Name Designator Footprint Quantity Manufacturer Part Manufacturer ATMEGA32U2 U1 TQFP32-08 1 16MHz X1 OSC-SMD_3P-L3.7-W3.1-P1.5-L 1 AWSCR-16.00CV-T Abracon LLC RESET SW0 KEY-SMD_4P-L5.2-W5.2-P3.70-LS6.4 1 K2-1187SQ-A4SW HRO SW SW1-SW30 KEY-SMD_4P-L5.2-W5.2-P3.70-LS6.4 30 K2-1187SQ-A4SW HRO 22R "R1,R2" R1206 2 1206W4F220JT5E UniOhm 4.7uF C5 C1206 1 GRM31CR71H475KA12L MuRata 100nF "C1,C2,C3" C1206 3 CC1206KRX7R9BB104 YAGEO KT-1206Red LED PWR LED1206-R-RD 1 KT-1206Red LED KENTO 10K R3 R1206 1 1206W4F1002T5E UniOhm 1K R4 R1206 1 1206W4F1002T5E UniOhm 1uF C4 C1206 1 GCM31MR71H105KA55L MuRata 350mA F1 F1206 1 MF-NSMF035X-2 BOURNS Alternate low profile parts for 16MHz resonator and 4.7uF capacitor: X1 Murata CSTNE16M0VH3L000R0 16MHz C5 Samsung CL31A475KOCLNNC 1206 4.7uF