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s our second working session with Paul, after the one held in Brussels in 2014 on [[michka:research:sup... Paul ordered three of them, which we set up. The one filled up with a smelly damped clay slush from th... /DC boost converters, as well as through-hole-components-based circuits such as Joule Thiefs. Some further work needs to be done there to find the appropriate solution for the MF
final version of the robots, and built the first one.
* Paul started up the MFCs, and performed pow... * The best circuit we got so far is the following one :
* the + pin of the power supply is conne... logistical tribulations to get a few missing components, Michka tried (and failed) to replicate the po... pt having funny results. I tested many of the components, and finally concluded with a test without the
r.
* Further experimentations with various components will be needed to test these alternatives, whi... in mind that we want available (not outdated) components, if possible through-hole ones, and the simplest possible circuit.
====1. Home-made Microbial Fuel... ith
* 9 small holes for aeration
* one additional smaller hole to place a screw
*
ith]] based on upcycled batteries and cuttlefish bone graphene** to **make a 100% upcycled supercapacit... the best design ?====
===Step 1 - Find at least one dead computer battery===
{{ :michka:research:img... ?300 |}}
We ended up opening three of them:
* One Apple Macbook Pro 15' battery
* One Toshiba battery
* Another Toshiba battery, made of Panasonic
d [[http://www.mathgon.com|Matthieu Gonnet]].
===One Container Design===
{{ :michka:research:img_5901... * Voltage changes with oxygenation - + 10 mV.
===One Container in Crate Design===
* Layed down the... imeter cathode may be better for voltage than the one made of wiring or aluminium can. However, surface... r electrodes directly in water: about 30 mV.
* One mutimeter electrode on aluminium can dipped in wa
ctive is to design a MFC which can be build by anyone without specific prior knowledge out of abundant ... urated salted water, wrapped in insulating tape), one with pond sludge, another with clear water.
An a... dgets/make-microbial-fuel-cell/page/1/#slide-top| one-container design]]** is made from one container, sludge at the bottom, smart gel proton exchanger on t
g?300|}}
Once you can see two fractions, a solid one sitting at the bottom of the flask, and some whit... . You can accelerate drying by using a microwave. One minute at 1000 W is too much, but five minutes on
y after assembly of roughly 3 days.
* The only one which did not yield as good results was our home-... th test robots===
===Powered by MFCs and feeding one of our V&A robots===
==With 1381E==
==With 1381
