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Create initial schematics
2021-03-06 21:50:47 +01:00
EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Exchange USB-C socket with USB-micro-B I want a 100% SMD part to avoid holes in the board, and was not able to find an entirely SMD type-C connector.
2021-03-07 19:48:20 +01:00
Sheet 2 7
Create initial schematics
2021-03-06 21:50:47 +01:00
Title "Leddie"
Date "2021-03-06"
Rev "01"
Comp "Markus Koch - notsyncing.net"
Comment1 "Licensed under CC BY-SA 3.0"
Comment2 "https://l.notsyncing.net/leddie"
Comment3 ""
Comment4 "Digital Logic"
$EndDescr
$Comp
L MCU_Microchip_ATmega:ATmega328-AU U?
U 1 1 6069D7A4
P 4700 3300
F 0 "U?" H 5150 1850 50 0000 C CNN
F 1 "ATmega328-AU" H 4350 1850 50 0000 C CNN
F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 4700 3300 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 4700 3300 50 0001 C CNN
1 4700 3300
-1 0 0 -1
$EndComp
Wire Wire Line
4700 4800 4700 4900
$Comp
L power:GND #PWR?
U 1 1 60798FE0
P 4700 4900
F 0 "#PWR?" H 4700 4650 50 0001 C CNN
F 1 "GND" H 4705 4727 50 0000 C CNN
F 2 "" H 4700 4900 50 0001 C CNN
F 3 "" H 4700 4900 50 0001 C CNN
1 4700 4900
1 0 0 -1
$EndComp
Wire Wire Line
4600 1800 4600 1700
Wire Wire Line
4600 1700 4650 1700
Wire Wire Line
4700 1700 4700 1800
Wire Wire Line
4650 1700 4650 1600
Connection ~ 4650 1700
Wire Wire Line
4650 1700 4700 1700
$Comp
L Device:C C?
U 1 1 6079B78B
P 5600 2350
F 0 "C?" H 5715 2396 50 0000 L CNN
F 1 "100n" H 5715 2305 50 0000 L CNN
F 2 "" H 5638 2200 50 0001 C CNN
F 3 "~" H 5600 2350 50 0001 C CNN
1 5600 2350
1 0 0 -1
$EndComp
Wire Wire Line
5600 2200 5600 2100
Wire Wire Line
5600 2100 5300 2100
Wire Wire Line
5600 2500 5600 2600
$Comp
L power:GND #PWR?
U 1 1 6079C882
P 5600 2600
F 0 "#PWR?" H 5600 2350 50 0001 C CNN
F 1 "GND" H 5605 2427 50 0000 C CNN
F 2 "" H 5600 2600 50 0001 C CNN
F 3 "" H 5600 2600 50 0001 C CNN
1 5600 2600
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP?
U 1 1 607A0E99
P 3500 2400
F 0 "TP?" V 3550 2400 50 0000 C CNN
F 1 "MOSI" V 3500 2800 50 0000 R CNN
F 2 "" H 3700 2400 50 0001 C CNN
F 3 "~" H 3700 2400 50 0001 C CNN
1 3500 2400
0 -1 -1 0
$EndComp
$Comp
L Connector:TestPoint TP?
U 1 1 607A684C
P 3500 2500
F 0 "TP?" V 3550 2500 50 0000 C CNN
F 1 "MISO" V 3500 2900 50 0000 R CNN
F 2 "" H 3700 2500 50 0001 C CNN
F 3 "~" H 3700 2500 50 0001 C CNN
1 3500 2500
0 -1 -1 0
$EndComp
$Comp
L Connector:TestPoint TP?
U 1 1 607A6F06
P 3500 2600
F 0 "TP?" V 3550 2600 50 0000 C CNN
F 1 "SCK" V 3500 2950 50 0000 R CNN
F 2 "" H 3700 2600 50 0001 C CNN
F 3 "~" H 3700 2600 50 0001 C CNN
1 3500 2600
0 -1 -1 0
$EndComp
$Comp
L Connector:TestPoint TP?
U 1 1 607A7C9B
P 3500 2700
F 0 "TP?" V 3550 2700 50 0000 C CNN
F 1 "RST" V 3500 3050 50 0000 R CNN
F 2 "" H 3700 2700 50 0001 C CNN
F 3 "~" H 3700 2700 50 0001 C CNN
1 3500 2700
0 -1 -1 0
$EndComp
Wire Wire Line
3500 2400 4100 2400
Wire Wire Line
3500 2500 4100 2500
Wire Wire Line
3500 2600 4100 2600
Wire Wire Line
4100 3600 3400 3600
Text Label 3400 3600 0 47 ~ 0
~RESET
Wire Wire Line
3500 2700 3850 2700
Text Label 3850 2700 2 47 ~ 0
~RESET
Wire Wire Line
4100 4000 3750 4000
Text HLabel 1250 3900 0 47 BiDi ~ 0
USB_DP
Text HLabel 1250 3800 0 47 BiDi ~ 0
USB_DM
Wire Wire Line
3750 4200 4100 4200
Text Notes 4100 4000 2 47 ~ 0
INT0:
Text Notes 4100 4100 2 47 ~ 0
INT1:
Wire Wire Line
4100 4100 3750 4100
$Comp
L Device:C C?
U 1 1 607C26AA
P 5050 1350
F 0 "C?" H 5165 1396 50 0000 L CNN
F 1 "100n" H 5165 1305 50 0000 L CNN
F 2 "" H 5088 1200 50 0001 C CNN
F 3 "~" H 5050 1350 50 0001 C CNN
1 5050 1350
1 0 0 -1
$EndComp
Wire Wire Line
5050 1050 5050 1200
Wire Wire Line
5050 1500 5050 1650
$Comp
L power:GND #PWR?
U 1 1 607C3EC3
P 5050 1650
F 0 "#PWR?" H 5050 1400 50 0001 C CNN
F 1 "GND" H 5055 1477 50 0000 C CNN
F 2 "" H 5050 1650 50 0001 C CNN
F 3 "" H 5050 1650 50 0001 C CNN
1 5050 1650
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 607CD9FE
P 750 1550
F 0 "R?" H 820 1596 50 0000 L CNN
F 1 "1k" H 820 1505 50 0000 L CNN
F 2 "" V 680 1550 50 0001 C CNN
F 3 "~" H 750 1550 50 0001 C CNN
1 750 1550
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 607CDD97
P 750 1950
F 0 "R?" H 820 1996 50 0000 L CNN
F 1 "1k" H 820 1905 50 0000 L CNN
F 2 "" V 680 1950 50 0001 C CNN
F 3 "~" H 750 1950 50 0001 C CNN
1 750 1950
1 0 0 -1
$EndComp
Wire Wire Line
750 2100 750 2200
Wire Wire Line
750 1800 750 1750
Connection ~ 750 1750
Wire Wire Line
750 1750 750 1700
Text Label 1350 2200 2 47 ~ 0
~BATT_SENSE_EN
Wire Wire Line
750 2200 1350 2200
Wire Wire Line
750 1750 1350 1750
Text Label 1350 1750 2 47 ~ 0
BATT_SENSE
Text Label 3400 3000 0 47 ~ 0
BATT_SENSE
Wire Wire Line
3400 3000 4100 3000
Text Label 3400 3100 0 47 ~ 0
~BATT_SENSE_EN
Wire Wire Line
3400 3100 4100 3100
Text Notes 4100 3000 2 47 ~ 0
ADC0:
Text HLabel 3900 2200 0 50 Input ~ 0
~CHG_ACTIVE
Text HLabel 3800 2100 0 50 Output ~ 0
~VLED_EN
Wire Wire Line
3800 2100 4100 2100
Wire Wire Line
4100 2200 3900 2200
NoConn ~ 5300 2300
NoConn ~ 5300 2400
$Comp
L Connector:TestPoint TP?
U 1 1 6046398C
P 3500 3800
F 0 "TP?" V 3550 3800 50 0000 C CNN
F 1 "RX" V 3500 4100 50 0000 R CNN
F 2 "" H 3700 3800 50 0001 C CNN
F 3 "~" H 3700 3800 50 0001 C CNN
1 3500 3800
0 -1 -1 0
$EndComp
$Comp
L Connector:TestPoint TP?
U 1 1 60463A7A
P 3500 3900
F 0 "TP?" V 3550 3900 50 0000 C CNN
F 1 "TX" V 3500 4200 50 0000 R CNN
F 2 "" H 3700 3900 50 0001 C CNN
F 3 "~" H 3700 3900 50 0001 C CNN
1 3500 3900
0 -1 -1 0
$EndComp
Wire Wire Line
3500 3800 4100 3800
Wire Wire Line
3500 3900 4100 3900
Text Notes 4400 3400 0 47 ~ 0
Set pull-up
$Comp
L Sensor_Motion:MMA8653FCR1 U?
U 1 1 60475A27
P 9650 2900
F 0 "U?" H 9800 3250 50 0000 L CNN
F 1 "MMA8653FCR1" H 9700 2550 50 0000 L CNN
F 2 "Package_DFN_QFN:DFN-10_2x2mm_P0.4mm" H 9700 2450 50 0001 L CNN
F 3 "http://cache.freescale.com/files/sensors/doc/data_sheet/MMA8653FC.pdf" H 9450 2850 50 0001 C CNN
1 9650 2900
1 0 0 -1
$EndComp
Wire Wire Line
9650 2500 9650 2400
Wire Wire Line
9650 2400 9700 2400
Wire Wire Line
9750 2400 9750 2500
Wire Wire Line
9700 2400 9700 2300
Connection ~ 9700 2400
Wire Wire Line
9700 2400 9750 2400
Wire Wire Line
9450 3300 9450 3400
Wire Wire Line
9450 3400 9550 3400
Wire Wire Line
9650 3400 9650 3300
Wire Wire Line
9550 3300 9550 3400
Connection ~ 9550 3400
Wire Wire Line
9550 3400 9650 3400
Wire Wire Line
9550 3400 9550 3500
$Comp
L power:GND #PWR?
U 1 1 6047BC6A
P 9550 3500
F 0 "#PWR?" H 9550 3250 50 0001 C CNN
F 1 "GND" H 9555 3327 50 0000 C CNN
F 2 "" H 9550 3500 50 0001 C CNN
F 3 "" H 9550 3500 50 0001 C CNN
1 9550 3500
1 0 0 -1
$EndComp
Wire Wire Line
4100 3500 3400 3500
Text Label 3400 3500 0 50 ~ 0
AXL_SCL
Text Label 3400 3400 0 50 ~ 0
AXL_SDA
Wire Wire Line
3400 3400 4100 3400
Text Notes 4100 3400 2 47 ~ 0
SDA:
Text Notes 4100 3500 2 47 ~ 0
SCL:
Text Label 8850 2700 0 50 ~ 0
AXL_SDA
Text Label 8850 2800 0 50 ~ 0
AXL_SCL
Wire Wire Line
8850 2800 9250 2800
Wire Wire Line
9250 2700 8850 2700
Wire Wire Line
9000 2900 9250 2900
Wire Wire Line
10050 2900 10400 2900
Text Label 10400 2900 2 50 ~ 0
AXL_INT1
Wire Wire Line
10050 3000 10400 3000
Text Label 10400 3000 2 50 ~ 0
AXL_INT2
Wire Wire Line
4100 3300 4000 3300
Text Label 3400 3300 0 50 ~ 0
AXL_EN
Text Label 7400 3400 0 50 ~ 0
AXL_SDA
Text Label 7400 3500 0 50 ~ 0
AXL_SCL
$Comp
L Device:R R?
U 1 1 604C8E82
P 7850 3150
F 0 "R?" H 7920 3196 50 0000 L CNN
F 1 "4k7" H 7920 3105 50 0000 L CNN
F 2 "" V 7780 3150 50 0001 C CNN
F 3 "~" H 7850 3150 50 0001 C CNN
1 7850 3150
1 0 0 -1
$EndComp
Wire Wire Line
7850 3300 7850 3400
Wire Wire Line
7400 3400 7850 3400
$Comp
L Device:R R?
U 1 1 604CA988
P 8150 3150
F 0 "R?" H 8220 3196 50 0000 L CNN
F 1 "4k7" H 8220 3105 50 0000 L CNN
F 2 "" V 8080 3150 50 0001 C CNN
F 3 "~" H 8150 3150 50 0001 C CNN
1 8150 3150
1 0 0 -1
$EndComp
Wire Wire Line
8150 3300 8150 3500
Wire Wire Line
7400 3500 8150 3500
Wire Wire Line
7850 3000 7850 2900
Wire Wire Line
7850 2900 8000 2900
Wire Wire Line
8150 2900 8150 3000
Wire Wire Line
8000 2900 8000 2800
Connection ~ 8000 2900
Wire Wire Line
8000 2900 8150 2900
Text Label 3400 4500 0 50 ~ 0
AXL_INT2
Wire Wire Line
3400 4500 4100 4500
Text Notes 4100 4500 2 47 ~ 0
PCINT23:
Text HLabel 3750 4100 0 47 Input ~ 0
~BTN
$Comp
L leddie_parts:VCPU #PWR?
U 1 1 60539910
P 5050 1050
F 0 "#PWR?" H 5050 900 50 0001 C CNN
F 1 "VCPU" H 5065 1223 50 0000 C CNN
F 2 "" H 5050 1050 50 0001 C CNN
F 3 "" H 5050 1050 50 0001 C CNN
1 5050 1050
1 0 0 -1
$EndComp
$Comp
L leddie_parts:VCPU #PWR?
U 1 1 6053A3CD
P 4650 1600
F 0 "#PWR?" H 4650 1450 50 0001 C CNN
F 1 "VCPU" H 4665 1773 50 0000 C CNN
F 2 "" H 4650 1600 50 0001 C CNN
F 3 "" H 4650 1600 50 0001 C CNN
1 4650 1600
1 0 0 -1
$EndComp
$Comp
L leddie_parts:VAUX #PWR?
U 1 1 6053C0CB
P 9700 2300
F 0 "#PWR?" H 9700 2150 50 0001 C CNN
F 1 "VAUX" H 9715 2473 50 0000 C CNN
F 2 "" H 9700 2300 50 0001 C CNN
F 3 "" H 9700 2300 50 0001 C CNN
1 9700 2300
1 0 0 -1
$EndComp
$Comp
L leddie_parts:VAUX #PWR?
U 1 1 6053C668
P 8550 2300
F 0 "#PWR?" H 8550 2150 50 0001 C CNN
F 1 "VAUX" H 8565 2473 50 0000 C CNN
F 2 "" H 8550 2300 50 0001 C CNN
F 3 "" H 8550 2300 50 0001 C CNN
1 8550 2300
1 0 0 -1
$EndComp
$Comp
L leddie_parts:VAUX #PWR?
U 1 1 6053CC44
P 8000 2300
F 0 "#PWR?" H 8000 2150 50 0001 C CNN
F 1 "VAUX" H 8015 2473 50 0000 C CNN
F 2 "" H 8000 2300 50 0001 C CNN
F 3 "" H 8000 2300 50 0001 C CNN
1 8000 2300
1 0 0 -1
$EndComp
Wire Wire Line
8000 2300 8000 2400
Text Label 7650 2400 0 50 ~ 0
AXL_EN
$Comp
L leddie_parts:VAUX #PWR?
U 1 1 605448F4
P 8000 2800
F 0 "#PWR?" H 8000 2650 50 0001 C CNN
F 1 "VAUX" H 8015 2973 50 0000 C CNN
F 2 "" H 8000 2800 50 0001 C CNN
F 3 "" H 8000 2800 50 0001 C CNN
1 8000 2800
1 0 0 -1
$EndComp
$Comp
L Device:Q_NPN_BCE Q?
U 1 1 6055E5C0
P 1850 6700
F 0 "Q?" H 2041 6746 50 0000 L CNN
F 1 "Q_NPN_BCE" H 2041 6655 50 0000 L CNN
F 2 "" H 2050 6800 50 0001 C CNN
F 3 "~" H 1850 6700 50 0001 C CNN
1 1850 6700
1 0 0 -1
$EndComp
$Sheet
S 2300 6300 550 200
U 606A056C
F0 "led_substring_digital" 47
F1 "led_substring.sch" 47
F2 "DOUT" O R 2850 6400 47
F3 "DIN" I L 2300 6400 47
$EndSheet
$Comp
L Device:R R?
U 1 1 605638B8
P 1950 6150
F 0 "R?" H 2020 6196 50 0000 L CNN
F 1 "10k" H 2020 6105 50 0000 L CNN
F 2 "" V 1880 6150 50 0001 C CNN
F 3 "~" H 1950 6150 50 0001 C CNN
1 1950 6150
1 0 0 -1
$EndComp
Wire Wire Line
1950 6300 1950 6400
Wire Wire Line
1950 6000 1950 5850
$Comp
L leddie_parts:VLED #PWR?
U 1 1 6056719F
P 1950 5850
F 0 "#PWR?" H 1950 5700 50 0001 C CNN
F 1 "VLED" H 1965 6023 50 0000 C CNN
F 2 "" H 1950 5850 50 0001 C CNN
F 3 "" H 1950 5850 50 0001 C CNN
1 1950 5850
1 0 0 -1
$EndComp
Wire Wire Line
1950 6400 2300 6400
Connection ~ 1950 6400
Wire Wire Line
1950 6400 1950 6500
Wire Wire Line
1950 6900 1950 7000
$Comp
L power:GND #PWR?
U 1 1 60571E56
P 1950 7000
F 0 "#PWR?" H 1950 6750 50 0001 C CNN
F 1 "GND" H 1955 6827 50 0000 C CNN
F 2 "" H 1950 7000 50 0001 C CNN
F 3 "" H 1950 7000 50 0001 C CNN
1 1950 7000
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 6057230C
P 1400 6700
F 0 "R?" V 1193 6700 50 0000 C CNN
F 1 "10k" V 1284 6700 50 0000 C CNN
F 2 "" V 1330 6700 50 0001 C CNN
F 3 "~" H 1400 6700 50 0001 C CNN
1 1400 6700
0 1 1 0
$EndComp
Wire Wire Line
1550 6700 1650 6700
Wire Wire Line
1250 6700 900 6700
Text Label 900 6700 0 50 ~ 0
LED_DIN
Text Label 3400 4300 0 50 ~ 0
LED_DIN
Wire Wire Line
3400 4300 4100 4300
Connection ~ 8000 2400
Wire Wire Line
8000 2400 7650 2400
$Comp
L power:PWR_FLAG #FLG?
U 1 1 605CF94F
P 8000 2400
F 0 "#FLG?" H 8000 2475 50 0001 C CNN
F 1 "PWR_FLAG" H 8000 2573 50 0001 C CNN
F 2 "" H 8000 2400 50 0001 C CNN
F 3 "~" H 8000 2400 50 0001 C CNN
1 8000 2400
0 1 1 0
$EndComp
Wire Wire Line
750 1300 750 1400
$Comp
L power:+BATT #PWR?
U 1 1 606073F1
P 750 900
F 0 "#PWR?" H 750 750 50 0001 C CNN
F 1 "+BATT" H 765 1073 50 0000 C CNN
F 2 "" H 750 900 50 0001 C CNN
F 3 "" H 750 900 50 0001 C CNN
1 750 900
1 0 0 -1
$EndComp
Wire Wire Line
750 900 750 1000
$Comp
L Device:D_Zener D?
U 1 1 606163B6
P 750 1150
F 0 "D?" V 704 1230 50 0000 L CNN
F 1 "2.4" V 795 1230 50 0000 L CNN
F 2 "" H 750 1150 50 0001 C CNN
F 3 "~" H 750 1150 50 0001 C CNN
1 750 1150
0 1 1 0
$EndComp
Text Notes 950 1600 0 50 ~ 0
300uA bias\n@3V
Text Notes 800 2350 0 47 ~ 0
Drive to High-Z\nin stand-by.
Text Notes 950 1250 0 50 ~ 0
MMSZ4681T1G\n(min 50uA bias)
NoConn ~ 4100 2700
NoConn ~ 4100 2800
Text Notes 4100 2600 2 47 ~ 0
SCK:
Text Notes 4100 2500 2 47 ~ 0
MISO:
Text Notes 4100 2400 2 47 ~ 0
MOSI:
$Comp
L power:GND #PWR?
U 1 1 6049EA0B
P 8550 3500
F 0 "#PWR?" H 8550 3250 50 0001 C CNN
F 1 "GND" H 8555 3327 50 0000 C CNN
F 2 "" H 8550 3500 50 0001 C CNN
F 3 "" H 8550 3500 50 0001 C CNN
1 8550 3500
1 0 0 -1
$EndComp
Wire Wire Line
8550 3300 8550 3500
Wire Wire Line
8550 2300 8550 3000
$Comp
L Device:C C?
U 1 1 60495F5D
P 8550 3150
F 0 "C?" H 8665 3196 50 0000 L CNN
F 1 "100n" H 8665 3105 50 0000 L CNN
F 2 "" H 8588 3000 50 0001 C CNN
F 3 "~" H 8550 3150 50 0001 C CNN
1 8550 3150
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60494AD9
P 9000 3500
F 0 "#PWR?" H 9000 3250 50 0001 C CNN
F 1 "GND" H 9005 3327 50 0000 C CNN
F 2 "" H 9000 3500 50 0001 C CNN
F 3 "" H 9000 3500 50 0001 C CNN
1 9000 3500
1 0 0 -1
$EndComp
Wire Wire Line
9000 3300 9000 3500
Wire Wire Line
9000 3000 9000 2900
$Comp
L Device:C C?
U 1 1 604922A2
P 9000 3150
F 0 "C?" H 9115 3196 50 0000 L CNN
F 1 "100n" H 9115 3105 50 0000 L CNN
F 2 "" H 9038 3000 50 0001 C CNN
F 3 "~" H 9000 3150 50 0001 C CNN
1 9000 3150
1 0 0 -1
$EndComp
Connection ~ 1400 3800
Wire Wire Line
1400 3800 1550 3800
Wire Wire Line
1400 3650 1400 3800
$Comp
L Device:R R?
U 1 1 606F6585
P 1400 3500
AR Path="/60699B96/606F6585" Ref="R?" Part="1"
AR Path="/60435139/606F6585" Ref="R?" Part="1"
F 0 "R?" H 1330 3454 50 0000 R CNN
F 1 "1k5" H 1330 3545 50 0000 R CNN
F 2 "" V 1330 3500 50 0001 C CNN
F 3 "~" H 1400 3500 50 0001 C CNN
1 1400 3500
-1 0 0 1
$EndComp
Wire Wire Line
1400 3350 1400 3200
$Comp
L Device:R R?
U 1 1 606F658C
P 1700 3800
F 0 "R?" V 1600 3800 50 0000 C CNN
F 1 "68" V 1700 3800 50 0000 C CNN
F 2 "" V 1630 3800 50 0001 C CNN
F 3 "~" H 1700 3800 50 0001 C CNN
1 1700 3800
0 1 1 0
$EndComp
Wire Wire Line
1250 3800 1400 3800
$Comp
L Device:R R?
U 1 1 606F6593
P 1700 3900
F 0 "R?" V 1600 3900 50 0000 C CNN
F 1 "68" V 1700 3900 50 0000 C CNN
F 2 "" V 1630 3900 50 0001 C CNN
F 3 "~" H 1700 3900 50 0001 C CNN
1 1700 3900
0 1 -1 0
$EndComp
Wire Wire Line
1250 3900 1550 3900
$Comp
L leddie_parts:VCPU #PWR?
U 1 1 60739CA3
P 1400 3200
F 0 "#PWR?" H 1400 3050 50 0001 C CNN
F 1 "VCPU" H 1415 3373 50 0000 C CNN
F 2 "" H 1400 3200 50 0001 C CNN
F 3 "" H 1400 3200 50 0001 C CNN
1 1400 3200
1 0 0 -1
$EndComp
Wire Wire Line
1850 3800 2250 3800
Text Label 2250 3800 2 50 ~ 0
MCU_DM
Text Label 2250 3900 2 50 ~ 0
MCU_DP
Wire Wire Line
2250 3900 1850 3900
Text Label 3750 4200 2 50 ~ 0
MCU_DM
Text Label 3750 4000 2 50 ~ 0
MCU_DP
Text Notes 4400 4100 0 47 ~ 0
Set pull-up
Wire Wire Line
2850 6400 2950 6400
Text HLabel 2950 6400 2 50 Output ~ 0
LED_DOUT
Text Notes 8500 2000 0 79 ~ 0
Accelerometer
Text Notes 2250 6050 0 79 ~ 0
LED level\nshifter
Text Notes 1700 3400 0 79 ~ 0
USB
Text Notes 950 950 0 79 ~ 0
Battery\nmonitoring
Text Notes 4550 1250 0 79 ~ 0
CPU
Wire Wire Line
4100 3200 4000 3200
Wire Wire Line
4000 3200 4000 3300
Connection ~ 4000 3300
Wire Wire Line
4000 3300 3400 3300
NoConn ~ 4100 2300
Text Label 3400 4400 0 50 ~ 0
AXL_INT1
Wire Wire Line
3400 4400 4100 4400
Text Notes 4100 4400 2 47 ~ 0
PCINT22:
Text Notes 4100 3900 2 47 ~ 0
TX:
Text Notes 4100 3800 2 47 ~ 0
RX:
Text Notes 3850 3600 0 50 ~ 0
RESET:
$EndSCHEMATC
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