Quantity   Component name
1 × Particle Photon or Redbear Duo ARM WIFI development board with the Broadcom BCM43438
1 × MAX30100 Pulse Oximeter 4$ Magical accurate pulse oximeter sensor from maxim semiconductors thanks to the wearables revolution (http://goo.gl/JbpYi6)
1 × MLX90614 IR temperature 4$ tiny IR non-contact temperature sensor for Respiration Sensing (http://goo.gl/NzXqyz)
1 × LMT70 LMT70 accurate temperature sensor for measuring body temperature in earcanal
1 × ADXL345 SPI accelerometer for actigraphy
1 × 240mah LiPo battery JST connected 3.7V lipo (http://goo.gl/MSl42y)
1 × 5V boost circuit Compact boost circuit to power the photon (http://goo.gl/UZxdFH)