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 1700 1050
AR Path="/5F7D344F" Ref="U?"  Part="1" 
AR Path="/5F7CBB94/5F7D344F" Ref="U?"  Part="1" 
F 0 "U?" H 1700 1292 50  0000 C CNN
F 1 "AP1117-33" H 1700 1201 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 1700 1250 50  0001 C CNN
F 3 "http://www.diodes.com/datasheets/AP1117.pdf" H 1800 800 50  0001 C CNN
	1    1700 1050
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5F7D3455
P 1200 1300
AR Path="/5F7D3455" Ref="C?"  Part="1" 
AR Path="/5F7CBB94/5F7D3455" Ref="C?"  Part="1" 
F 0 "C?" H 1315 1346 50  0000 L CNN
F 1 "100n" H 1315 1255 50  0000 L CNN
F 2 "" H 1238 1150 50  0001 C CNN
F 3 "~" H 1200 1300 50  0001 C CNN
	1    1200 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 1150 2200 1050
Wire Wire Line
	2200 1050 2000 1050
Wire Wire Line
	1400 1050 1200 1050
Wire Wire Line
	1200 1050 1200 1150
Wire Wire Line
	1200 1450 1200 1550
Wire Wire Line
	1200 1550 1700 1550
Wire Wire Line
	1700 1350 1700 1550
Connection ~ 1700 1550
Wire Wire Line
	1700 1550 2200 1550
$Comp
L power:GND #PWR?
U 1 1 5F7D346A
P 1700 1650
AR Path="/5F7D346A" Ref="#PWR?"  Part="1" 
AR Path="/5F7CBB94/5F7D346A" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 1700 1400 50  0001 C CNN
F 1 "GND" H 1705 1477 50  0000 C CNN
F 2 "" H 1700 1650 50  0001 C CNN
F 3 "" H 1700 1650 50  0001 C CNN
	1    1700 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 1650 1700 1550
Wire Wire Line
	750  1050 750  950 
Connection ~ 1200 1050
$Comp
L Device:Battery_Cell BT?
U 1 1 5F7D3481
P 1700 2600
AR Path="/5F7D3481" Ref="BT?"  Part="1" 
AR Path="/5F7CBB94/5F7D3481" Ref="BT?"  Part="1" 
F 0 "BT?" H 1818 2696 50  0000 L CNN
F 1 "CR2032" H 1818 2605 50  0000 L CNN
F 2 "" V 1700 2660 50  0001 C CNN
F 3 "~" V 1700 2660 50  0001 C CNN
	1    1700 2600
	1    0    0    -1  
$EndComp
$Comp
L power:+BATT #PWR?
U 1 1 5F7D3487
P 1700 2300
AR Path="/5F7D3487" Ref="#PWR?"  Part="1" 
AR Path="/5F7CBB94/5F7D3487" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 1700 2150 50  0001 C CNN
F 1 "+BATT" H 1715 2473 50  0000 C CNN
F 2 "" H 1700 2300 50  0001 C CNN
F 3 "" H 1700 2300 50  0001 C CNN
	1    1700 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 2300 1700 2400
$Comp
L power:GND #PWR?
U 1 1 5F7D348E
P 1700 2800
AR Path="/5F7D348E" Ref="#PWR?"  Part="1" 
AR Path="/5F7CBB94/5F7D348E" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 1700 2550 50  0001 C CNN
F 1 "GND" H 1705 2627 50  0000 C CNN
F 2 "" H 1700 2800 50  0001 C CNN
F 3 "" H 1700 2800 50  0001 C CNN
	1    1700 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 2800 1700 2700
$Comp
L Device:C C?
U 1 1 5F7D3495
P 5250 1400
AR Path="/5F7D3495" Ref="C?"  Part="1" 
AR Path="/5F7CBB94/5F7D3495" Ref="C?"  Part="1" 
F 0 "C?" H 5365 1446 50  0000 L CNN
F 1 "100n" H 5365 1355 50  0000 L CNN
F 2 "" 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="#PWR?"  Part="1" 
F 0 "#PWR?" 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="#PWR?"  Part="1" 
F 0 "#PWR?" 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 1200 3450
AR Path="/5F7D34A9" Ref="#PWR?"  Part="1" 
AR Path="/5F7CBB94/5F7D34A9" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 1200 3300 50  0001 C CNN
F 1 "+3V3" H 1215 3623 50  0000 C CNN
F 2 "" H 1200 3450 50  0001 C CNN
F 3 "" H 1200 3450 50  0001 C CNN
	1    1200 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5F7D34AF
P 1450 3550
AR Path="/5F7D34AF" Ref="R?"  Part="1" 
AR Path="/5F7CBB94/5F7D34AF" Ref="R?"  Part="1" 
F 0 "R?" V 1243 3550 50  0000 C CNN
F 1 "0" V 1334 3550 50  0000 C CNN
F 2 "" V 1380 3550 50  0001 C CNN
F 3 "~" H 1450 3550 50  0001 C CNN
	1    1450 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	1300 3550 1200 3550
Wire Wire Line
	1200 3550 1200 3450
$Comp
L Device:C C?
U 1 1 5F7D34BF
P 4800 1400
AR Path="/5F7D34BF" Ref="C?"  Part="1" 
AR Path="/5F7CBB94/5F7D34BF" Ref="C?"  Part="1" 
F 0 "C?" H 4915 1446 50  0000 L CNN
F 1 "100n" H 4915 1355 50  0000 L CNN
F 2 "" 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="#PWR?"  Part="1" 
F 0 "#PWR?" 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="C?"  Part="1" 
F 0 "C?" H 4065 1446 50  0000 L CNN
F 1 "100n" H 4065 1355 50  0000 L CNN
F 2 "" 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="C?"  Part="1" 
F 0 "C?" H 4465 1446 50  0000 L CNN
F 1 "100n" H 4465 1355 50  0000 L CNN
F 2 "" 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
	2200 1550 2200 1450
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 1700 3800
AR Path="/5F7D34EF" Ref="C?"  Part="1" 
AR Path="/5F7CBB94/5F7D34EF" Ref="C?"  Part="1" 
F 0 "C?" H 1815 3846 50  0000 L CNN
F 1 "1u" H 1815 3755 50  0000 L CNN
F 2 "" H 1738 3650 50  0001 C CNN
F 3 "~" H 1700 3800 50  0001 C CNN
	1    1700 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 1550 750  1550
Wire Wire Line
	750  1550 750  1450
Connection ~ 1200 1550
Wire Wire Line
	750  1150 750  1050
Wire Wire Line
	750  1050 1200 1050
Connection ~ 750  1050
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="#PWR?"  Part="1" 
F 0 "#PWR?" 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 2600 1300
AR Path="/5F7D345B" Ref="C?"  Part="1" 
AR Path="/5F7CBB94/5F7D345B" Ref="C?"  Part="1" 
F 0 "C?" H 2715 1346 50  0000 L CNN
F 1 "100n" H 2715 1255 50  0000 L CNN
F 2 "" H 2638 1150 50  0001 C CNN
F 3 "~" H 2600 1300 50  0001 C CNN
	1    2600 1300
	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="C?"  Part="1" 
F 0 "C?" H 3665 1446 50  0000 L CNN
F 1 "100n" H 3665 1355 50  0000 L CNN
F 2 "" 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 C?
U 1 1 5F7E4819
P 750 1300
F 0 "C?" H 868 1346 50  0000 L CNN
F 1 "4.7u" H 868 1255 50  0000 L CNN
F 2 "" H 788 1150 50  0001 C CNN
F 3 "~" H 750 1300 50  0001 C CNN
	1    750  1300
	1    0    0    -1  
$EndComp
$Comp
L Device:CP C?
U 1 1 5F7E48E5
P 2200 1300
F 0 "C?" H 2318 1346 50  0000 L CNN
F 1 "4.7u" H 2318 1255 50  0000 L CNN
F 2 "" H 2238 1150 50  0001 C CNN
F 3 "~" H 2200 1300 50  0001 C CNN
	1    2200 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2600 1450 2600 1550
Wire Wire Line
	2600 1550 2200 1550
Connection ~ 2200 1550
Wire Wire Line
	2200 1050 2600 1050
Wire Wire Line
	2600 1050 2600 1150
Connection ~ 2200 1050
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="#PWR?"  Part="1" 
F 0 "#PWR?" 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="#PWR?"  Part="1" 
F 0 "#PWR?" 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 1700 3450
AR Path="/5F7FD193" Ref="#PWR?"  Part="1" 
AR Path="/5F7CBB94/5F7FD193" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 1700 3300 50  0001 C CNN
F 1 "VDDA" H 1717 3623 50  0000 C CNN
F 2 "" H 1700 3450 50  0001 C CNN
F 3 "" H 1700 3450 50  0001 C CNN
	1    1700 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 3450 1700 3550
Wire Wire Line
	1700 3550 1600 3550
Wire Notes Line
	5600 2000 5600 650 
Wire Wire Line
	1700 3650 1700 3550
Connection ~ 1700 3550
Wire Wire Line
	1700 3950 1700 4050
$Comp
L power:GND #PWR?
U 1 1 5F81C5B3
P 1700 4050
AR Path="/5F81C5B3" Ref="#PWR?"  Part="1" 
AR Path="/5F7CBB94/5F81C5B3" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 1700 3800 50  0001 C CNN
F 1 "GND" H 1705 3877 50  0000 C CNN
F 2 "" H 1700 4050 50  0001 C CNN
F 3 "" H 1700 4050 50  0001 C CNN
	1    1700 4050
	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 2600 950
AR Path="/5F82C428" Ref="#PWR?"  Part="1" 
AR Path="/5F7CBB94/5F82C428" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 2600 800 50  0001 C CNN
F 1 "+3V3" H 2615 1123 50  0000 C CNN
F 2 "" H 2600 950 50  0001 C CNN
F 3 "" H 2600 950 50  0001 C CNN
	1    2600 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	2600 950  2600 1050
Connection ~ 2600 1050
$Comp
L Device:C C?
U 1 1 5F90151D
P 5850 1400
AR Path="/5F90151D" Ref="C?"  Part="1" 
AR Path="/5F7CBB94/5F90151D" Ref="C?"  Part="1" 
F 0 "C?" H 5965 1446 50  0000 L CNN
F 1 "100n" H 5965 1355 50  0000 L CNN
F 2 "" 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="#PWR?"  Part="1" 
F 0 "#PWR?" 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="#PWR?"  Part="1" 
F 0 "#PWR?" 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 
Wire Notes Line
	3400 2000 6200 2000
Wire Notes Line
	3400 650  6200 650 
Text Notes 5700 850  0    50   ~ 0
Place close\nto CH340
$Comp
L power:+5V #PWR?
U 1 1 5F924E38
P 750 950
F 0 "#PWR?" H 750 800 50  0001 C CNN
F 1 "+5V" H 765 1123 50  0000 C CNN
F 2 "" H 750 950 50  0001 C CNN
F 3 "" H 750 950 50  0001 C CNN
	1    750  950 
	1    0    0    -1  
$EndComp
$EndSCHEMATC