Quantity   Component name
1 × Atmega328p (QFN32) Primary Microcontroller, from Atmel
1 × nRF8001 Bluetooth 4.0 (LE) controller from Nordic
1 × LSM9DS1 9 Degree of Freedom accelerometer, gyroscope, magnetometer
1 × 128x31 Monochrome SPI OLED UG-2832HSWEG04 driver chip
1 × TPS61200 Power Management IC (Buck-Boost)
1 × MCP73831 Power Management ICs/ Battery charging controller
1 × Peripheral R, C, L See BOM in files for details