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 Forum index » DIY Hardware and Software » Circuit Bending
TYCO HOT KEYZ schematic
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noto



Joined: Nov 05, 2009
Posts: 24
Location: portland
PostPosted: Thu Aug 01, 2019 10:37 pm    Post subject: TYCO HOT KEYZ schematic Reply with quote  Mark this post and the followings unread
i have been reverse engineering the TYCO hot keyz, and thought i would share the schematic in case someone might find it useful. some things look strange, but they are indeed correct... i have quadruple checked to be sure. any thoughts on the circuit weirdness? the two lm386 amplifiers have big custom heatsinks on them, and the get pretty warm... notice both pins 7 are left floating. seems like it was just designed badly, but it sounds pretty great out of the built in speaker.

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