EESchema Schematic File Version 2 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:special LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves LIBS:stm8s105k4t6c LIBS:stepper-cache EELAYER 27 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "12 feb 2014" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L STM8S105K4T6C U1 U 1 1 52FB03A2 P 4400 3100 F 0 "U1" H 4400 4150 60 0000 C CNN F 1 "STM8S105K4T6C" H 4450 2250 60 0000 C CNN F 2 "~" H 4400 3100 60 0000 C CNN F 3 "~" H 4400 3100 60 0000 C CNN 1 4400 3100 1 0 0 -1 $EndComp $Comp L GND #PWR01 U 1 1 52FB03EF P 2750 3200 F 0 "#PWR01" H 2750 3200 30 0001 C CNN F 1 "GND" H 2750 3130 30 0001 C CNN F 2 "" H 2750 3200 60 0000 C CNN F 3 "" H 2750 3200 60 0000 C CNN 1 2750 3200 1 0 0 -1 $EndComp Wire Wire Line 2750 3200 2750 3150 Wire Wire Line 2750 3150 3000 3150 $Comp L GND #PWR02 U 1 1 52FB0400 P 2750 2600 F 0 "#PWR02" H 2750 2600 30 0001 C CNN F 1 "GND" H 2750 2530 30 0001 C CNN F 2 "" H 2750 2600 60 0000 C CNN F 3 "" H 2750 2600 60 0000 C CNN 1 2750 2600 1 0 0 -1 $EndComp Wire Wire Line 2750 2600 2750 2550 Wire Wire Line 2750 2550 3000 2550 $Comp L C C1 U 1 1 52FB0413 P 2250 2700 F 0 "C1" H 2300 2800 50 0000 L CNN F 1 "1u" H 2300 2600 50 0000 L CNN F 2 "" H 2250 2700 60 0000 C CNN F 3 "" H 2250 2700 60 0000 C CNN 1 2250 2700 0 -1 -1 0 $EndComp $Comp L C C2 U 1 1 52FB0426 P 2250 2950 F 0 "C2" H 2300 3050 50 0000 L CNN F 1 "104" H 2300 2850 50 0000 L CNN F 2 "" H 2250 2950 60 0000 C CNN F 3 "" H 2250 2950 60 0000 C CNN 1 2250 2950 0 -1 -1 0 $EndComp Wire Wire Line 2450 2700 2850 2700 Wire Wire Line 2850 2700 2850 2650 Wire Wire Line 2850 2650 3000 2650 Wire Wire Line 3000 2750 3000 2850 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5150 60 0000 C CNN 1 1800 5150 1 0 0 -1 $EndComp Wire Wire Line 1400 5050 1800 5050 Wire Wire Line 1800 5050 1800 5150 $Comp L CONN_3 K1 U 1 1 52FB2C32 P 1050 6100 F 0 "K1" V 1000 6100 50 0000 C CNN F 1 "CONN_3" V 1100 6100 40 0000 C CNN F 2 "" H 1050 6100 60 0000 C CNN F 3 "" H 1050 6100 60 0000 C CNN 1 1050 6100 -1 0 0 1 $EndComp Text Notes 700 6400 0 60 ~ 0 All motors DIR/CLK Text Label 1400 6000 0 60 ~ 0 PD4 Text Label 1400 6100 0 60 ~ 0 PB5 $Comp L +3.3V #PWR015 U 1 1 52FB2C41 P 1850 6200 F 0 "#PWR015" H 1850 6160 30 0001 C CNN F 1 "+3.3V" H 1850 6310 30 0000 C CNN F 2 "" H 1850 6200 60 0000 C CNN F 3 "" H 1850 6200 60 0000 C CNN 1 1850 6200 1 0 0 -1 $EndComp Wire Wire Line 1400 6200 1850 6200 Text Notes 750 6000 0 60 ~ 0 CLK Text Notes 750 6100 0 60 ~ 0 DIR Text Notes 750 6250 0 60 ~ 0 VDD Text Notes 700 5050 0 60 ~ 0 GND Text Notes 700 5150 0 60 ~ 0 EN4 Text Notes 700 5250 0 60 ~ 0 EN3 Text Notes 700 5350 0 60 ~ 0 EN2 Text Notes 700 5450 0 60 ~ 0 EN1 Text Notes 700 5550 0 60 ~ 0 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