Quantity   Component name
1 × nrf51822 Bluetooth Radio and Arm Processor
1 × cc1200 900 Mhz Serial Controlled Radio
1 × HTU21D Sensors / Temperature, Thermal
1 × MPL3115A2 Sensors / Pressure, Force
1 × ALS-PT19 Opto and Fiber Optic Semiconductors and ICs / Photo Transistors