Summary of MAXREFDES73#: Wearable, Galvanic Skin Response System
The MAXREFDES73# is a wrist-worn, battery-powered wearable system for measuring galvanic skin response (GSR). It utilizes the MAX32600 microcontroller with an ARM Cortex-M3 CPU to perform high-precision AC impedance measurements efficiently. The platform includes a rechargeable LIR2032 coin battery and connects via Bluetooth Low Energy to a free Android mobile application for data visualization and control.
Parts used in the MAXREFDES73#:
- MAX32600 wellness measurement microcontroller
- LIR2032 rechargeable coin battery
- Android mobile application
- Bluetooth low-energy wireless interface
The MAXREFDES73# reference design is a wearable, mobile galvanic skin response (GSR) system featuring the MAX32600 wellness measurement microcontroller.
This battery-powered platform takes high-precision AC impedance measurements while consuming minimal power. The MAX32600 microcontroller features the industry-standard ARM® Cortex®-M3 32-bit RISC CPU that operates at up to 24MHz, while integrating multiple high-performance analog peripherals. Analog features include a 16-bit ADC with PGA, two 12-bit DACs, and a 16-channel multiplexer along with classic digital features such as 256KB of flash memory, 32KB of SRAM, and a 2KB instruction cache. The reference design provides a high-performance and flexible development platform, which is a foundation for many fitness and medical measurement applications, especially galvanic skin response measurement. The reference design arrives as a wrist-worn unit, powered by a LIR2032 rechargeable coin battery. A mobile application program for devices for Android™ provides the interface, and is free for download. The device communicates with a device for Android though a Bluetooth® low-energy wireless interface. Test results, hardware files, and firmware source code provide complete documentation for the design. The complete wrist-worn unit is available for purchase.
For more detail: MAXREFDES73#: Wearable, Galvanic Skin Response System
- What is the MAXREFDES73# reference design?
It is a wearable, mobile galvanic skin response system featuring the MAX32600 wellness measurement microcontroller. - How does the device communicate with the mobile app?
The device communicates with an Android device through a Bluetooth low-energy wireless interface. - What type of battery powers the wrist-worn unit?
The unit is powered by a LIR2032 rechargeable coin battery. - Does the mobile application cost money?
No, the mobile application program for Android devices is free for download. - What kind of measurements does the platform take?
It takes high-precision AC impedance measurements while consuming minimal power. - What processor does the MAX32600 microcontroller use?
It features the industry-standard ARM Cortex-M3 32-bit RISC CPU operating at up to 24MHz. - Can I access the source code for this design?
Yes, test results, hardware files, and firmware source code provide complete documentation for the design. - Is the complete unit available for purchase?
Yes, the complete wrist-worn unit is available for purchase.

