EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 2 4 Title "" Date "2020-10-03" Rev "" Comp "Macrocell" Comment1 "#followtheling" Comment2 "" Comment3 "" Comment4 "Power supply" $EndDescr $Comp L Regulator_Linear:AP1117-33 U? U 1 1 5F7D344F P 1750 2700 AR Path="/5F7D344F" Ref="U?" Part="1" AR Path="/5F7CBB94/5F7D344F" Ref="U1" Part="1" F 0 "U1" H 1750 2942 50 0000 C CNN F 1 "AP1117-33" H 1750 2851 50 0000 C CNN F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 1750 2900 50 0001 C CNN F 3 "http://www.diodes.com/datasheets/AP1117.pdf" H 1850 2450 50 0001 C CNN 1 1750 2700 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 5F7D3455 P 1250 2950 AR Path="/5F7D3455" Ref="C?" Part="1" AR Path="/5F7CBB94/5F7D3455" Ref="C10" Part="1" F 0 "C10" H 1365 2996 50 0000 L CNN F 1 "100n" H 1365 2905 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 1288 2800 50 0001 C CNN F 3 "~" H 1250 2950 50 0001 C CNN 1 1250 2950 1 0 0 -1 $EndComp Wire Wire Line 2250 2800 2250 2700 Wire Wire Line 2250 2700 2050 2700 Wire Wire Line 1450 2700 1250 2700 Wire Wire Line 1250 2700 1250 2800 Wire Wire Line 1250 3100 1250 3200 Wire Wire Line 1250 3200 1750 3200 Wire Wire Line 1750 3000 1750 3200 Connection ~ 1750 3200 Wire Wire Line 1750 3200 2250 3200 $Comp L power:GND #PWR? U 1 1 5F7D346A P 1750 3300 AR Path="/5F7D346A" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D346A" Ref="#PWR022" Part="1" F 0 "#PWR022" H 1750 3050 50 0001 C CNN F 1 "GND" H 1755 3127 50 0000 C CNN F 2 "" H 1750 3300 50 0001 C CNN F 3 "" H 1750 3300 50 0001 C CNN 1 1750 3300 1 0 0 -1 $EndComp Wire Wire Line 1750 3300 1750 3200 Wire Wire Line 800 2700 800 2600 Connection ~ 1250 2700 $Comp L Device:Battery_Cell BT? U 1 1 5F7D3481 P 1750 4350 AR Path="/5F7D3481" Ref="BT?" Part="1" AR Path="/5F7CBB94/5F7D3481" Ref="BT1" Part="1" F 0 "BT1" H 1868 4446 50 0000 L CNN F 1 "CR2032" H 1868 4355 50 0000 L CNN F 2 "Battery:BatteryHolder_Keystone_1058_1x2032" V 1750 4410 50 0001 C CNN F 3 "~" V 1750 4410 50 0001 C CNN 1 1750 4350 1 0 0 -1 $EndComp $Comp L power:+BATT #PWR? U 1 1 5F7D3487 P 1750 3900 AR Path="/5F7D3487" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D3487" Ref="#PWR023" Part="1" F 0 "#PWR023" H 1750 3750 50 0001 C CNN F 1 "+BATT" H 1765 4073 50 0000 C CNN F 2 "" H 1750 3900 50 0001 C CNN F 3 "" H 1750 3900 50 0001 C CNN 1 1750 3900 1 0 0 -1 $EndComp Wire Wire Line 1750 3900 1750 4000 $Comp L power:GND #PWR? U 1 1 5F7D348E P 1750 4550 AR Path="/5F7D348E" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D348E" Ref="#PWR024" Part="1" F 0 "#PWR024" H 1750 4300 50 0001 C CNN F 1 "GND" H 1755 4377 50 0000 C CNN F 2 "" H 1750 4550 50 0001 C CNN F 3 "" H 1750 4550 50 0001 C CNN 1 1750 4550 1 0 0 -1 $EndComp Wire Wire Line 1750 4550 1750 4450 $Comp L Device:C C? U 1 1 5F7D3495 P 5250 1400 AR Path="/5F7D3495" Ref="C?" Part="1" AR Path="/5F7CBB94/5F7D3495" Ref="C5" Part="1" F 0 "C5" H 5365 1446 50 0000 L CNN F 1 "100n" H 5365 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 5288 1250 50 0001 C CNN F 3 "~" H 5250 1400 50 0001 C CNN 1 5250 1400 1 0 0 -1 $EndComp $Comp L power:+BATT #PWR? U 1 1 5F7D349B P 5250 1050 AR Path="/5F7D349B" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D349B" Ref="#PWR07" Part="1" F 0 "#PWR07" H 5250 900 50 0001 C CNN F 1 "+BATT" H 5265 1223 50 0000 C CNN F 2 "" H 5250 1050 50 0001 C CNN F 3 "" H 5250 1050 50 0001 C CNN 1 5250 1050 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 5F7D34A1 P 5250 1750 AR Path="/5F7D34A1" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D34A1" Ref="#PWR015" Part="1" F 0 "#PWR015" H 5250 1500 50 0001 C CNN F 1 "GND" H 5255 1577 50 0000 C CNN F 2 "" H 5250 1750 50 0001 C CNN F 3 "" H 5250 1750 50 0001 C CNN 1 5250 1750 1 0 0 -1 $EndComp Wire Wire Line 5250 1750 5250 1550 Wire Wire Line 5250 1250 5250 1050 $Comp L power:+3V3 #PWR? U 1 1 5F7D34A9 P 1250 5150 AR Path="/5F7D34A9" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D34A9" Ref="#PWR025" Part="1" F 0 "#PWR025" H 1250 5000 50 0001 C CNN F 1 "+3V3" H 1265 5323 50 0000 C CNN F 2 "" H 1250 5150 50 0001 C CNN F 3 "" H 1250 5150 50 0001 C CNN 1 1250 5150 1 0 0 -1 $EndComp $Comp L Device:R R? U 1 1 5F7D34AF P 1500 5250 AR Path="/5F7D34AF" Ref="R?" Part="1" AR Path="/5F7CBB94/5F7D34AF" Ref="R1" Part="1" F 0 "R1" V 1293 5250 50 0000 C CNN F 1 "0" V 1384 5250 50 0000 C CNN F 2 "Resistor_SMD:R_0603_1608Metric" V 1430 5250 50 0001 C CNN F 3 "~" H 1500 5250 50 0001 C CNN 1 1500 5250 0 1 1 0 $EndComp Wire Wire Line 1350 5250 1250 5250 Wire Wire Line 1250 5250 1250 5150 $Comp L Device:C C? U 1 1 5F7D34BF P 4800 1400 AR Path="/5F7D34BF" Ref="C?" Part="1" AR Path="/5F7CBB94/5F7D34BF" Ref="C4" Part="1" F 0 "C4" H 4915 1446 50 0000 L CNN F 1 "100n" H 4915 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 4838 1250 50 0001 C CNN F 3 "~" H 4800 1400 50 0001 C CNN 1 4800 1400 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 5F7D34CF P 4800 1750 AR Path="/5F7D34CF" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D34CF" Ref="#PWR014" Part="1" F 0 "#PWR014" H 4800 1500 50 0001 C CNN F 1 "GND" H 4805 1577 50 0000 C CNN F 2 "" H 4800 1750 50 0001 C CNN F 3 "" H 4800 1750 50 0001 C CNN 1 4800 1750 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 5F7D34D6 P 3950 1400 AR Path="/5F7D34D6" Ref="C?" Part="1" AR Path="/5F7CBB94/5F7D34D6" Ref="C2" Part="1" F 0 "C2" H 4065 1446 50 0000 L CNN F 1 "100n" H 4065 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 3988 1250 50 0001 C CNN F 3 "~" H 3950 1400 50 0001 C CNN 1 3950 1400 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 5F7D34DC P 4350 1400 AR Path="/5F7D34DC" Ref="C?" Part="1" AR Path="/5F7CBB94/5F7D34DC" Ref="C3" Part="1" F 0 "C3" H 4465 1446 50 0000 L CNN F 1 "100n" H 4465 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 4388 1250 50 0001 C CNN F 3 "~" H 4350 1400 50 0001 C CNN 1 4350 1400 1 0 0 -1 $EndComp Wire Wire Line 2250 3200 2250 3100 Wire Wire Line 4350 1550 4350 1650 Wire Wire Line 4350 1650 3950 1650 Wire Wire Line 3950 1550 3950 1650 Connection ~ 3950 1650 Wire Wire Line 3950 1650 3550 1650 Wire Wire Line 3950 1250 3950 1150 Wire Wire Line 3950 1150 3550 1150 Wire Wire Line 4350 1250 4350 1150 Connection ~ 3950 1150 $Comp L Device:C C? U 1 1 5F7D34EF P 1750 5500 AR Path="/5F7D34EF" Ref="C?" Part="1" AR Path="/5F7CBB94/5F7D34EF" Ref="C13" Part="1" F 0 "C13" H 1865 5546 50 0000 L CNN F 1 "1u" H 1865 5455 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 1788 5350 50 0001 C CNN F 3 "~" H 1750 5500 50 0001 C CNN 1 1750 5500 1 0 0 -1 $EndComp Wire Wire Line 1250 3200 800 3200 Wire Wire Line 800 3200 800 3100 Connection ~ 1250 3200 Wire Wire Line 800 2800 800 2700 Wire Wire Line 800 2700 1250 2700 Connection ~ 800 2700 Wire Wire Line 3950 1050 3950 1150 $Comp L power:+3V3 #PWR? U 1 1 5F7D3479 P 3950 1050 AR Path="/5F7D3479" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D3479" Ref="#PWR05" Part="1" F 0 "#PWR05" H 3950 900 50 0001 C CNN F 1 "+3V3" H 3965 1223 50 0000 C CNN F 2 "" H 3950 1050 50 0001 C CNN F 3 "" H 3950 1050 50 0001 C CNN 1 3950 1050 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 5F7D345B P 2650 2950 AR Path="/5F7D345B" Ref="C?" Part="1" AR Path="/5F7CBB94/5F7D345B" Ref="C12" Part="1" F 0 "C12" H 2765 2996 50 0000 L CNN F 1 "100n" H 2765 2905 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 2688 2800 50 0001 C CNN F 3 "~" H 2650 2950 50 0001 C CNN 1 2650 2950 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 5F7E167B P 3550 1400 AR Path="/5F7E167B" Ref="C?" Part="1" AR Path="/5F7CBB94/5F7E167B" Ref="C1" Part="1" F 0 "C1" H 3665 1446 50 0000 L CNN F 1 "100n" H 3665 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 3588 1250 50 0001 C CNN F 3 "~" H 3550 1400 50 0001 C CNN 1 3550 1400 1 0 0 -1 $EndComp Wire Wire Line 3550 1550 3550 1650 Wire Wire Line 3550 1250 3550 1150 $Comp L Device:CP C9 U 1 1 5F7E4819 P 800 2950 F 0 "C9" H 918 2996 50 0000 L CNN F 1 "4.7u" H 918 2905 50 0000 L CNN F 2 "Capacitor_SMD:CP_Elec_3x5.3" H 838 2800 50 0001 C CNN F 3 "~" H 800 2950 50 0001 C CNN 1 800 2950 1 0 0 -1 $EndComp $Comp L Device:CP C11 U 1 1 5F7E48E5 P 2250 2950 F 0 "C11" H 2368 2996 50 0000 L CNN F 1 "4.7u" H 2368 2905 50 0000 L CNN F 2 "Capacitor_SMD:CP_Elec_3x5.3" H 2288 2800 50 0001 C CNN F 3 "~" H 2250 2950 50 0001 C CNN 1 2250 2950 1 0 0 -1 $EndComp Wire Wire Line 2650 3100 2650 3200 Wire Wire Line 2650 3200 2250 3200 Connection ~ 2250 3200 Wire Wire Line 2250 2700 2650 2700 Wire Wire Line 2650 2700 2650 2800 Connection ~ 2250 2700 Wire Wire Line 3950 1150 4350 1150 $Comp L power:VDDA #PWR? U 1 1 5F7D34B7 P 4800 1050 AR Path="/5F7D34B7" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7D34B7" Ref="#PWR06" Part="1" F 0 "#PWR06" H 4800 900 50 0001 C CNN F 1 "VDDA" H 4817 1223 50 0000 C CNN F 2 "" H 4800 1050 50 0001 C CNN F 3 "" H 4800 1050 50 0001 C CNN 1 4800 1050 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 5F7EAB53 P 3950 1750 AR Path="/5F7EAB53" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7EAB53" Ref="#PWR013" Part="1" F 0 "#PWR013" H 3950 1500 50 0001 C CNN F 1 "GND" H 3955 1577 50 0000 C CNN F 2 "" H 3950 1750 50 0001 C CNN F 3 "" H 3950 1750 50 0001 C CNN 1 3950 1750 1 0 0 -1 $EndComp Wire Wire Line 3950 1750 3950 1650 Wire Notes Line 3400 650 3400 2000 Text Notes 4050 800 0 50 ~ 0 Place close to STM32F4 $Comp L power:VDDA #PWR? U 1 1 5F7FD193 P 1750 5150 AR Path="/5F7FD193" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F7FD193" Ref="#PWR026" Part="1" F 0 "#PWR026" H 1750 5000 50 0001 C CNN F 1 "VDDA" H 1767 5323 50 0000 C CNN F 2 "" H 1750 5150 50 0001 C CNN F 3 "" H 1750 5150 50 0001 C CNN 1 1750 5150 1 0 0 -1 $EndComp Wire Wire Line 1750 5150 1750 5250 Wire Wire Line 1750 5250 1650 5250 Wire Notes Line 5600 2000 5600 650 Wire Wire Line 1750 5350 1750 5250 Connection ~ 1750 5250 Wire Wire Line 1750 5650 1750 5750 $Comp L power:GND #PWR? U 1 1 5F81C5B3 P 1750 5750 AR Path="/5F81C5B3" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F81C5B3" Ref="#PWR027" Part="1" F 0 "#PWR027" H 1750 5500 50 0001 C CNN F 1 "GND" H 1755 5577 50 0000 C CNN F 2 "" H 1750 5750 50 0001 C CNN F 3 "" H 1750 5750 50 0001 C CNN 1 1750 5750 1 0 0 -1 $EndComp Wire Wire Line 4800 1550 4800 1750 Wire Wire Line 4800 1050 4800 1250 $Comp L power:+3V3 #PWR? U 1 1 5F82C428 P 2650 2600 AR Path="/5F82C428" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F82C428" Ref="#PWR021" Part="1" F 0 "#PWR021" H 2650 2450 50 0001 C CNN F 1 "+3V3" H 2665 2773 50 0000 C CNN F 2 "" H 2650 2600 50 0001 C CNN F 3 "" H 2650 2600 50 0001 C CNN 1 2650 2600 1 0 0 -1 $EndComp Wire Wire Line 2650 2600 2650 2700 Connection ~ 2650 2700 $Comp L Device:C C? U 1 1 5F90151D P 5850 1400 AR Path="/5F90151D" Ref="C?" Part="1" AR Path="/5F7CBB94/5F90151D" Ref="C6" Part="1" F 0 "C6" H 5965 1446 50 0000 L CNN F 1 "100n" H 5965 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 5888 1250 50 0001 C CNN F 3 "~" H 5850 1400 50 0001 C CNN 1 5850 1400 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR? U 1 1 5F90152F P 5850 1050 AR Path="/5F90152F" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F90152F" Ref="#PWR08" Part="1" F 0 "#PWR08" H 5850 900 50 0001 C CNN F 1 "+3V3" H 5865 1223 50 0000 C CNN F 2 "" H 5850 1050 50 0001 C CNN F 3 "" H 5850 1050 50 0001 C CNN 1 5850 1050 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 5F90153A P 5850 1750 AR Path="/5F90153A" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F90153A" Ref="#PWR016" Part="1" F 0 "#PWR016" H 5850 1500 50 0001 C CNN F 1 "GND" H 5855 1577 50 0000 C CNN F 2 "" H 5850 1750 50 0001 C CNN F 3 "" H 5850 1750 50 0001 C CNN 1 5850 1750 1 0 0 -1 $EndComp Wire Wire Line 5850 1050 5850 1250 Wire Wire Line 5850 1550 5850 1750 Wire Notes Line 6200 2000 6200 650 Text Notes 5700 850 0 50 ~ 0 Place close\nto CH340 $Comp L power:+5V #PWR020 U 1 1 5F924E38 P 800 2600 F 0 "#PWR020" H 800 2450 50 0001 C CNN F 1 "+5V" H 815 2773 50 0000 C CNN F 2 "" H 800 2600 50 0001 C CNN F 3 "" H 800 2600 50 0001 C CNN 1 800 2600 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 5F8C1E0D P 6400 1400 AR Path="/5F8C1E0D" Ref="C?" Part="1" AR Path="/5F7CBB94/5F8C1E0D" Ref="C7" Part="1" F 0 "C7" H 6515 1446 50 0000 L CNN F 1 "100n" H 6515 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 6438 1250 50 0001 C CNN F 3 "~" H 6400 1400 50 0001 C CNN 1 6400 1400 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR? U 1 1 5F8C2045 P 6400 1050 AR Path="/5F8C2045" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F8C2045" Ref="#PWR09" Part="1" F 0 "#PWR09" H 6400 900 50 0001 C CNN F 1 "+3V3" H 6415 1223 50 0000 C CNN F 2 "" H 6400 1050 50 0001 C CNN F 3 "" H 6400 1050 50 0001 C CNN 1 6400 1050 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 5F8C204F P 6400 1750 AR Path="/5F8C204F" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F8C204F" Ref="#PWR017" Part="1" F 0 "#PWR017" H 6400 1500 50 0001 C CNN F 1 "GND" H 6405 1577 50 0000 C CNN F 2 "" H 6400 1750 50 0001 C CNN F 3 "" H 6400 1750 50 0001 C CNN 1 6400 1750 1 0 0 -1 $EndComp Wire Wire Line 6400 1050 6400 1250 Wire Wire Line 6400 1550 6400 1750 Wire Notes Line 6750 2000 6750 650 Text Notes 6250 850 0 50 ~ 0 Place close\nto MAX3485 $Comp L Device:D_Schottky D? U 1 1 5FA5A321 P 1250 1650 AR Path="/5F8467A7/5FA5A321" Ref="D?" Part="1" AR Path="/5F7CBB94/5FA5A321" Ref="D1" Part="1" F 0 "D1" H 1250 1434 50 0000 C CNN F 1 "Schottky" H 1250 1525 50 0000 C CNN F 2 "Diode_SMD:D_0805_2012Metric" H 1250 1650 50 0001 C CNN F 3 "~" H 1250 1650 50 0001 C CNN 1 1250 1650 -1 0 0 1 $EndComp $Comp L Device:Fuse F? U 1 1 5FA5A327 P 1650 1250 AR Path="/5F8467A7/5FA5A327" Ref="F?" Part="1" AR Path="/5F7CBB94/5FA5A327" Ref="F1" Part="1" F 0 "F1" V 1453 1250 50 0000 C CNN F 1 "4A" V 1544 1250 50 0000 C CNN F 2 "Fuse:Fuse_1206_3216Metric" V 1580 1250 50 0001 C CNN F 3 "~" H 1650 1250 50 0001 C CNN 1 1650 1250 0 1 1 0 $EndComp Wire Wire Line 1800 1250 1900 1250 $Comp L power:VBUS #PWR? U 1 1 5FA5A335 P 1000 1550 AR Path="/5F8467A7/5FA5A335" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5FA5A335" Ref="#PWR012" Part="1" F 0 "#PWR012" H 1000 1400 50 0001 C CNN F 1 "VBUS" H 1015 1723 50 0000 C CNN F 2 "" H 1000 1550 50 0001 C CNN F 3 "" H 1000 1550 50 0001 C CNN 1 1000 1550 1 0 0 -1 $EndComp Wire Wire Line 1000 1550 1000 1650 Wire Wire Line 1000 1650 1100 1650 $Comp L Device:D_Zener D? U 1 1 5FA5A33D P 2100 1700 AR Path="/5F8467A7/5FA5A33D" Ref="D?" Part="1" AR Path="/5F7CBB94/5FA5A33D" Ref="D2" Part="1" F 0 "D2" V 2009 1779 50 0000 L CNN F 1 "5.6V" V 2100 1779 50 0000 L CNN F 2 "Diode_SMD:D_0805_2012Metric" H 2100 1700 50 0001 C CNN F 3 "~" H 2100 1700 50 0001 C CNN F 4 "OVP" V 2191 1779 50 0000 L CNN "Comment" 1 2100 1700 0 1 1 0 $EndComp $Comp L power:GND #PWR? U 1 1 5FA5A344 P 2100 1950 AR Path="/5F8467A7/5FA5A344" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5FA5A344" Ref="#PWR019" Part="1" F 0 "#PWR019" H 2100 1700 50 0001 C CNN F 1 "GND" H 2105 1777 50 0000 C CNN F 2 "" H 2100 1950 50 0001 C CNN F 3 "" H 2100 1950 50 0001 C CNN 1 2100 1950 1 0 0 -1 $EndComp Wire Wire Line 2100 1950 2100 1850 Text GLabel 1350 1150 1 50 Input ~ 0 VIN Wire Wire Line 1350 1150 1350 1250 Wire Wire Line 1350 1250 1500 1250 Wire Wire Line 1400 1650 1500 1650 Wire Wire Line 1900 1650 1900 1450 Wire Wire Line 2100 1550 2100 1450 Connection ~ 1900 1450 Wire Wire Line 1900 1450 1900 1250 $Comp L power:+5V #PWR? U 1 1 5FA5A32F P 2100 1100 AR Path="/5F8467A7/5FA5A32F" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5FA5A32F" Ref="#PWR011" Part="1" F 0 "#PWR011" H 2100 950 50 0001 C CNN F 1 "+5V" H 2115 1273 50 0000 C CNN F 2 "" H 2100 1100 50 0001 C CNN F 3 "" H 2100 1100 50 0001 C CNN 1 2100 1100 1 0 0 -1 $EndComp Wire Wire Line 2100 1100 2100 1450 Connection ~ 2100 1450 $Comp L power:PWR_FLAG #FLG01 U 1 1 5FBF14D4 P 2100 1450 F 0 "#FLG01" H 2100 1525 50 0001 C CNN F 1 "PWR_FLAG" V 2100 1578 50 0000 L CNN F 2 "" H 2100 1450 50 0001 C CNN F 3 "~" H 2100 1450 50 0001 C CNN 1 2100 1450 0 1 1 0 $EndComp Wire Wire Line 1900 1450 2100 1450 $Comp L power:PWR_FLAG #FLG02 U 1 1 5FBF3225 P 1750 4000 F 0 "#FLG02" H 1750 4075 50 0001 C CNN F 1 "PWR_FLAG" V 1750 4128 50 0000 L CNN F 2 "" H 1750 4000 50 0001 C CNN F 3 "~" H 1750 4000 50 0001 C CNN 1 1750 4000 0 1 1 0 $EndComp Connection ~ 1750 4000 Wire Wire Line 1750 4000 1750 4150 $Comp L power:PWR_FLAG #FLG03 U 1 1 5FBF3D20 P 1750 5250 F 0 "#FLG03" H 1750 5325 50 0001 C CNN F 1 "PWR_FLAG" V 1750 5378 50 0000 L CNN F 2 "" H 1750 5250 50 0001 C CNN F 3 "~" H 1750 5250 50 0001 C CNN 1 1750 5250 0 1 1 0 $EndComp $Comp L Device:LED D3 U 1 1 5F953F4D P 1750 6600 F 0 "D3" V 1789 6482 50 0000 R CNN F 1 "Power" V 1698 6482 50 0000 R CNN F 2 "LED_SMD:LED_0603_1608Metric" H 1750 6600 50 0001 C CNN F 3 "~" H 1750 6600 50 0001 C CNN 1 1750 6600 0 -1 -1 0 $EndComp $Comp L Device:R R2 U 1 1 5F9546EB P 1750 7000 F 0 "R2" H 1820 7046 50 0000 L CNN F 1 "R" H 1820 6955 50 0000 L CNN F 2 "Resistor_SMD:R_0603_1608Metric" V 1680 7000 50 0001 C CNN F 3 "~" H 1750 7000 50 0001 C CNN 1 1750 7000 1 0 0 -1 $EndComp Wire Wire Line 1750 6850 1750 6750 Wire Wire Line 1750 6450 1750 6350 Wire Wire Line 1750 7150 1750 7250 $Comp L power:GND #PWR? U 1 1 5F9590D7 P 1750 7250 AR Path="/5F9590D7" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F9590D7" Ref="#PWR029" Part="1" F 0 "#PWR029" H 1750 7000 50 0001 C CNN F 1 "GND" H 1755 7077 50 0000 C CNN F 2 "" H 1750 7250 50 0001 C CNN F 3 "" H 1750 7250 50 0001 C CNN 1 1750 7250 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR? U 1 1 5F959803 P 1750 6350 AR Path="/5F959803" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5F959803" Ref="#PWR028" Part="1" F 0 "#PWR028" H 1750 6200 50 0001 C CNN F 1 "+3V3" H 1765 6523 50 0000 C CNN F 2 "" H 1750 6350 50 0001 C CNN F 3 "" H 1750 6350 50 0001 C CNN 1 1750 6350 1 0 0 -1 $EndComp $Comp L Device:Polyfuse F2 U 1 1 5F9DA91D P 1650 1650 F 0 "F2" V 1425 1650 50 0000 C CNN F 1 "500mA" V 1516 1650 50 0000 C CNN F 2 "Fuse:Fuse_1206_3216Metric" H 1700 1450 50 0001 L CNN F 3 "~" H 1650 1650 50 0001 C CNN 1 1650 1650 0 1 1 0 $EndComp Wire Wire Line 1800 1650 1900 1650 $Comp L Device:C C? U 1 1 5FB9183D P 6950 1400 AR Path="/5FB9183D" Ref="C?" Part="1" AR Path="/5F7CBB94/5FB9183D" Ref="C8" Part="1" F 0 "C8" H 7065 1446 50 0000 L CNN F 1 "100n" H 7065 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 6988 1250 50 0001 C CNN F 3 "~" H 6950 1400 50 0001 C CNN 1 6950 1400 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 5FB91B93 P 6950 1750 AR Path="/5FB91B93" Ref="#PWR?" Part="1" AR Path="/5F7CBB94/5FB91B93" Ref="#PWR018" Part="1" F 0 "#PWR018" H 6950 1500 50 0001 C CNN F 1 "GND" H 6955 1577 50 0000 C CNN F 2 "" H 6950 1750 50 0001 C CNN F 3 "" H 6950 1750 50 0001 C CNN 1 6950 1750 1 0 0 -1 $EndComp Wire Wire Line 6950 1050 6950 1250 Wire Wire Line 6950 1550 6950 1750 Wire Notes Line 7300 2000 7300 650 Text Notes 6800 850 0 50 ~ 0 Place close\nto LM358 Wire Notes Line 3400 650 7300 650 Wire Notes Line 3400 2000 7300 2000 $Comp L power:VDDA #PWR010 U 1 1 5FB9EB68 P 6950 1050 F 0 "#PWR010" H 6950 900 50 0001 C CNN F 1 "VDDA" H 6967 1223 50 0000 C CNN F 2 "" H 6950 1050 50 0001 C CNN F 3 "" H 6950 1050 50 0001 C CNN 1 6950 1050 1 0 0 -1 $EndComp Text Label 1400 1650 0 50 ~ 0 VBS $Comp L power:GNDPWR #PWR0101 U 1 1 5FCBD046 P 4000 2850 F 0 "#PWR0101" H 4000 2650 50 0001 C CNN F 1 "GNDPWR" H 4004 2696 50 0000 C CNN F 2 "" H 4000 2800 50 0001 C CNN F 3 "" H 4000 2800 50 0001 C CNN 1 4000 2850 1 0 0 -1 $EndComp $Comp L Device:Net-Tie_2 NT1 U 1 1 5FCD1D1E P 3800 2750 F 0 "NT1" H 3800 2931 50 0000 C CNN F 1 "Net-Tie_2" H 3800 2840 50 0000 C CNN F 2 "NetTie:NetTie-2_SMD_Pad0.5mm" H 3800 2750 50 0001 C CNN F 3 "~" H 3800 2750 50 0001 C CNN 1 3800 2750 1 0 0 -1 $EndComp $Comp L power:GND #PWR0102 U 1 1 5FCD4267 P 3650 2850 F 0 "#PWR0102" H 3650 2600 50 0001 C CNN F 1 "GND" H 3655 2677 50 0000 C CNN F 2 "" H 3650 2850 50 0001 C CNN F 3 "" H 3650 2850 50 0001 C CNN 1 3650 2850 1 0 0 -1 $EndComp Wire Wire Line 4000 2850 4000 2750 Wire Wire Line 4000 2750 3900 2750 Wire Wire Line 3700 2750 3650 2750 Wire Wire Line 3650 2750 3650 2850 $EndSCHEMATC