COMPONENT Qty COST TOTAL PART SUPPLIER PART NO. 10uF Tantalum Capacitor 2 $0.95 $1.90 "C1,2" TECS C3196 3mm hi-eff LED Red 4 $0.20 $0.80 "LED1,3,5,7" TECS X3010 3mm hi-eff LED Green 4 $0.30 $1.20 "LED2,4,6,8" TECS X3012 4x1K 5pin resistor Nework 1 $0.60 $0.60 R2 TECS R9222 74HTC00 1 $0.75 $0.75 U6 TECS Z2000 74HTC04 1 $0.75 $0.75 U12 TECS Z2004 74HTC32 1 $0.80 $0.80 U5 TECS Z2032 74HTC138 1 $1.50 $1.50 U4 TECS Z2138 74HTC245 1 $2.95 $2.95 U8 TECS Z2245 74HTC374 2 $2.40 $4.80 "U3,7,9" TECS Z2374 SHUNT 2 $0.16 $0.32 JAYCAR HM-3240 L293D H-bridge 2 $6.00 $12.00 "U10,11" Vimcom 8x10K 9pin resistor Network 1 $0.70 $0.70 R1 TECS R9534 UCN5804 Stepper IC 2 "U1,2" 16pin IC socket 4 $0.30 $1.20 TECS P4016 36pin Male header 3 $0.00 36pin Female header 3 $0.00 2pos Termial block 1 $0.75 $0.75 TECS H1882 Motor Driver Board 1 $13.00 $13.00 TOTAL COST $44.02 "6 X 8PIN, 2 X 6PIN, 1 X 12PIN" "Don't need U1,U2,U3, K4,K2"