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Can the vibrating device be a cheap cellphone that vibrates when it gets an SMS? Something like this https://www.olimex.com/Products/ARM/ST/STM32-E407/open-sou
by howard941 8y ago
Can the vibrating device be a cheap cellphone that vibrates when it gets an SMS?
Something like this https://www.olimex.com/Products/ARM/ST/STM32-E407/open-source-hardware https://www.olimex.com/Products/ARM/ST/STM32-E407/open-sourc... on the baby monitor side coupled with your own DSP code listening to the speaker could generate the text.