Hi I need to completly electricaly isolate some earphones from the source, for use with cochlear ear implants, I was thinking of using optocouplers, does anyone have any experience with them? or any good links? TIA

Hi I'm fairly new to all this but I managed to make 2 cmoys on strip board and they worked great, I thought I'd try using rechargeable batteries, I found the charging circuit http://www.head-fi.org/forums/f6/tri...argers-185377/ worked out great and charged the battery, is there any...