shawky in Everything else. Last reply by Daan van Geijlswijk Jul 1, 2010.

The sex-appeal of the Stirling motor! 4 Replies

Few people, except a few geeks, would consider an engine sexy, but if you're into renewable energy of any kind, this little engine will certainly tickle your fancy! As you may have seen, the…Continue

Tags: power, green, contest, engine, stirling

Started by isaac shawky in Stirling Engine. Last reply by Daan van Geijlswijk Jun 7, 2010.

Design contest: Sterling Motor 3 Replies

ZininZelfdoen is organising a design contest! The idea: design a device that generateselectricity on basis of the Sterling Motor principle. The winner receives 500euro.If you want to join the…Continue

Tags: renewable, energy, contest, design, motor

Started by Liesbeth Wilschut in Stirling Engine. Last reply by Daan van Geijlswijk Jun 11, 2010.