davidefromitaly
Enlightened
i have see this on ebay:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=16037&item=5128340526
how can only 4 button cell drive a 0,5W led?
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=16037&item=5128340526
how can only 4 button cell drive a 0,5W led?