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["Id","Designator","Shape","Qty","Type","Qty","Digikey","Price"]
[1,"J5","DSUB-9_Male_Horizontal_Pitch2.77x2.84mm_EdgePinOffset9.90mm_Housed_MountingHolesOffset11.32mm",1,"DSUB-9_male_hor / not needed to place","1","AE10968-ND","0,77","*"]
[2,"C6,C1,C2,C3,C4,C5,C8,C11,C10,C12,C13,C14,C15,C16,C17,C18,C19","C_Disc_D7.0mm_W2.5mm_P5.00mm",17,"100nF","17","478-3188-ND","0,135"]
[3,"U7,U3,U4,U5,U6","DIP-14_W7.62mm",5,"74LS38","5","296-1664-5-ND","0,9"]
[4,"J1","Printed circuit board",1,"PCB"]
[5,"C7,C9","C_Disc_D7.0mm_W2.5mm_P5.00mm",2,"22pF","2","BC5146-ND","0,22"]
[6,"D1","D_DO-35_SOD27_P7.62mm_Horizontal",1,"1N4148","1","1N4148FS-ND","0,1"]
[7,"J2","Molex_KK-6410-04_04x2.54mm_Straight",1,"Comm / not needed to place","1","WM2746-ND","0,7","*"]
[8,"Q1,Q2","TO-92_Molded_Wide",2,"BC547C","2","BC547CBU-ND","0,23"]
[9,"R1,R2,R3,R4,R8,R9,R16,R17,R20,R7","R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal",10,"1K","10","RNF14FTD1K00CT-ND","0,072"]
[10,"R5,R6,R10,R11","R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal",4,27,"4","RNF14FTD27R4CT-ND","0,1"]
[11,"R13,R14","R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal",2,470,"2","RNF14FTD470RCT-ND","0,1"]
[12,"R18","R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal",1,"1M","1","RNF14FTD1M00CT-ND","0,1"]
[13,"R19","R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal",1,"10K","1","RNF14FTD10K0CT-ND","0,1"]
[14,"R21,R22","R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal",2,"4K7","2","RNF14FTD4K75CT-ND","0,1"]
[15,"U1","DIP-28_W7.62mm",1,"ATMEGA328P-PU","1","ATMEGA328P-PU-ND ","2,14","**"]
[16,"U2","DIP-28_W7.62mm",1,"MCP23017-E/SP","1","MCP23017-E/SP-ND","1,24"]
[17,"Y1","Crystal_HC18-U_Horizontal",1,"16MHz","1","1923-1388-ND","0,73"]
[18,"J3","Pin_Header_Straight_2x03_Pitch2.54mm",1,"ICSP","1","732-5295-ND ","0,58"]
[19,"SW1","DIP-8_W7.62mm",1,"SW_DIP_x04","1","GH7185-ND","1,0"]
[20,"U8","DIP-14_W7.62mm",1,"74LS10","1","296-1634-5-ND","0,79"]
[21,"U9","DIP-14_W7.62mm",1,"74LS00","1","296-1626-5-ND","1,17"]
[22,"J4","he10-40c",1,"Berg","1","OR893-ND","2,26"]
[23,"U10","DIP-16_W7.62mm",1,"MAX232A","1","MAX232ACPE+-ND","5,01"]
[24,"U11","DIP-8_W7.62mm",1,"24LC1025-I/P / not needed to place","1","24LC1025-I/P-ND","3,01","*"]
[25,"R12","R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal",1,47,"1","RNF14FTD47R5CT-ND","0,1"]
[26,"SW2","SW_PUSH_6mm_h5mm",1,"EVQPAD04M","1","P8007S-ND","0,21"]
["27","optional","for U11",1,"IC socket dip 8  / not needed to place","1","ED3044-5-ND","0,16","*"]
["28","optional","for U3,U4,U5,U6, U7, U8, U9",7,"IC socket dip 14","7","AE9989-ND","0,22"]
["29","optional","for U10",1,"IC socket dip 16","1","ED3046-5-ND","0,19"]
["30","optional","for U1, U2",2,"IC socket dip 28","2","ED3050-5-ND","0,33"]
[]
[]
[]
[null,"* not needed, just optional"]
[]
[null,"** The ATMEGA328P-PU needs the Arduino bootloader in it. If you can not flash it youself, then get a preprogrammed version from Ebay or an electronics shop."]