Reusing handsfree bluetooth speaker


hello,

i have handsfree bluetooth speaker (this one: http://www.ebay.com/itm/car-kit-speakerphone-bluetooth-usb-multipoint-speaker-for-cell-phone-handsfree-/172697080799?epid=1245995877&hash=item28358c53df:g:dqgaaoswurzzj9ok) doesn't work - ti's doesn't matter why, can't pair.

i took apart, , found speaker (photos in attachments). info written 8 ohms , 0.5w. found people on forums asking questions regarding it, since have little background in electronics (mostly school 10 years ago - remember how calculate stuff using ohm's law, never encountered transistors, capacitors, diodes etc.)

i'm not sure how connect board - digital pins or analog ones, , how calculate resistors need. if need other resistors, transistors, capacitors, diodes happy know. happy either know answer, or how calculate it.

ohh , 1 last thing - music box project (the ones open , music starts playing) midi file (i found tutorials online didn't yet without working speaker) convert tones. i'm looking switch start music once box opened. found different switches: https://www.kitronik.co.uk/c3403-micro-switch-with-medium-lever.html or https://www.kitronik.co.uk/c3402-miniature-push-to-break-switch-black.html - 1 of them enough project?

many thanks,
rd



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