1  "Id";"Designator";"Footprint";"Quantity";"Designation";"Supplier and ref";
2  1;"R2,R4,R1,R3";"R_0603_1608Metric";4;"1k";;;
3  2;"SW3,SW2,SW1,SW4";"SW_SPST_TL3342";4;"TS5220A";;;
4  3;"J1,J2";"JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal";2;"LCSC C145956";;;
5  4;"D1,D4,D2,D3";"LED_0603_1608Metric";4;"LED";;;
6  5;"U1";"TSSOP-16_4.4x5mm_P0.65mm";1;"TCA9534";;;