Quantity   Component name
1 × STM32F401CC or STM32F411CE Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × EPSON FA-20H 16.0000MF12Z-AC (Q24FA20H00044) Crystal
1 × EPSON FC-12M 32.7680KA-AC (X1A0000610008) Crystal
1 × ALPS SKSVCAE010 Micro Button