Changes
/* DIY gaz detector */
** [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 [[FileMedia:pcb.png|pcb PNG]] [[File:pcb.xcf|pcb gimp]] [[File:pcb.svg|pcb SVG]]
** Leds
** Battery packs