Hot-Mouse06
Keep your hand warm for those cold winter nights of web surfing with this do-it-yourself mouse warmer, just add 20 resistors and up the amp on your USB – [via] Link.

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Related: Mousey the Junkbot by Gareth Branwyn. With a few spare parts, you can turn an old computer mouse into an amusing robot. MAKE 02 – Page 96. PDF here – Link.