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Reference design senses galvanic skin response for wearables

21 May 2015  | Julien Happich

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MAXREFDES73#

Maxim Integrated Products has announced the MAXREFDES73# reference design that enables designers to immediately evaluate galvanic skin response (GSR) sensing in medical and fitness wearables. According to the company, the platform integrates digital-to-analogue (DAC) and analogue-to digital (ADC) converters, an MCU with advanced power management, firmware and an easy-to-use Android app.

Offered in a wristband form factor, the MAXREFDES73# includes body surface temperature readings, Bluetooth communications and a rechargeable battery that lasts up to one week on a single charge. It sports a 16bit integrated analogue front-end and will operate for one week on one battery charge.

It comes at $189 on Maxim's website and select franchised distributors. Hardware and firmware design files, as well as test data, are provided free and available online.

MAXREFDES73# block diagram




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