yamazakir2 wrote: > why do you have a through hole ic
These are TDA2030 that drive the peltier -- These are reliable, powerful and and cheap. To tap their power, they need to be screwed to a sizable cooler. 15 W heat cannot be easily dissipated into a copper polygon plane. ---<)kaimartin(>--- -- Kai-Martin Knaak tel: +49-511-762-2895 Universität Hannover, Inst. für Quantenoptik fax: +49-511-762-2211 Welfengarten 1, 30167 Hannover http://www.iqo.uni-hannover.de GPG key: http://pgp.mit.edu:11371/pks/lookup?search=Knaak+kmk&op=get _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user