Sorry, I search in the web but mostly I found only 3v and 6v circuits.
Although I'm not scared to solder components, I'm really new in electronics, I'd like to make Flash this 12v-led arrow
http://www.ebay.co.uk/itm/271265853156?var=570181454985&ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
when I switch it on.
In the cheapest/smallest way it could be done.
The project is to make a turn-light on my bicycle with this battery type:
http://www.ebay.co.uk/itm/190900045894?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
and this switch controller:
http://www.ebay.co.uk/itm/390628419797?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
. Thanks!!!!!!