Comments on: wind-up bird(s)

By: hcgilje

hcgilje — Tue, 25 Aug 2009 15:26:32 +0000

Hi Howie,
We tested 3 different 3.3 voltage regulators, and measured the current.
It was interesting to see the difference in specification and actual use.
we tested the lm2937 which was rated at 2mA, but actual quiescent current was 5.6mA, so approximately 4Ah for a month
we tested the built-in regulator on the droids xbee board, also rated for 2mA, actual use 7.4mA, for a month this would be 5.33Ah
The clear winner was the LF33, which is rated at .5mA and we measured it to about .6mA, so for a month only 0.43Ah

By: Howie

Howie — Fri, 21 Aug 2009 13:22:57 +0000

“It´s amazing the difference between two voltage regulators for instance…”

could you perhaps expand on this? What did you go with in the end? How did you make the decision?

By: hcgilje

hcgilje — Fri, 05 Jun 2009 08:01:20 +0000

the wind-up birds left lillehammer in september 2008.

By: ste

ste — Thu, 04 Jun 2009 20:46:57 +0000

hvor i lillehammer står disse greiene? dette ser ut som et kjempegodt prosjekt. håper de “lykkes” i skogen/parken som de er plassert i.

By: Alethea Lakatos

Alethea Lakatos — Mon, 27 Apr 2009 07:22:17 +0000

Hey very nice blog!!

By: Hello world! « Tristanlouthrobins’s Weblog

Hello world! « Tristanlouthrobins’s Weblog — Wed, 21 Jan 2009 08:49:35 +0000

[...] resonators, actual woodpeckers started communicating with them after awhile! Read about it here: http://hcgilje.wordpress.com/2008/09/04/wind-up-birds HC Gilje’s work always impresses me, I’m a big fan of the blog: [...]

By: Tristan Louth-Robins

Tristan Louth-Robins — Wed, 21 Jan 2009 08:23:41 +0000

A wonderful, WONDERFUL project! I’m marveling at the simplicity and beautiful presentation of this work – one of the best pieces of recent sound art I have seen. Inspirational!

By: Projection Artists « Augmented Engineering

Projection Artists « Augmented Engineering — Tue, 06 Jan 2009 00:31:49 +0000

[...] developed a variety of interesting technical art pieces and production tools. His work on creating mechanical woodpeckers is particularly [...]

By: in the spirit of piksel: a minimal arduino « Conversations with spaces

in the spirit of piksel: a minimal arduino « Conversations with spaces — Thu, 04 Dec 2008 13:02:27 +0000

[...] starts today, and that gave me an excuse to finally post some of the technical info related to the wind-up birds project. Tomorrow I am giving a presentation of the mechanical woodpeckers at the [...]

By: Panic {RE}_Programming » Blog Archive » Interview with Mitchell Whitelaw

Wed, 12 Nov 2008 20:33:34 +0000

[...] and material instances of digital systems. A beautiful example of this is H C Gilje’s wind-up birds, a group of mechanical woodpeckers – microcontroller-driven solenoids that tap on hand-made wooden [...]