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microphone. earphone. Bluetooth module. BlueEyes Data Acquisition Unit. DAU - components. MC 145483 PCM codec. Atmel 89C52 microcontroller. Jazz Multisensor. Beeper. UART. LCD display. MAX232. UART. LED indicators. ID card interface. ID card. Simple keyboard.
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microphone earphone Bluetooth module BlueEyes Data Acquisition Unit DAU - components MC 145483 PCM codec Atmel 89C52 microcontroller Jazz Multisensor Beeper UART LCD display MAX232 UART LED indicators ID card interface ID card Simple keyboard