Digital Stressbell

Gadget project developed for a course. Combines the concept of a stressball, dumb bell (shape), and a sound emitting "bell". It is meant to sense various physiological signals to determine if the user is stressed.

 

Processor

- Programmable System on Chip (PSoC)

 

Sensors:

- Flex sensors to detect squeezing

- Thermistor to detect palm temperature

- Electrical contacts to measure galvanic skin response (GSR) - a measure of arousal

- Heart rate (oximeter) - didn't really get this to work

 

Outputs

- LEDs

- LCD display

- Bluetooth output to computer (that has a custom written oscilloscope program and data logger)

- audio

Done