Quantity   Component name
1 × SWITCH-MOMENTARY
3 × 100n 0603 capacitor
2 × 22p 0603 capacitor
1 × MCP1700T3302ETT Power Management ICs / Linear Voltage Regulators and LDOs
1 × LED 0603 any color
1 × 1k5 0603 resistor
1 × ATSAMD11C14
1 × EPSON MC-146 32.768KHZ crystal