> Should I use a higher frequency, or just make the coils > larger with more > windings? > (or is this never gonna work and you have a better idea?) How much power do you need? Would a solar cell do? Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu