** [http://ch.farnell.com/jsp/displayProduct.jsp?sku=1106117&CMP=KNC-GCH-FCH-GEN-FRE-SKU-G12-TEXAS_INSTRUMENTS-ICC&mckv=smaohCP4z|pcrid|30184183117|kword|cd4093be|match|p|plid| 4093 IC]
** Home made PCB [[File:Sajica_electronics_v_4093_empty.pdf|mask]]
*** FIXME Version 1 [[File:pcb.png]] [[File:pcb.xcf]]
** Leds
** Battery packs
** Piezzo
** ...
* PCB order for 30 pieces
** [http://www.circuit-electronique.fr/circuit-imprime-sur-mesure.php] 422CHF
** [http://www.util-pocket.com/electronique/circuit_imprime.htm] ~300CHF
** [http://circuitsimprimes.free.fr/] ~265CHF
** [http://be.eurocircuits.com/shop/ecbasket/services.aspx?lang=en] 280CHF
==== joule thief ====