Quantity   Component name
1 × ATSAMD21E18A QFN
2 × 1uF capacitor 0603
1 × Tact button
1 × Slide switch C&K Components AYZ0202AGRLC
2 × 10uF capacitors 0603
1 × USB micro
1 × SPX3819 Power Management ICs / Linear Voltage Regulators and LDOs
1 × Green LED 0603
1 × Blue LED 0603
2 × 1.5k resistor 0603
1 × 32.768kHz SMD crystal oscillator Abracon
2 × 22pF capacitors 0603