Quantity   Component name
1 × BME280 Bosch Combined humidity and pressure sensor w/ I2C interface
1 × MLX90615 Melexis contactless thermopile thermometer w/ I2C interface
1 × Bondo or Casting Resin
1 × Dental Vacuum Thermoforming Hard Plastic Sheet
1 × Needle and Thread (standard sewing kit materials) For attaching electronic components to custom retainer
1 × Clear Nail Polish For sealing electronics from water damange
1 × Tyvek Softwrap 14M 5.3 mils (3 square inches) Tyvek is an ultralight breathable waterproof fabric. Search "tyvek kite" on Ebay to find the thinnest available.
1 × Breathable Surgical Tape
1 × Nordic nRF51822 Based Activity Tracker (Model "M3") Nordic nRF51822 SoC w/ ARM Cortex-M0 MCU and Bluetooth BLE, LiPo battery charger, other misc. components.
1 × KX022 Accelerometer On activity tracker main board, connected using SPI interface
1 × 70 mAh Lithium Polymer (LiPo) Battery Included with activity tracker
1 × Dental Impression Trays
1 × Dental Alginate