Quantity   Component name
1 × ATSAMD21G18A ARM Cortex M0+ 32bit Microcontroller
1 × nRF8001 Highly integrated single-chip Bluetooth® low energy Connectivity IC
1 × Bosch BMP280 Temperature and pressure sensor
1 × Bosch BNO055 9-DOF Fusion IMU
1 × SSD1306 Display Controller
1 × BQ27441-G1 Battery Gauge IC
1 × BQ24075 LiPo battery charger and Power-Path management IC
1 × DRV2605 Haptic motor controller IC
1 × TPS71433 Power Management ICs / Linear Voltage Regulators and LDOs