Quantity   Component name
1 × STM32F303CBT6 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × AP2112K-3.3 Power Management ICs / Linear Voltage Regulators and LDOs
1 × TP4054 Battery management chip
1 × 16MHz Crystal
1 × 32kHz Crystal for RTC
1 × Micro USB Connector for power and communication
1 × 1N5829 Discrete Semiconductors / Diodes and Rectifiers
1 × Si2301 Discrete Semiconductors / Power Transistors and MOSFETs
1 × W25Q128 (optional) Memory ICs / FLASH Memory