ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Mounted LCSC Assembly 1 100nF C7,C1,C6,C5 0805' 4 CL21B104KBCNNNC SAMSUNG LCSC C1711 2 1TS002E-2600-2500 RST_KEY,USER_KEY_1,USER_KEY_2 KEY-TACT-SMD-6.1*3.7*2.5 3 1TS002E-2600-2500 HYP LCSC C319366 3 Speaker SPK PCB_MOUNT_SPEAKER_30MM 1 ? Yes 4 3R R3,R1 0805' 2 MCR10EZPJ103 ROHM Semicon C253457 5 NV32F100FS16 U2 SOP-16_LS6.0-L10.0-W3.9-PI1.27-BL 1 6 U-F-M5DW-Y-2 USB-SER1 U-F-M5DW-Y-2 1 U-F-M5DW-Y-2 HRO LCSC C105422 7 SS12-LTP D2,D1 SMA(DO-214AC) 2 SS12-LTP MCC LCSC C85684 8 TP_GND TP_GND TESTPIN 1 ? 9 TP_VCC TP_VCC TESTPIN 1 ? 10 1k R2,R7,R9 0805' 3 ? LCSC C100051 Yes 11 1uF C3 0805' 1 CL21B105KPFNNNE SAMSUNG LCSC C107367 12 17-21/GHC-XS1T2M/3T INDICATOR,USB_POWER LED-0805 2 17-21/GHC-XS1T2M/3T EVERLIGHT LCSC C63855 Yes 13 17-215UYC/S530-A3/TR8 POWER LED-0805 1 17-215UYC/S530-A3/TR8 EVERLIGHT LCSC C72036 Yes 14 CH330N U3 SOP-8_150MIL 1 CH330N WCH LCSC C108996 15 XH2.54-4AW CN1 XH2.54-4AW 1 XH2.54-4AW BOOMELE LCSC C21273 16 10K R11,R8,R10,R4 0805' 4 RC0805DR-0710KL YAGEO LCSC C163503 17 B503 POT1 B503_PCB 1 B505双联拨盘电位器 18 SS-12F44-G5 SW1 SW-DIP-12.1X5.6 1 SS-12F44-G5 Rectangular Connectors - Contacts LCSC C136718 19 MF-PSMF035X-2 F1 0805' 1 MF-PSMF035X-2 BOURNS LCSC C116172 20 AA_BATT_BOX BT1 AA_BATT_BOX_59MMX33MM 1 No.52Section side by side battery box ReliaPro LCSC C5404