ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part LCSC Assembly 1 0 J2,J1,J3,J4,J5 0603' 5 RC0603JR-070RL YAGEO LCSC C95177 2 Header-Male-2.54_1x4 SWD DIP-1X4P-2.54MM-M 1 210S-1*4P L=11.6MMGold-plated black Ckmtw LCSC C124378 3 PJ-307C LINE-IN AUDIO-PJ307C 1 PJ-307C BOOMELE LCSC C16684 4 LED FJ2088BH LED1 LED-ARRAY-TH_L61.0-W61.0-P2.54-LS45.7-L-FIXED 1 - Shenzhen Zhihao Elec LCSC C53078 5 K2-6639DP-A4SW-04 KEY KEY-TOUCH-DIP-6.0*6.0*H-(YX) 1 K2-6639DP-A4SW-04 Korean Hroparts Elec LCSC C223745 6 AMS1117-3.3 U5 SOT-223 1 AMS1117-3.3 AMS LCSC C6186 Yes 7 10u C12,C13,C6,C8 1206 4 CL31A106KAHNNNE SAMSUNG LCSC C9807 8 0.1u C14,C15,C1,C2,C3,C4,C5,C7,C9,C10 0805' 10 TCC0805X7R104K500DT CCTC LCSC C282732 9 10k R8 RES-ADJ_3362P 1 3362P-1-103 Chengdu Guosheng Tech LCSC C118956 10 1u C16,C11 0805' 2 0805B105K250NT FH LCSC C89190 11 ZMM3V6 D3 LL-34 1 ZMM3V6 SEMTECH LCSC C8057 Yes 12 max7219cng U2 DIP-24_L31.7-W6.6-P1.27-LS7.62-BL 1 max7219cng MAXIM LCSC C29160 13 XH-4A CN1 XH-4A 1 XH-4A BOOMELE LCSC C37815 14 U-F-M5DW-Y-4 USB MICRO-USB-A12 1 U-F-M5DW-Y-4 HRO LCSC C145784 15 10k R1,R2,R6,R5 0805' 4 RTT051002FTP RALEC LCSC C103904 16 1k R18,R7 0805' 2 RS-05K102JT FH LCSC C115302 17 STM32F103C8T6 U1 QFP-48_LSA9.20-LSB9.20-PITCH0.50-TL 1 STM32F103C8T6 ST LCSC C8734 18 LM358ADRG U3 SOIC-8 1 LM358ADRG4 Texas Instruments LCSC C350550