The SensorTag includes an open hardware and software reference design for low cost and low power wireless IoT applications. The SensorTag is supplied with complete source code with everything you need to customize it for your application as well as source code examples for mobile apps.
CC2540—Bluetooth® Low Energy wireless MCU with USBCC2540T—Extended industrial temperature Bluetooth® Low Energy (LE) wireless MCUCC2541—Bluetooth® Low Energy and proprietary wireless MCUCC2640—SimpleLink™ 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU with 128kB FlashCC2650—SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash
Buck converters (integrated switch)
TPS62730—Step Down Converter with Bypass Mode for Ultra Low Power Wireless Applications