EESchema Schematic File Version 4 EELAYER 26 0 EELAYER END $Descr A 11000 8500 encoding utf-8 Sheet 1 1 Title "Motor Driver board" Date "2019-06-14" Rev "" Comp "Dilijan Fab Lab" Comment1 "" Comment2 "" Comment3 "" Comment4 "Author: Mariam Nahapetyan" $EndDescr $Comp L MCU_Microchip_ATmega:ATmega328P-AU U1 U 1 1 5D02DCF8 P 2150 2800 F 0 "U1" H 2150 1214 50 0000 C CNN F 1 "ATmega328P-AU" H 2150 1123 50 0000 C CNN F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 2150 2800 50 0001 C CIN F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega328_P%20AVR%20MCU%20with%20picoPower%20Technology%20Data%20Sheet%2040001984A.pdf" H 2150 2800 50 0001 C CNN 1 2150 2800 1 0 0 -1 $EndComp $Comp L power:+5V #PWR0101 U 1 1 5D02DD7E P 2200 1250 F 0 "#PWR0101" H 2200 1100 50 0001 C CNN F 1 "+5V" H 2215 1423 50 0000 C CNN F 2 "" H 2200 1250 50 0001 C CNN F 3 "" H 2200 1250 50 0001 C CNN 1 2200 1250 1 0 0 -1 $EndComp Wire Wire Line 2250 1300 2250 1250 Wire Wire Line 2250 1250 2200 1250 Wire Wire Line 2150 1300 2150 1250 Wire Wire Line 2150 1250 2200 1250 Connection ~ 2200 1250 $Comp L power:GND #PWR0102 U 1 1 5D02DE1D P 2150 4450 F 0 "#PWR0102" H 2150 4200 50 0001 C CNN F 1 "GND" H 2155 4277 50 0000 C CNN F 2 "" H 2150 4450 50 0001 C CNN F 3 "" H 2150 4450 50 0001 C CNN 1 2150 4450 1 0 0 -1 $EndComp $Comp L Connector:Conn_01x04_Male J2 U 1 1 5D02E3A2 P 6350 1550 F 0 "J2" H 6322 1430 50 0000 R CNN F 1 "Motor pins(male)(Jameco Reliapro)" H 7200 1700 50 0000 R CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical" H 6350 1550 50 0001 C CNN F 3 "~" H 6350 1550 50 0001 C CNN 1 6350 1550 -1 0 0 1 $EndComp Text GLabel 6050 1400 0 50 Input ~ 0 OUT1 Text GLabel 6050 1600 0 50 Input ~ 0 OUT2 Wire Wire Line 6150 1350 6150 1400 Wire Wire Line 6150 1400 6050 1400 Connection ~ 6150 1400 Wire Wire Line 6150 1400 6150 1450 Wire Wire Line 6150 1550 6150 1600 Wire Wire Line 6150 1600 6050 1600 Connection ~ 6150 1600 Wire Wire Line 6150 1600 6150 1650 $Comp L Driver_Motor:A4953_LJ U3 U 1 1 5D02E6E4 P 4750 1700 F 0 "U3" H 4750 2278 50 0000 C CNN F 1 "A4953_LJ" H 4750 2187 50 0000 C CNN F 2 "Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.35x2.35mm" H 4750 1150 50 0001 C CNN F 3 "www.allegromicro.com/~/media/Files/Datasheets/A4952-3-Datasheet.ashx?la=en" H 4450 2050 50 0001 C CNN 1 4750 1700 1 0 0 -1 $EndComp $Comp L power:+9V #PWR0103 U 1 1 5D02E7E6 P 4750 1050 F 0 "#PWR0103" H 4750 900 50 0001 C CNN F 1 "+9V" H 4765 1223 50 0000 C CNN F 2 "" H 4750 1050 50 0001 C CNN F 3 "" H 4750 1050 50 0001 C CNN 1 4750 1050 1 0 0 -1 $EndComp Wire Wire Line 4750 1050 4750 1300 Text GLabel 5250 1500 2 50 Input ~ 0 OUT1 Text GLabel 5250 1600 2 50 Input ~ 0 OUT2 Wire Wire Line 5150 1500 5250 1500 Wire Wire Line 5150 1600 5250 1600 $Comp L power:GND #PWR0104 U 1 1 5D02EC72 P 4800 2250 F 0 "#PWR0104" H 4800 2000 50 0001 C CNN F 1 "GND" H 4805 2077 50 0000 C CNN F 2 "" H 4800 2250 50 0001 C CNN F 3 "" H 4800 2250 50 0001 C CNN 1 4800 2250 1 0 0 -1 $EndComp Wire Wire Line 4750 2100 4800 2100 Wire Wire Line 4800 2100 4800 2200 Connection ~ 4800 2100 Wire Wire Line 4800 2100 4850 2100 Wire Wire Line 5150 1700 5150 2200 Wire Wire Line 5150 2200 4800 2200 Connection ~ 4800 2200 Wire Wire Line 4800 2200 4800 2250 Text GLabel 4250 1500 0 50 Input ~ 0 IN1 Text GLabel 4250 1600 0 50 Input ~ 0 IN2 Wire Wire Line 4250 1500 4350 1500 Wire Wire Line 4250 1600 4350 1600 $Comp L power:+5V #PWR0105 U 1 1 5D02F75F P 3900 1800 F 0 "#PWR0105" H 3900 1650 50 0001 C CNN F 1 "+5V" H 3915 1973 50 0000 C CNN F 2 "" H 3900 1800 50 0001 C CNN F 3 "" H 3900 1800 50 0001 C CNN 1 3900 1800 1 0 0 -1 $EndComp Wire Wire Line 4350 1800 3900 1800 Text GLabel 2950 2500 2 50 Input ~ 0 IN1 Text GLabel 2950 2600 2 50 Input ~ 0 IN2 Wire Wire Line 2950 2500 2750 2500 Wire Wire Line 2950 2600 2750 2600 $Comp L Connector:Conn_01x06_Male J3 U 1 1 5D0311F7 P 6500 3600 F 0 "J3" H 6473 3480 50 0000 R CNN F 1 "Programming pins(Male)" H 6473 3571 50 0000 R CNN F 2 "Connector_Samtec_HLE_SMD:Samtec_HLE-103-02-xxx-DV_2x03_P2.54mm_Horizontal" H 6500 3600 50 0001 C CNN F 3 "~" H 6500 3600 50 0001 C CNN 1 6500 3600 -1 0 0 1 $EndComp $Comp L Connector:Conn_01x04_Male J1 U 1 1 5D031282 P 5650 4850 F 0 "J1" H 5622 4730 50 0000 R CNN F 1 "+9V_input_pin(Male)" H 5622 4821 50 0000 R CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical" H 5650 4850 50 0001 C CNN F 3 "~" H 5650 4850 50 0001 C CNN 1 5650 4850 -1 0 0 1 $EndComp $Comp L Device:C C2 U 1 1 5D0312E4 P 5800 2200 F 0 "C2" H 5915 2246 50 0000 L CNN F 1 "1uf" H 5915 2155 50 0000 L CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 5838 2050 50 0001 C CNN F 3 "~" H 5800 2200 50 0001 C CNN 1 5800 2200 1 0 0 -1 $EndComp $Comp L Device:C C3 U 1 1 5D031341 P 6400 2200 F 0 "C3" H 6515 2246 50 0000 L CNN F 1 "10uf" H 6515 2155 50 0000 L CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 6438 2050 50 0001 C CNN F 3 "~" H 6400 2200 50 0001 C CNN 1 6400 2200 1 0 0 -1 $EndComp $Comp L power:GND #PWR0106 U 1 1 5D031ED8 P 5100 5000 F 0 "#PWR0106" H 5100 4750 50 0001 C CNN F 1 "GND" H 5105 4827 50 0000 C CNN F 2 "" H 5100 5000 50 0001 C CNN F 3 "" H 5100 5000 50 0001 C CNN 1 5100 5000 1 0 0 -1 $EndComp Wire Wire Line 5450 4850 5450 4900 Wire Wire Line 5450 4900 5100 4900 Wire Wire Line 5100 4900 5100 5000 Connection ~ 5450 4900 Wire Wire Line 5450 4900 5450 4950 $Comp L power:+9V #PWR0107 U 1 1 5D032E57 P 5100 4700 F 0 "#PWR0107" H 5100 4550 50 0001 C CNN F 1 "+9V" H 5115 4873 50 0000 C CNN F 2 "" H 5100 4700 50 0001 C CNN F 3 "" H 5100 4700 50 0001 C CNN 1 5100 4700 1 0 0 -1 $EndComp Wire Wire Line 5450 4650 5450 4700 Wire Wire Line 5100 4700 5450 4700 Wire Wire Line 5450 4700 5450 4750 $Comp L power:GND #PWR0108 U 1 1 5D034B54 P 5950 3800 F 0 "#PWR0108" H 5950 3550 50 0001 C CNN F 1 "GND" H 5955 3627 50 0000 C CNN F 2 "" H 5950 3800 50 0001 C CNN F 3 "" H 5950 3800 50 0001 C CNN 1 5950 3800 1 0 0 -1 $EndComp Wire Wire Line 6300 3800 5950 3800 Text GLabel 6200 3700 0 50 Input ~ 0 RESET Text GLabel 6200 3600 0 50 Input ~ 0 MOSI Text GLabel 6200 3500 0 50 Input ~ 0 SCK $Comp L power:+5V #PWR0109 U 1 1 5D035313 P 5850 3400 F 0 "#PWR0109" H 5850 3250 50 0001 C CNN F 1 "+5V" H 5865 3573 50 0000 C CNN F 2 "" H 5850 3400 50 0001 C CNN F 3 "" H 5850 3400 50 0001 C CNN 1 5850 3400 1 0 0 -1 $EndComp Wire Wire Line 6300 3400 5850 3400 Text GLabel 6200 3300 0 50 Input ~ 0 MISO Wire Wire Line 6200 3300 6300 3300 Wire Wire Line 6200 3500 6300 3500 Wire Wire Line 6200 3600 6300 3600 Wire Wire Line 6200 3700 6300 3700 $Comp L power:GND #PWR0110 U 1 1 5D039CEE P 6100 2400 F 0 "#PWR0110" H 6100 2150 50 0001 C CNN F 1 "GND" H 6105 2227 50 0000 C CNN F 2 "" H 6100 2400 50 0001 C CNN F 3 "" H 6100 2400 50 0001 C CNN 1 6100 2400 1 0 0 -1 $EndComp $Comp L power:+9V #PWR0111 U 1 1 5D03A2D4 P 6100 2000 F 0 "#PWR0111" H 6100 1850 50 0001 C CNN F 1 "+9V" H 6115 2173 50 0000 C CNN F 2 "" H 6100 2000 50 0001 C CNN F 3 "" H 6100 2000 50 0001 C CNN 1 6100 2000 1 0 0 -1 $EndComp Wire Wire Line 5800 2050 6100 2050 Wire Wire Line 5800 2350 6100 2350 Wire Wire Line 6100 2400 6100 2350 Connection ~ 6100 2350 Wire Wire Line 6100 2350 6400 2350 Wire Wire Line 6100 2000 6100 2050 Connection ~ 6100 2050 Wire Wire Line 6100 2050 6400 2050 $Comp L power:+5V #PWR0112 U 1 1 5D03FEE9 P 4850 4700 F 0 "#PWR0112" H 4850 4550 50 0001 C CNN F 1 "+5V" H 4865 4873 50 0000 C CNN F 2 "" H 4850 4700 50 0001 C CNN F 3 "" H 4850 4700 50 0001 C CNN 1 4850 4700 1 0 0 -1 $EndComp $Comp L power:+9V #PWR0113 U 1 1 5D04058B P 3950 4700 F 0 "#PWR0113" H 3950 4550 50 0001 C CNN F 1 "+9V" H 3965 4873 50 0000 C CNN F 2 "" H 3950 4700 50 0001 C CNN F 3 "" H 3950 4700 50 0001 C CNN 1 3950 4700 1 0 0 -1 $EndComp $Comp L power:GND #PWR0114 U 1 1 5D041A27 P 4350 5000 F 0 "#PWR0114" H 4350 4750 50 0001 C CNN F 1 "GND" H 4355 4827 50 0000 C CNN F 2 "" H 4350 5000 50 0001 C CNN F 3 "" H 4350 5000 50 0001 C CNN 1 4350 5000 1 0 0 -1 $EndComp Text GLabel 2850 2000 2 50 Input ~ 0 MISO Wire Wire Line 2850 2000 2750 2000 Text GLabel 2850 1900 2 50 Input ~ 0 MOSI Wire Wire Line 2850 1900 2750 1900 Text GLabel 2850 2100 2 50 Input ~ 0 SCK Wire Wire Line 2850 2100 2750 2100 Text GLabel 2850 2200 2 50 Input ~ 0 XTAL1 Text GLabel 2850 2300 2 50 Input ~ 0 XTAL2 Wire Wire Line 2850 2200 2750 2200 Wire Wire Line 2850 2300 2750 2300 Text GLabel 2950 3100 2 50 Input ~ 0 RESET Wire Wire Line 2950 3100 2750 3100 Connection ~ 5450 4700 $Comp L Switch:SW_Push SW2 U 1 1 5D05962A P 7950 2150 F 0 "SW2" H 7950 2435 50 0000 C CNN F 1 "SW_Push_Up" H 7950 2344 50 0000 C CNN F 2 "Button_Switch_SMD:SW_SPST_B3SL-1002P" H 7950 2350 50 0001 C CNN F 3 "" H 7950 2350 50 0001 C CNN 1 7950 2150 1 0 0 -1 $EndComp $Comp L Switch:SW_Push SW3 U 1 1 5D0596C6 P 9500 2150 F 0 "SW3" H 9500 2435 50 0000 C CNN F 1 "SW_Push_Down" H 9500 2344 50 0000 C CNN F 2 "Button_Switch_SMD:SW_SPST_B3SL-1002P" H 9500 2350 50 0001 C CNN F 3 "" H 9500 2350 50 0001 C CNN 1 9500 2150 1 0 0 -1 $EndComp $Comp L Connector:Conn_01x03_Male J4 U 1 1 5D05C322 P 8250 1350 F 0 "J4" H 8356 1628 50 0000 C CNN F 1 "Stop Button (1)" H 8356 1537 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 8250 1350 50 0001 C CNN F 3 "~" H 8250 1350 50 0001 C CNN 1 8250 1350 -1 0 0 1 $EndComp $Comp L Connector:Conn_01x03_Male J6 U 1 1 5D05C48E P 9600 1400 F 0 "J6" H 9706 1678 50 0000 C CNN F 1 "Stop Button (2)" H 9706 1587 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 9600 1400 50 0001 C CNN F 3 "~" H 9600 1400 50 0001 C CNN 1 9600 1400 -1 0 0 1 $EndComp $Comp L power:+5V #PWR0115 U 1 1 5D0639C0 P 7800 1200 F 0 "#PWR0115" H 7800 1050 50 0001 C CNN F 1 "+5V" H 7815 1373 50 0000 C CNN F 2 "" H 7800 1200 50 0001 C CNN F 3 "" H 7800 1200 50 0001 C CNN 1 7800 1200 1 0 0 -1 $EndComp Wire Wire Line 7800 1200 7800 1250 Wire Wire Line 7800 1250 8050 1250 $Comp L power:+5V #PWR0116 U 1 1 5D06547F P 9150 1250 F 0 "#PWR0116" H 9150 1100 50 0001 C CNN F 1 "+5V" H 9165 1423 50 0000 C CNN F 2 "" H 9150 1250 50 0001 C CNN F 3 "" H 9150 1250 50 0001 C CNN 1 9150 1250 1 0 0 -1 $EndComp Wire Wire Line 9400 1300 9150 1300 Wire Wire Line 9150 1300 9150 1250 $Comp L Device:R_PHOTO R2 U 1 1 5D06AF46 P 4400 3650 F 0 "R2" H 4470 3696 50 0000 L CNN F 1 "R_PHOTO" H 4470 3605 50 0000 L CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 4450 3400 50 0001 L CNN F 3 "~" H 4400 3600 50 0001 C CNN 1 4400 3650 1 0 0 -1 $EndComp Text GLabel 7650 2150 0 50 Input ~ 0 UP_Button Text GLabel 9100 2150 0 50 Input ~ 0 Down_Button Wire Wire Line 9300 2150 9100 2150 Wire Wire Line 7750 2150 7650 2150 $Comp L power:GND #PWR0117 U 1 1 5D070C57 P 8150 2200 F 0 "#PWR0117" H 8150 1950 50 0001 C CNN F 1 "GND" H 8155 2027 50 0000 C CNN F 2 "" H 8150 2200 50 0001 C CNN F 3 "" H 8150 2200 50 0001 C CNN 1 8150 2200 1 0 0 -1 $EndComp $Comp L power:GND #PWR0118 U 1 1 5D072B3C P 9700 2250 F 0 "#PWR0118" H 9700 2000 50 0001 C CNN F 1 "GND" H 9705 2077 50 0000 C CNN F 2 "" H 9700 2250 50 0001 C CNN F 3 "" H 9700 2250 50 0001 C CNN 1 9700 2250 1 0 0 -1 $EndComp Wire Wire Line 8150 2200 8150 2150 Wire Wire Line 9700 2150 9700 2250 Text GLabel 2850 3900 2 50 Input ~ 0 Down_Button Text GLabel 2850 4000 2 50 Input ~ 0 UP_Button Text GLabel 7850 1450 0 50 Input ~ 0 STOP_Button_1 Text GLabel 9200 1500 0 50 Input ~ 0 STOP_Button_2 Wire Wire Line 9400 1500 9200 1500 Wire Wire Line 8050 1450 7850 1450 Text GLabel 2950 2800 2 50 Input ~ 0 STOP_Button_1 Text GLabel 2950 2900 2 50 Input ~ 0 STOP_Button_2 Text GLabel 4250 3800 0 50 Input ~ 0 Emitor Wire Wire Line 4250 3800 4400 3800 Text GLabel 2950 2700 2 50 Input ~ 0 Emitor $Comp L Device:R R3 U 1 1 5D0A835A P 5000 3850 F 0 "R3" V 5207 3850 50 0000 C CNN F 1 "10k" V 5116 3850 50 0000 C CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 4930 3850 50 0001 C CNN F 3 "~" H 5000 3850 50 0001 C CNN 1 5000 3850 0 -1 -1 0 $EndComp Wire Wire Line 4850 3850 4400 3850 Wire Wire Line 4400 3850 4400 3800 Connection ~ 4400 3800 $Comp L power:+5V #PWR0119 U 1 1 5D0AE471 P 4400 3350 F 0 "#PWR0119" H 4400 3200 50 0001 C CNN F 1 "+5V" H 4415 3523 50 0000 C CNN F 2 "" H 4400 3350 50 0001 C CNN F 3 "" H 4400 3350 50 0001 C CNN 1 4400 3350 1 0 0 -1 $EndComp Wire Wire Line 4400 3500 4400 3400 Wire Wire Line 5150 3400 4400 3400 Wire Wire Line 5150 3400 5150 3850 Connection ~ 4400 3400 Wire Wire Line 4400 3400 4400 3350 Wire Bus Line 9950 950 9950 2500 Wire Bus Line 9950 2500 7150 2500 Wire Bus Line 7150 2500 7150 950 Wire Bus Line 7150 950 9950 950 Text Notes 7450 900 0 118 ~ 0 Control and STOP buttons Wire Bus Line 3800 800 6850 800 Wire Bus Line 6850 800 6850 2700 Wire Bus Line 3800 800 3800 2700 Text Notes 4900 700 0 157 ~ 0 Motor Driver Wire Bus Line 5450 3050 5450 4100 Wire Bus Line 5450 4100 3850 4100 Wire Bus Line 3850 4100 3850 3050 Wire Bus Line 3850 3050 5450 3050 Text Notes 3950 2950 0 157 ~ 0 Light sensor Wire Bus Line 6550 4400 6550 5300 Wire Bus Line 3800 4400 3800 5300 Wire Bus Line 3800 4400 6550 4400 Wire Bus Line 3800 5300 6550 5300 Text Notes 4850 4350 0 157 ~ 0 Power $Comp L Connector:Conn_01x06_Male J5 U 1 1 5D0DDFBF P 8300 3700 F 0 "J5" H 8273 3580 50 0000 R CNN F 1 "FTDI pins (Male)" H 8273 3671 50 0000 R CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal" H 8300 3700 50 0001 C CNN F 3 "~" H 8300 3700 50 0001 C CNN 1 8300 3700 -1 0 0 1 $EndComp Text GLabel 2950 3400 2 59 Input ~ 0 TXD Text GLabel 2950 3300 2 59 Input ~ 0 RXD Wire Wire Line 2950 3300 2750 3300 Wire Wire Line 2950 3400 2750 3400 Wire Wire Line 2950 2700 2750 2700 Wire Wire Line 2950 2800 2750 2800 Wire Wire Line 2950 2900 2750 2900 Text GLabel 900 1250 0 50 Input ~ 0 RESET $Comp L Device:R R1 U 1 1 5D1147B7 P 1150 1250 F 0 "R1" V 1357 1250 50 0000 C CNN F 1 "10k" V 1266 1250 50 0000 C CNN F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 1080 1250 50 0001 C CNN F 3 "~" H 1150 1250 50 0001 C CNN 1 1150 1250 0 -1 -1 0 $EndComp Connection ~ 2150 1250 Wire Wire Line 1000 1250 950 1250 $Comp L Switch:SW_Push SW1 U 1 1 5D11B858 P 1150 1650 F 0 "SW1" H 1150 1935 50 0000 C CNN F 1 "Reset button" H 1150 1844 50 0000 C CNN F 2 "Button_Switch_SMD:SW_SPST_B3SL-1002P" H 1150 1850 50 0001 C CNN F 3 "" H 1150 1850 50 0001 C CNN 1 1150 1650 1 0 0 -1 $EndComp Wire Wire Line 2150 4450 2150 4400 $Comp L Device:C C1 U 1 1 5D12E841 P 1250 4200 F 0 "C1" H 1365 4246 50 0000 L CNN F 1 "100nf" H 1365 4155 50 0000 L CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 1288 4050 50 0001 C CNN F 3 "~" H 1250 4200 50 0001 C CNN 1 1250 4200 1 0 0 -1 $EndComp Wire Wire Line 2150 4400 1250 4400 Connection ~ 2150 4400 Wire Wire Line 2150 4400 2150 4300 $Comp L power:+5V #PWR0121 U 1 1 5D132EBE P 1250 4000 F 0 "#PWR0121" H 1250 3850 50 0001 C CNN F 1 "+5V" H 1265 4173 50 0000 C CNN F 2 "" H 1250 4000 50 0001 C CNN F 3 "" H 1250 4000 50 0001 C CNN 1 1250 4000 1 0 0 -1 $EndComp Wire Wire Line 1250 4000 1250 4050 Wire Wire Line 1250 4350 1250 4400 Text GLabel 8000 3800 0 59 Input ~ 0 TXD Text GLabel 8000 3700 0 59 Input ~ 0 RXD $Comp L power:+5V #PWR0122 U 1 1 5D14E348 P 7650 3900 F 0 "#PWR0122" H 7650 3750 50 0001 C CNN F 1 "+5V" H 7665 4073 50 0000 C CNN F 2 "" H 7650 3900 50 0001 C CNN F 3 "" H 7650 3900 50 0001 C CNN 1 7650 3900 1 0 0 -1 $EndComp Wire Wire Line 8100 3900 7650 3900 Wire Wire Line 8000 3700 8100 3700 Wire Wire Line 8000 3800 8100 3800 Text GLabel 8000 3500 0 50 Input ~ 0 RTS $Comp L power:GND #PWR0123 U 1 1 5D15CCCE P 7650 3400 F 0 "#PWR0123" H 7650 3150 50 0001 C CNN F 1 "GND" H 7655 3227 50 0000 C CNN F 2 "" H 7650 3400 50 0001 C CNN F 3 "" H 7650 3400 50 0001 C CNN 1 7650 3400 1 0 0 -1 $EndComp Wire Wire Line 7650 3400 8100 3400 Wire Wire Line 8000 3500 8100 3500 Text GLabel 8000 3600 0 59 Input ~ 0 DTR Wire Wire Line 8100 3600 8000 3600 Wire Bus Line 5750 3100 9100 3100 Wire Bus Line 9100 3100 9100 4150 Wire Bus Line 9100 4150 5750 4150 Wire Bus Line 5750 4150 5750 3100 Text Notes 6250 3050 0 118 ~ 0 Programming_and_FTDI_ports Wire Bus Line 3650 750 3650 4850 Wire Bus Line 3650 4850 500 4850 Wire Bus Line 500 4850 500 750 Wire Bus Line 500 750 3650 750 Text Notes 1800 700 0 157 ~ 0 MCU Wire Bus Line 6850 2700 3800 2700 Wire Wire Line 2850 3900 2750 3900 Wire Wire Line 2850 4000 2750 4000 Wire Wire Line 4650 4700 4850 4700 Wire Wire Line 4050 4700 3950 4700 $Comp L Regulator_Linear:L7805 U2 U 1 1 5D03FB76 P 4350 4700 F 0 "U2" H 4350 4942 50 0000 C CNN F 1 "L7805" H 4350 4851 50 0000 C CNN F 2 "Package_TO_SOT_SMD:SOT-23" H 4375 4550 50 0001 L CIN F 3 "http://www.st.com/content/ccc/resource/technical/document/datasheet/41/4f/b3/b0/12/d4/47/88/CD00000444.pdf/files/CD00000444.pdf/jcr:content/translations/en.CD00000444.pdf" H 4350 4650 50 0001 C CNN 1 4350 4700 1 0 0 -1 $EndComp Wire Wire Line 1300 1250 2150 1250 $Comp L power:GND #PWR0120 U 1 1 5D1247AF P 1350 1750 F 0 "#PWR0120" H 1350 1500 50 0001 C CNN F 1 "GND" H 1355 1577 50 0000 C CNN F 2 "" H 1350 1750 50 0001 C CNN F 3 "" H 1350 1750 50 0001 C CNN 1 1350 1750 1 0 0 -1 $EndComp Wire Wire Line 1350 1650 1350 1750 Wire Wire Line 950 1650 950 1250 Connection ~ 950 1250 Wire Wire Line 950 1250 900 1250 $EndSCHEMATC