http://herman.kopinga.nl/wiki/ 2012-02-05T19:06:14+01:00 http://herman.kopinga.nl/wiki/ http://herman.kopinga.nl/wiki/lib/images/favicon.ico text/html 2012-02-02T18:33:19+01:00 herman http://herman.kopinga.nl/wiki/alfred?rev=1328203999&do=diff Some easy-peasy Alfred Plugins. Array BTW (dutch sales tax) calculator. Multiplies input number by 1,19 and copies this number to the clipboard. Usage: btwh <number> and then command+v to paste. Array VirtualBox virtual machine starter. Usage: vm <name of virtual machine> text/html 2012-01-03T20:25:10+01:00 herman http://herman.kopinga.nl/wiki/geek?rev=1325618710&do=diff I'm always doing more than one thing at the same time. Running It's actually quite nice to have this list to see what it is I'm (sortof) working on :-) * Quantified home combine an Arduino with an Ethernet Shield and my 1wire stuff from the fridge to make online temperature logging possible. * Living in a shipping container. * Build a Like button with led counter. text/html 2011-12-28T19:24:12+01:00 herman http://herman.kopinga.nl/wiki/like_button?rev=1325096652&do=diff Currently working on this one, first prototype is done. Got three buyers lined up, so ordered parts and will start 'production' soon. text/html 2011-12-10T21:14:51+01:00 herman http://herman.kopinga.nl/wiki/arduino?rev=1323548091&do=diff I own several Arduino's and shields. * 2 Arduino Uno * 1 Arduino Ethernet Shield * 1 DF Robot Ethernet Shield * 1 Arduino Pro 328 5v/16MHz * 2 Arduino Pro Mini 328 5v/16MHz * 1 DF Robot prototyping shield * 1 DF Robot LCD Shield I own 2009 (Older Version) * 1 Seeed Solar Charger shield Wiki page * 1 Arduino Mini USB Adapter The revised one. text/html 2011-12-07T15:42:06+01:00 herman http://herman.kopinga.nl/wiki/quantified_home?rev=1323268926&do=diff Combine an Arduino with an Ethernet Shield and my 1wire stuff from the fridge to make online temperature logging possible. * This Arduino and 1Wire page should help :) Pictures and current status The base module is internet connected and logs it's data tothis simple page. All is still buggy and flaky as can be but it works! The Node has solar power and transmits the temperature from it's temp sensor to the base wirelessly using VirtualWire RF433. text/html 2011-11-10T11:25:31+01:00 herman http://herman.kopinga.nl/wiki/7segment?rev=1320920731&do=diff Got a couple of 7segment displays. Toying with them, built a breadboard version of the Physical DIGG button (called it a Like button). It should go onto perfboard and into a case, nice for demo purposes. Helpfull 7segment links: Some code Circuit without transistors for multiplexing Code for multiplexing without delays text/html 2011-11-07T10:01:13+01:00 herman http://herman.kopinga.nl/wiki/container/shipping_container?rev=1320656473&do=diff Belangrijk: Comfort is belangrijker dan puriteins én geld moet je niet vergeten. * Wil ik dit? * Soort container kiezen, directe relatie met isolatie * Plan maken in meer detail * Kletsen met gemeente over mogelijkheden/vergunning/verplichting. * Containers kopen en ergens neerzetten om te bouwen * Spullen kopen en in containers dumpen en af en toe klussen. * Er naartoe verhuizen als 1 container 2x kozijn heeft en wind/waterdicht is plus koken/slapen/wassen functie klaar met zicht…