Encre conductive
From Tmplab
Encre home made
Graphite
https://www.youtube.com/watch?v=W_ouYLeIkoo
http://www.instructables.com/id/Conductive-Paint/
Achat : http://www.mon-droguiste.com/graphite-carbone,fr,4,GRAPOU07008DSN.cfm
Barium / Indium
http://spectrum.ieee.org/geek-life/hands-on/how-to-brew-your-own-conductive-ink https://www.youtube.com/watch?v=mF_Z8RUZjJE