sep=, Comment,Designator,Footprint,LCSC Part Number 1u,C1,Capacitor_SMD:C_0603_1608Metric,C15849 100n,"C3,C4,C5,C6,C7,C8",Capacitor_SMD:C_0402_1005Metric,C307331 18p,"C9, C10",Capacitor_SMD:C_0402_1005Metric,C1549 1N5819WS,D1,Diode_SMD:D_SOD-323,C191023 LED,D2,LED_SMD:LED_0603_1608Metric,C2286 1k,"R1,R2,R5,R6",Resistor_SMD:R_0402_1005Metric,C11702 0,"R3,R4",Resistor_SMD:R_0402_1005Metric,C17168 STM32F042K6Ux,U3,Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm,C2053439 SN65HVD230,U4,Package_SO:SOIC-8_3.9x4.9mm_P1.27mm,C12084 X322516MLB4SI,Y1,Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm,C13738