Quantity   Component name
1 × PCB https://oshpark.com/shared_projects/s41LfLbB
1 × ATSAMD21E18A-AU Microcontroller
1 × AP2112K-3.3TRG1 Voltage regulator
2 × 1µF 0603 capacitor
1 × Micro-USB socket
1 × Paperclip