Quantity   Component name
1 × STM32F411CE ( ARM Cortex M4 ) QFN48
1 × RFM75 ( GFSK transceiver ) SMD PACKAGE
1 × MPU-9250 ( 9 Axis MEMS ) QFN (3x3x1) mm
1 × N25Q032 up to N25Q128 (Memory ICs / FLASH Memory) SO8 Wide
1 × MCP73832 ( charge management controller) 5-pin SOT-23
1 × TPS63001 (Buck-Boost) QFN VSON