Recherche par propriété

Cette page fournit une simple interface de navigation pour trouver des entités décrites par une propriété et une valeur nommée. D’autres interfaces de recherche disponibles comprennent la page recherche de propriété, et le constructeur de requêtes ask.

Liste de résultats

• Low-tech Computer  + (A basic computer model that still meets most of our daily needs. All for a price not exceeding 30 euros!)

• Low-tech Computer  +
• Sunlight-luminosity measurement with a single board computer (raspberry-orangepi)  + (As you might not know, the meteorological … As you might not know, the meteorological surface synoptic observations data (SYNOP, available here: https://donneespubliques.meteofrance.fr/?fond=produit&id_produit=90&id_rubrique=32) does not take into account sunlight/luminosity.
  
  Sunlight/luminosity data can be interesting to gather for a diversity of uses (home well-being, photovoltaics production, plants care,...).
  
  For photovoltaics, although the technology is old, I did not manage to find reliable measurements for cloudy weather.
  
  We find videos of such a measurement, for example this one:
  https://www.youtube.com/watch?v=H_Aow78MFmQ&ab_channel=TopeSosanya
  that may suggest that solar pannels produce at 50% of their nominal capacity.
  
  My measurement instruments being subject to interferences, I dont really trust my measurements to be reliable, so i thought about producing simple code that other users less subject to interferences could reuse at their convenience.
  
  This tutorial will allow you, with only two commands (after installing operating system and docker), to use your single board computer like a weather station recording sunlight/luminosity every minute in a database and producing a web page where results can be retrieved with date filters options.
  the demo is available here:
  https://vpn.matangi.dev/lum
  
  Note: dont trust the measurements displayed in the demo above: the ecoterrorist french police doctrine destroys the possibility to do science correctly in france with computers. I do not have the adequate financial and technical means, and I do not want to spend time playing cat and mouse again and again to dodge recurring cyber attacks and shackles. The logic integrity of the code is good. If the system changes, or if you are not targetted too much, this could be useful.
  
  Publishing on lowtechlab is a signal to encourage you to do your own measurements with diy stuff, like a multimeter and an old offline camera to upload on youtube or peertube. If you read this tutorial and you are not yet an ecoterrorist, you have a superpower: the invisibility cape. old offline camera to upload on youtube or peertube. If you read this tutorial and you are not yet an ecoterrorist, you have a superpower: the invisibility cape.)
• Haybox or fireless cooker made of a wool blanket  + (Fireless cooker made of a woollen blanket … Fireless cooker made of a woollen blanket for steaming food. The principle of the fireless cooker or Norwegian pot is to place a stewpot in an insulating receptacle after boiling for slow cooking without using a heat source. This specific space-saving model is perfectly suited to nomadic life, especially in a van, but not only, and can be adapted to various sizes of stewpot or saucepan.d to various sizes of stewpot or saucepan.)
• Simple wooden bike trolley - hand tools only - back wheel attachment  + (Method to create a simple bike trolley, us … Method to create a simple bike trolley, using up-cycled materials. Easily fixated to every bike (adult size). Holes on the board help attach any kind of cargo. It’s made out of wood and simple hand tools, no welding required! Dimensions are detailed and can easily be adapted to the material available. (price depends of what materials you use, of course!).ds of what materials you use, of course!).)
• Batteries recovery  + (Recycle computer battery cells to create a photovoltaic lamp.)
• Orangepi-raspberry pi nextcloud server (photovoltaics powered)  + (Tutorial to setup a nextcloud server (equi … Tutorial to setup a nextcloud server (equivalent to google drive but free and adapted to collective organisations) on a single board computer (photovoltaics powered)
  
  This tutorial is not really "lowtech" at first look because we talk about computers and photovoltaics
  
  However it is as didactic as possible and follows a lowtech philosophy to share knowledge, avoid unreachable tech by information rentention, complexification by design, or proprietary dependance by design.
  
  We also give sizign tools for photovoltaics with a few explanation. It's up to to you to size your computer working hours on a sun schedule, ie respecting human temporalities.
  
  Nextcloud (framasoft offers a service here: https://www.frama.space/abc/fr ) is a cool service to organise collectively and allows to share files, have a directory, a chat, work cooperatively on libreoffice files, and even do visios. We can also imagine mobile infokisosks on this principle.
  
  The tutorial puts into question the vpn market, the phtovoltaics with brand new and expensive batteries (in reality photovoltaics has become too competitive compared to petrleum and even more compared to nuclear power!), and the gafam market and their surveillance design is damaging trust and social links. The commands are those for a debian system
  
  Finally, the tutorial is made iwth 4G modem (and a wired connection to orange pi which has no wifi card by default), and is updated on this 10th of april for a raspberry pi connected to a "shared wifi" of your telephone (see stage 6 for a wifi in wpa3 and stage 16 for a wifi in wpa2)pi connected to a "shared wifi" of your telephone (see stage 6 for a wifi in wpa3 and stage 16 for a wifi in wpa2))
• Norwegian pot super-efficient fabric  + (A flexible, nomadic and elegant Norwegian pot that guarantees maximum thermal insulation and requires only a few basic sewing skills. For a healthy and sober end to your cooking.)
• Ordinateur low-tech  + (Un modèle d'ordinateur basique mais répondant néanmoins à la plupart de nos besoins quotidiens. Le tout, pour un prix n’excédant pas 30 euros !)
• Ordinateur low-tech  + (Un modèle d'ordinateur basique mais répondant néanmoins à la plupart de nos besoins quotidiens. Le tout, pour un prix n’excédant pas 30 euros !)