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ESPTiny402-SOT89.sch
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ESPTiny402-SOT89.sch
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "ESP-01 ATtinyx02 board"
Date "2021-07-13"
Rev "1.0"
Comp "http://www.v7f.eu"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
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U 1 1 60CDAFCF
P 6750 4650
F 0 "U1" H 6750 5165 50 0000 C CNN
F 1 "ESP-01v090" H 6750 5074 50 0000 C CNN
F 2 "ESP8266:ESP-01" H 6750 4650 50 0001 C CNN
F 3 "http://l0l.org.uk/2014/12/esp8266-modules-hardware-guide-gotta-catch-em-all/" H 6750 4650 50 0001 C CNN
1 6750 4650
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR02
U 1 1 60CDC58A
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F 0 "#PWR02" H 7700 4250 50 0001 C CNN
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F 3 "" H 7700 4500 50 0001 C CNN
1 7700 4500
-1 0 0 1
$EndComp
$Comp
L Connector:Conn_01x10_Male J1
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P 6700 3450
F 0 "J1" V 6627 3378 50 0000 C CNN
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F 2 "Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical" H 6700 3450 50 0001 C CNN
F 3 "~" H 6700 3450 50 0001 C CNN
1 6700 3450
0 -1 -1 0
$EndComp
$Comp
L Device:C C2
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P 2150 1400
F 0 "C2" H 2265 1446 50 0000 L CNN
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F 3 "~" H 2150 1400 50 0001 C CNN
1 2150 1400
1 0 0 -1
$EndComp
$Comp
L Device:LED D1
U 1 1 60CEC3FD
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F 0 "D1" V 2939 4582 50 0000 R CNN
F 1 "LED" V 2848 4582 50 0000 R CNN
F 2 "LED_SMD:LED_1206_3216Metric" H 2900 4700 50 0001 C CNN
F 3 "~" H 2900 4700 50 0001 C CNN
1 2900 4700
0 -1 -1 0
$EndComp
$Comp
L Device:R R1
U 1 1 60CEC878
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F 0 "R1" H 2970 4446 50 0000 L CNN
F 1 "220" H 2970 4355 50 0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 2830 4400 50 0001 C CNN
F 3 "~" H 2900 4400 50 0001 C CNN
1 2900 4400
1 0 0 -1
$EndComp
$Comp
L Connector:Conn_01x10_Male J2
U 1 1 60CECE1E
P 6800 2200
F 0 "J2" V 6635 2128 50 0000 C CNN
F 1 "Conn_01x10_Male" V 6726 2128 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical" H 6800 2200 50 0001 C CNN
F 3 "~" H 6800 2200 50 0001 C CNN
1 6800 2200
0 1 1 0
$EndComp
$Comp
L Regulator_Linear:MCP1700-3002E_SOT89 U3
U 1 1 60CEDF15
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F 0 "U3" V 2150 2850 50 0000 R CNN
F 1 "MCP1700" V 2100 3350 50 0000 R CNN
F 2 "Package_TO_SOT_SMD:SOT-89-3" H 2050 2700 50 0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001826D.pdf" H 2050 2900 50 0001 C CNN
1 2050 2900
0 -1 -1 0
$EndComp
$Comp
L Device:C C1
U 1 1 60CEE919
P 1600 1400
F 0 "C1" H 1715 1446 50 0000 L CNN
F 1 "1u" H 1715 1355 50 0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 1638 1250 50 0001 C CNN
F 3 "~" H 1600 1400 50 0001 C CNN
1 1600 1400
1 0 0 -1
$EndComp
$Comp
L Connector:Conn_01x04_Male J3
U 1 1 60CEFE49
P 1350 3600
F 0 "J3" H 1458 3881 50 0000 C CNN
F 1 "Conn_01x04_Male" H 1458 3790 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 1350 3600 50 0001 C CNN
F 3 "~" H 1350 3600 50 0001 C CNN
1 1350 3600
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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Connection ~ 1550 3650
Wire Wire Line
1550 3650 1550 3700
$Comp
L power:GND #PWR0101
U 1 1 60CF80DF
P 1700 3650
F 0 "#PWR0101" H 1700 3400 50 0001 C CNN
F 1 "GND" V 1705 3522 50 0000 R CNN
F 2 "" H 1700 3650 50 0001 C CNN
F 3 "" H 1700 3650 50 0001 C CNN
1 1700 3650
0 -1 -1 0
$EndComp
Wire Wire Line
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Wire Wire Line
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$Comp
L power:+BATT #PWR0102
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F 0 "#PWR0102" H 1850 3300 50 0001 C CNN
F 1 "+BATT" H 1865 3623 50 0000 C CNN
F 2 "" H 1850 3450 50 0001 C CNN
F 3 "" H 1850 3450 50 0001 C CNN
1 1850 3450
1 0 0 -1
$EndComp
Connection ~ 1850 3450
Wire Wire Line
2050 3200 2050 3350
Connection ~ 2050 3450
Wire Wire Line
2050 3450 1850 3450
$Comp
L power:GND #PWR0103
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P 2350 2900
F 0 "#PWR0103" H 2350 2650 50 0001 C CNN
F 1 "GND" V 2355 2772 50 0000 R CNN
F 2 "" H 2350 2900 50 0001 C CNN
F 3 "" H 2350 2900 50 0001 C CNN
1 2350 2900
0 -1 -1 0
$EndComp
$Comp
L power:+3V3 #PWR0104
U 1 1 60D0F4BC
P 2050 2600
F 0 "#PWR0104" H 2050 2450 50 0001 C CNN
F 1 "+3V3" H 2065 2773 50 0000 C CNN
F 2 "" H 2050 2600 50 0001 C CNN
F 3 "" H 2050 2600 50 0001 C CNN
1 2050 2600
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0106
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F 3 "" H 2150 1250 50 0001 C CNN
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1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0107
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P 2150 1550
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F 1 "GND" H 2155 1377 50 0000 C CNN
F 2 "" H 2150 1550 50 0001 C CNN
F 3 "" H 2150 1550 50 0001 C CNN
1 2150 1550
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0109
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F 3 "" H 1600 1550 50 0001 C CNN
1 1600 1550
1 0 0 -1
$EndComp
$Comp
L power:+BATT #PWR0110
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F 3 "" H 1600 1250 50 0001 C CNN
1 1600 1250
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0111
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F 2 "" H 2900 4850 50 0001 C CNN
F 3 "" H 2900 4850 50 0001 C CNN
1 2900 4850
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0112
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F 3 "" H 3800 1550 50 0001 C CNN
1 3800 1550
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0101
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F 2 "" H 3800 1250 50 0001 C CNN
F 3 "~" H 3800 1250 50 0001 C CNN
1 3800 1250
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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Text Label 7700 4700 0 50 ~ 0
SDA-A1
Text Label 7700 4600 0 50 ~ 0
SCL-A2
$Comp
L power:+3V3 #PWR0116
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F 3 "" H 5800 4800 50 0001 C CNN
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0 -1 -1 0
$EndComp
Text Label 5800 4500 2 50 ~ 0
TX
Text Label 5800 4700 2 50 ~ 0
RST
Text Label 7700 4800 0 50 ~ 0
RX
$Comp
L power:+3V3 #PWR0118
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F 3 "" H 7200 3250 50 0001 C CNN
1 7200 3250
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0119
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F 3 "" H 7200 2400 50 0001 C CNN
1 7200 2400
0 -1 -1 0
$EndComp
Text Label 7100 3250 1 50 ~ 0
RST
Text Label 7000 2400 3 50 ~ 0
RX
Text Label 7100 2400 3 50 ~ 0
TX
Text Label 6800 2400 3 50 ~ 0
SCL-A2
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A3
Text Label 6700 2400 3 50 ~ 0
UPDI
Text Label 6900 2400 3 50 ~ 0
SDA-A1
Text Label 6600 3250 1 50 ~ 0
A7
Text Label 6500 3250 1 50 ~ 0
A6
$Comp
L power:GND #PWR0120
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F 3 "" H 6300 2500 50 0001 C CNN
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0 1 1 0
$EndComp
$Comp
L power:+3V3 #PWR0121
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F 3 "" H 6300 3250 50 0001 C CNN
1 6300 3250
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0122
U 1 1 60D98913
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F 3 "" H 6400 3000 50 0001 C CNN
1 6400 3000
0 1 1 0
$EndComp
Wire Wire Line
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Wire Wire Line
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$Comp
L power:PWR_FLAG #FLG0103
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F 1 "PWR_FLAG" H 4250 1723 50 0000 C CNN
F 2 "" H 4250 1550 50 0001 C CNN
F 3 "~" H 4250 1550 50 0001 C CNN
1 4250 1550
-1 0 0 1
$EndComp
$Comp
L power:+BATT #PWR0123
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F 0 "#PWR0123" H 4250 1100 50 0001 C CNN
F 1 "+BATT" H 4265 1423 50 0000 C CNN
F 2 "" H 4250 1250 50 0001 C CNN
F 3 "" H 4250 1250 50 0001 C CNN
1 4250 1250
1 0 0 -1
$EndComp
Wire Wire Line
4250 1250 4250 1550
$Comp
L Device:R R2
U 1 1 60ECB325
P 2200 3350
F 0 "R2" V 1993 3350 50 0000 C CNN
F 1 "1M" V 2084 3350 50 0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 2130 3350 50 0001 C CNN
F 3 "~" H 2200 3350 50 0001 C CNN
1 2200 3350
0 1 1 0
$EndComp
Connection ~ 2050 3350
Wire Wire Line
2050 3350 2050 3450
$Comp
L Device:R R3
U 1 1 60ECBBB2
P 2700 3350
F 0 "R3" V 2493 3350 50 0000 C CNN
F 1 "1M" V 2584 3350 50 0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 2630 3350 50 0001 C CNN
F 3 "~" H 2700 3350 50 0001 C CNN
1 2700 3350
0 1 1 0
$EndComp
$Comp
L power:GND #PWR01
U 1 1 60ECC287
P 2850 3350
F 0 "#PWR01" H 2850 3100 50 0001 C CNN
F 1 "GND" V 2855 3222 50 0000 R CNN
F 2 "" H 2850 3350 50 0001 C CNN
F 3 "" H 2850 3350 50 0001 C CNN
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0 -1 -1 0
$EndComp
Text Label 2400 3350 0 50 ~ 0
A6
Wire Wire Line
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$Comp
L power:+3V3 #PWR03
U 1 1 60DC1CF3
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F 1 "+3V3" H 5265 1423 50 0000 C CNN
F 2 "" H 5250 1250 50 0001 C CNN
F 3 "" H 5250 1250 50 0001 C CNN
1 5250 1250
1 0 0 -1
$EndComp
$Comp
L Device:R R4
U 1 1 60DC2CEA
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F 1 "4k7" H 5320 1355 50 0000 L CNN
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F 3 "~" H 5250 1400 50 0001 C CNN
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1 0 0 -1
$EndComp
Text Label 5250 1550 3 50 ~ 0
SDA-A1
$Comp
L power:+3V3 #PWR04
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F 3 "" H 5600 1250 50 0001 C CNN
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1 0 0 -1
$EndComp
$Comp
L Device:R R5
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F 1 "4k7" H 5670 1355 50 0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 5530 1400 50 0001 C CNN
F 3 "~" H 5600 1400 50 0001 C CNN
1 5600 1400
1 0 0 -1
$EndComp
Text Label 5600 1550 3 50 ~ 0
SCL-A2
$Comp
L Jumper:SolderJumper_2_Bridged JP1
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P 3600 4350
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F 1 "SolderJumper_2" H 3600 4464 50 0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm" H 3600 4350 50 0001 C CNN
F 3 "~" H 3600 4350 50 0001 C CNN
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1 0 0 -1
$EndComp
Text Label 3750 4350 0 50 ~ 0
RST
$Comp
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F 1 "SolderJumper_2_Open" H 2700 2664 50 0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm" H 2700 2550 50 0001 C CNN
F 3 "~" H 2700 2550 50 0001 C CNN
1 2700 2550
1 0 0 -1
$EndComp
$Comp
L power:+BATT #PWR07
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F 1 "+BATT" H 2865 2723 50 0000 C CNN
F 2 "" H 2850 2550 50 0001 C CNN
F 3 "" H 2850 2550 50 0001 C CNN
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-1 0 0 1
$EndComp
$Comp
L power:+3V3 #PWR06
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F 1 "+3V3" H 2565 2723 50 0000 C CNN
F 2 "" H 2550 2550 50 0001 C CNN
F 3 "" H 2550 2550 50 0001 C CNN
1 2550 2550
-1 0 0 1
$EndComp
Text Notes 2100 2200 0 50 ~ 0
Jumper J2 connects the battery directly to\n3V3 when a regulator is not needed.
$Comp
L power:+3V3 #PWR05
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F 0 "#PWR05" H 5300 4700 50 0001 C CNN
F 1 "+3V3" V 5315 4978 50 0000 L CNN
F 2 "" H 5300 4850 50 0001 C CNN
F 3 "" H 5300 4850 50 0001 C CNN
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-1 0 0 1
$EndComp
Text Label 2900 4150 0 50 ~ 0
A7
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Wire Wire Line
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Text Label 5300 2850 0 50 ~ 0
UPDI
Text Label 5300 2950 0 50 ~ 0
SDA-A1
Text Label 5300 3050 0 50 ~ 0
SCL-A2
Text Label 5300 3150 0 50 ~ 0
A3
Text Label 5300 3250 0 50 ~ 0
A6
Text Label 5300 3350 0 50 ~ 0
A7
$Comp
L power:+3V3 #PWR0113
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F 1 "+3V3" V 4715 2678 50 0000 L CNN
F 2 "" H 4700 2550 50 0001 C CNN
F 3 "" H 4700 2550 50 0001 C CNN
1 4700 2550
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 60EDD4B8
P 4700 3750
F 0 "#PWR0114" H 4700 3500 50 0001 C CNN
F 1 "GND" H 4705 3577 50 0000 C CNN
F 2 "" H 4700 3750 50 0001 C CNN
F 3 "" H 4700 3750 50 0001 C CNN
1 4700 3750
1 0 0 -1
$EndComp
Connection ~ 5800 4600
$Comp
L MCU_Microchip_ATtiny:ATtiny402-SS U2
U 1 1 60FF5A27
P 4700 3150
F 0 "U2" H 4171 3196 50 0000 R CNN
F 1 "ATtiny402-SS" H 4171 3105 50 0000 R CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 4700 3150 50 0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny202-402-AVR-MCU-with-Core-Independent-Peripherals_and-picoPower-40001969A.pdf" H 4700 3150 50 0001 C CNN
1 4700 3150
1 0 0 -1
$EndComp
Wire Wire Line
5800 4600 5450 4600
$Comp
L MyJumper:SolderJumper_3_Bridged12 JP3
U 1 1 60EC5FD3
P 5300 4600
F 0 "JP3" V 5346 4668 50 0000 L CNN
F 1 "SolderJumper_3_Bridged12" V 5255 4668 50 0000 L CNN
F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels" H 5300 4600 50 0001 C CNN
F 3 "~" H 5300 4600 50 0001 C CNN
1 5300 4600
0 -1 -1 0
$EndComp
Text Label 7000 3250 1 50 ~ 0
SDA-A1
Text Label 6900 3250 1 50 ~ 0
SCL-A2
Wire Wire Line
6400 3050 6700 3050
Wire Wire Line
6700 3050 6700 3250
Connection ~ 6400 3050
Wire Wire Line
6400 3050 6400 3250
Wire Wire Line
6600 2900 6800 2900
Wire Wire Line
6800 2900 6800 3250
Text Label 3450 4350 0 50 ~ 0
A3
Text Label 5300 4400 0 50 ~ 0
A3
Wire Wire Line
2050 3450 2300 3450
$Comp
L Diode:BAT54S D2
U 1 1 610A1D50
P 2300 3800
F 0 "D2" H 2300 3933 50 0000 C CNN
F 1 "BAT54S" H 2300 4024 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2375 3925 50 0001 L CNN
F 3 "https://www.diodes.com/assets/Datasheets/ds11005.pdf" H 2180 3800 50 0001 C CNN
1 2300 3800
1 0 0 1
$EndComp
Wire Wire Line
2300 3450 2300 3600
Wire Wire Line
1550 3800 2000 3800
NoConn ~ 2600 3800
NoConn ~ 1100 2950
Wire Wire Line
6600 2400 6600 2900
Wire Wire Line
6500 2400 6500 2750
Wire Wire Line
6500 2900 6600 2900
Connection ~ 6600 2900
$Comp
L power:+3V3 #PWR0105
U 1 1 610F2E5D
P 6500 2750
F 0 "#PWR0105" H 6500 2600 50 0001 C CNN
F 1 "+3V3" H 6515 2923 50 0000 C CNN
F 2 "" H 6500 2750 50 0001 C CNN
F 3 "" H 6500 2750 50 0001 C CNN
1 6500 2750
0 -1 -1 0
$EndComp
Connection ~ 6500 2750
Wire Wire Line
6500 2750 6500 2900
$EndSCHEMATC