@ -1,6 +1,6 @@
EESchema Schematic File Version 4
LIBS:ulx3s-cache
EELAYER 26 0
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
@ -14,180 +14,163 @@ Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text GLabel 7100 4500 3 60 Input ~ 0
Text GLabel 7550 2650 2 60 Input ~ 0
SD_D0
Text GLabel 7550 4000 2 60 Input ~ 0
SD_D1
Text GLabel 6300 4500 3 60 Input ~ 0
Text GLabel 7550 3150 2 60 Input ~ 0
SD_D3
Text GLabel 7000 4500 3 60 Input ~ 0
Text GLabel 7550 3350 2 60 Input ~ 0
SD_CMD
Text GLabel 5700 3950 0 60 Input ~ 0
Text GLabel 7550 3250 2 60 Input ~ 0
SD_CLK
Text GLabel 5700 4050 0 60 Input ~ 0
Text GLabel 7550 3050 2 60 Input ~ 0
SD_D2
Text GLabel 7550 320 0 2 60 Input ~ 0
Text GLabel 9050 275 0 2 60 Input ~ 0
WIFI_RXD
Text GLabel 7550 310 0 2 60 Input ~ 0
Text GLabel 9050 255 0 2 60 Input ~ 0
WIFI_TXD
Text GLabel 7550 410 0 2 60 Input ~ 0
Text GLabel 7550 245 0 2 60 Input ~ 0
WIFI_GPIO0
Text GLabel 7550 290 0 2 60 Input ~ 0
Text GLabel 7550 405 0 2 60 Input ~ 0
JTAG_TDI
Text GLabel 7550 350 0 2 60 Input ~ 0
Text GLabel 7550 37 50 2 60 Input ~ 0
JTAG_TDO
Text GLabel 7550 360 0 2 60 Input ~ 0
Text GLabel 7550 365 0 2 60 Input ~ 0
JTAG_TCK
Text GLabel 7550 330 0 2 60 Input ~ 0
Text GLabel 7550 385 0 2 60 Input ~ 0
JTAG_TMS
$Comp
L esp-wroom32 :ESP-WROOM32 U9
L RF_Modul e:ESP32 -WROOM- 32 U9
U 1 1 58E5662B
P 6650 34 50
F 0 "U9" H 5950 47 00 60 0000 C CNN
F 1 "ESP32-WROOM" H 6950 47 00 60 0000 C CNN
F 2 "ESP32:ESP32-WROOM-stencil" H 7000 48 00 60 0001 C CNN
F 3 "http://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf" H 6200 39 00 60 0001 C CNN
F 4 "espressif.com" H 6650 34 50 60 0001 C CNN "MNF1_URL"
F 5 "ESP-WROOM-32" H 6650 34 50 60 0001 C CNN "MPN"
F 6 "356-ESP-WROOM-32 " H 6650 34 50 50 0001 C CNN "Mouser"
F 7 "3.32€" H 6650 34 50 50 0001 C CNN "price100_Mouser"
F 8 "1904-1010-1-ND" H 6650 34 50 50 0001 C CNN "Digikey"
F 9 "Leave empty" H 6650 34 50 50 0001 C CNN "LowCost"
F 10 "FU001" H 6650 34 50 50 0001 C CNN "Koncar"
1 6650 34 50
P 6650 36 50
F 0 "U9" H 6200 50 00 60 0000 C CNN
F 1 "ESP32-WROOM" H 7050 50 00 60 0000 C CNN
F 2 "ESP32:ESP32-WROOM-stencil" H 7000 50 00 60 0001 C CNN
F 3 "http://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf" H 6200 41 00 60 0001 C CNN
F 4 "espressif.com" H 6650 36 50 60 0001 C CNN "MNF1_URL"
F 5 "ESP-WROOM-32" H 6650 36 50 60 0001 C CNN "MPN"
F 6 "356-ESP-WROOM-32 " H 6650 36 50 50 0001 C CNN "Mouser"
F 7 "3.32€" H 6650 36 50 50 0001 C CNN "price100_Mouser"
F 8 "1904-1010-1-ND" H 6650 36 50 50 0001 C CNN "Digikey"
F 9 "Leave empty" H 6650 36 50 50 0001 C CNN "LowCost"
F 10 "FU001" H 6650 36 50 50 0001 C CNN "Koncar"
1 6650 36 50
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0120
U 1 1 58E56E8D
P 5300 2750
F 0 "#PWR0120" H 5300 2500 50 0001 C CNN
F 1 "GND" H 5300 2600 50 0000 C CNN
F 2 "" H 5300 2750 50 0000 C CNN
F 3 "" H 5300 2750 50 0000 C CNN
1 5300 2750
0 1 1 0
$EndComp
$Comp
L power:+3V3 #PWR0119
U 1 1 58E56EA3
P 5150 28 50
F 0 "#PWR0119" H 5150 27 00 50 0001 C CNN
F 1 "+3V3" H 5150 29 90 50 0000 C CNN
F 2 "" H 5150 28 50 50 0000 C CNN
F 3 "" H 5150 28 50 50 0000 C CNN
1 5150 28 50
0 -1 -1 0
P 6650 2250
F 0 "#PWR0119" H 6650 2100 50 0001 C CNN
F 1 "+3V3" H 6650 2390 50 0000 C CNN
F 2 "" H 6650 2250 50 0000 C CNN
F 3 "" H 6650 2250 50 0000 C CNN
1 6650 2250
1 0 0 -1
$EndComp
Wire Wire Line
5300 2750 5700 2750
Wire Wire Line
5150 2850 5700 2850
$Comp
L power:+3V3 #PWR0117
U 1 1 58ED6C57
P 4550 22 00
F 0 "#PWR0117" H 4550 20 50 50 0001 C CNN
F 1 "+3V3" H 4550 23 40 50 0000 C CNN
F 2 "" H 4550 22 00 50 0000 C CNN
F 3 "" H 4550 22 00 50 0000 C CNN
1 4550 22 00
P 4900 1700
F 0 "#PWR0117" H 4900 15 50 50 0001 C CNN
F 1 "+3V3" H 4900 18 40 50 0000 C CNN
F 2 "" H 4900 17 00 50 0000 C CNN
F 3 "" H 4900 17 00 50 0000 C CNN
1 4900 17 00
1 0 0 -1
$EndComp
$Comp
L Device:R R34
U 1 1 58ED6C6D
P 4550 23 50
F 0 "R34" V 4630 23 50 50 0000 C CNN
F 1 "15k" V 4550 23 50 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4480 23 50 50 0001 C CNN
F 3 "" H 4550 23 50 50 0000 C CNN
1 4550 23 50
P 4900 18 50
F 0 "R34" V 4980 18 50 50 0000 C CNN
F 1 "15k" V 4900 18 50 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4830 18 50 50 0001 C CNN
F 3 "" H 4900 18 50 50 0000 C CNN
1 4900 18 50
1 0 0 -1
$EndComp
Text GLabel 4700 25 50 2 60 Input ~ 0
Text GLabel 5050 20 50 2 60 Input ~ 0
WIFI_EN
Wire Wire Line
4550 2500 4550 25 50
4900 2000 4900 20 50
Wire Wire Line
4550 2550 4700 25 50
Connection ~ 4550 25 50
4900 2050 5050 20 50
Connection ~ 4900 20 50
$Comp
L power:GND #PWR0118
U 1 1 58EE2982
P 4550 35 00
F 0 "#PWR0118" H 4550 32 50 50 0001 C CNN
F 1 "GND" H 4550 33 50 50 0000 C CNN
F 2 "" H 4550 35 00 50 0000 C CNN
F 3 "" H 4550 35 00 50 0000 C CNN
1 4550 35 00
P 4900 30 00
F 0 "#PWR0118" H 4900 27 50 50 0001 C CNN
F 1 "GND" H 4900 28 50 50 0000 C CNN
F 2 "" H 4900 30 00 50 0000 C CNN
F 3 "" H 4900 30 00 50 0000 C CNN
1 4900 30 00
1 0 0 -1
$EndComp
$Comp
L Connector_Generic:Conn_02x01 J3
U 1 1 58EE29FF
P 4550 33 00
F 0 "J3" H 4600 34 00 50 0000 C CNN
F 1 "WIFI_OFF" H 4600 32 00 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 4550 21 00 50 0001 C CNN
F 3 "" H 4550 21 00 50 0000 C CNN
F 4 "Leave empty" H 4550 33 00 60 0001 C CNN "Note"
F 5 "T" H 4550 33 00 50 0001 C CNN "Side"
1 4550 33 00
P 4900 28 00
F 0 "J3" H 4950 29 00 50 0000 C CNN
F 1 "WIFI_OFF" H 4950 27 00 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 4900 16 00 50 0001 C CNN
F 3 "" H 4900 16 00 50 0000 C CNN
F 4 "Leave empty" H 4900 28 00 60 0001 C CNN "Note"
F 5 "T" H 4900 28 00 50 0001 C CNN "Side"
1 4900 28 00
0 -1 -1 0
$EndComp
Text Notes 8500 33 00 0 60 ~ 0
Text Notes 9650 27 00 0 60 ~ 0
Programming pins:\nTXD RXD EN GPIO0
$Comp
L Device:R R35
U 1 1 58FD4C5D
P 4550 27 50
F 0 "R35" V 4630 27 50 50 0000 C CNN
F 1 "549" V 4550 27 50 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4480 27 50 50 0001 C CNN
F 3 "" H 4550 27 50 50 0000 C CNN
1 4550 27 50
P 4900 22 50
F 0 "R35" V 4980 22 50 50 0000 C CNN
F 1 "549" V 4900 22 50 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4830 22 50 50 0001 C CNN
F 3 "" H 4900 22 50 50 0000 C CNN
1 4900 22 50
1 0 0 -1
$EndComp
$Comp
L Device:C C21
U 1 1 5924A09B
P 3650 31 00
F 0 "C21" H 3675 32 00 50 0000 L CNN
F 1 "22uF" H 3675 30 00 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3688 29 50 50 0001 C CNN
F 3 "" H 3650 31 00 50 0000 C CNN
F 4 "www.yageo.com" H 3650 31 00 50 0001 C CNN "MNF1_URL"
F 5 "CC0805ZKY5V5BB226" H 3650 31 00 50 0001 C CNN "MPN"
1 3650 31 00
P 4900 38 00
F 0 "C21" H 4925 39 00 50 0000 L CNN
F 1 "22uF" H 4925 37 00 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4938 36 50 50 0001 C CNN
F 3 "" H 4900 38 00 50 0000 C CNN
F 4 "www.yageo.com" H 4900 38 00 50 0001 C CNN "MNF1_URL"
F 5 "CC0805ZKY5V5BB226" H 4900 38 00 50 0001 C CNN "MPN"
1 4900 38 00
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0115
U 1 1 5924A1EA
P 3650 29 50
F 0 "#PWR0115" H 3650 28 00 50 0001 C CNN
F 1 "+3V3" H 3650 30 90 50 0000 C CNN
F 2 "" H 3650 29 50 50 0000 C CNN
F 3 "" H 3650 29 50 50 0000 C CNN
1 3650 29 50
P 4900 36 50
F 0 "#PWR0115" H 4900 35 00 50 0001 C CNN
F 1 "+3V3" H 4900 37 90 50 0000 C CNN
F 2 "" H 4900 36 50 50 0000 C CNN
F 3 "" H 4900 36 50 50 0000 C CNN
1 4900 36 50
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5924A206
P 3650 32 50
F 0 "#PWR0116" H 3650 30 00 50 0001 C CNN
F 1 "GND" H 3650 31 00 50 0000 C CNN
F 2 "" H 3650 32 50 50 0000 C CNN
F 3 "" H 3650 32 50 50 0000 C CNN
1 3650 32 50
P 4900 39 50
F 0 "#PWR0116" H 4900 37 00 50 0001 C CNN
F 1 "GND" H 4900 38 00 50 0000 C CNN
F 2 "" H 4900 39 50 50 0000 C CNN
F 3 "" H 4900 39 50 50 0000 C CNN
1 4900 39 50
1 0 0 -1
$EndComp
Text Notes 5900 20 50 0 60 ~ 0
Text Notes 5900 18 50 0 60 ~ 0
WiFi and SDcard connected to\nBANK6 on "usb" sheet
Text Notes 9250 465 0 0 60 ~ 0
Text Notes 8300 560 0 0 60 ~ 0
Strapping pins\n(avoid using to avoid\nboot problems)\nGPIO0,2,4,5,12,15
Text Notes 2750 5350 0 60 ~ 0
ESP32 ADC capable pins\nGPIO36,39,34,35,32,33,25,26,27,\nGPIO14,12,13,15 - shared with HSPI/JTAG\nConnected to BANK7 on "gpio" sheet
@ -197,123 +180,143 @@ Text Notes 4550 6300 0 60 ~ 0
ESP32 JTAG slave interface\nEN: TRST_N\nGPIO15: TDO\nGPIO12: TDI\nGPIO13: TCK\nGPIO14: TMS\nFLASH over JTAG\nnot yet supported.
Text Notes 2750 6000 0 60 ~ 0
ESP32 VSPI pins\nGPIO5: SS\nGPIO18: SCK\nGPIO19: MISO\nGPIO23: MOSI
Text GLabel 5700 3350 0 60 Input ~ 0
Text GLabel 7550 4750 2 60 Input ~ 0
GP13
Text GLabel 5700 3250 0 60 Input ~ 0
GN13
Text GLabel 5700 3550 0 60 Input ~ 0
Text GLabel 7550 4550 2 60 Input ~ 0
GP12
Text GLabel 5700 3450 0 60 Input ~ 0
Text GLabel 7550 4450 2 60 Input ~ 0
GN12
Text GLabel 5700 3750 0 60 Input ~ 0
Text GLabel 7550 4250 2 60 Input ~ 0
GP11
Text GLabel 5700 3650 0 60 Input ~ 0
Text GLabel 7550 4150 2 60 Input ~ 0
GN11
Text GLabel 7550 3900 2 60 Input ~ 0
WIFI_GPIO16
$Comp
L power:GND #PWR0123
U 1 1 59C1BF96
P 7650 2800
F 0 "#PWR0123" H 7650 2550 50 0001 C CNN
F 1 "GND" H 7650 2650 50 0000 C CNN
F 2 "" H 7650 2800 50 0001 C CNN
F 3 "" H 7650 2800 50 0001 C CNN
1 7650 2800
0 -1 -1 0
$EndComp
Wire Wire Line
7550 2800 7650 2800
$Comp
L power:GND #PWR0122
U 1 1 59C1BFCC
P 7650 2700
F 0 "#PWR0122" H 7650 2450 50 0001 C CNN
F 1 "GND" H 7650 2550 50 0000 C CNN
F 2 "" H 7650 2700 50 0001 C CNN
F 3 "" H 7650 2700 50 0001 C CNN
1 7650 2700
0 -1 -1 0
$EndComp
Wire Wire Line
7550 2700 7650 2700
Text GLabel 7550 3000 2 60 Input ~ 0
Text GLabel 7550 3950 2 60 Input ~ 0
PROG_DONE
Text Notes 8500 305 0 0 60 ~ 0
Text Notes 8300 4000 0 60 ~ 0
PROG_DONE on\n"flash" sheet
$Comp
L power:GND #PWR0121
U 1 1 59DEDA17
P 6200 490 0
F 0 "#PWR0121" H 6200 465 0 50 0001 C CNN
F 1 "GND" H 6200 475 0 50 0000 C CNN
F 2 "" H 6200 490 0 50 0001 C CNN
F 3 "" H 6200 490 0 50 0001 C CNN
1 6200 490 0
P 6650 5050
F 0 "#PWR0121" H 6650 4800 50 0001 C CNN
F 1 "GND" H 6650 4900 50 0000 C CNN
F 2 "" H 6650 5050 50 0001 C CNN
F 3 "" H 6650 5050 50 0001 C CNN
1 6650 5050
1 0 0 -1
$EndComp
Wire Wire Line
6200 4500 6200 4900
Wire Wire Line
4550 2900 4550 2950
Text GLabel 7550 3800 2 60 Input ~ 0
4900 2400 4900 2450
Text GLabel 7550 3550 2 60 Input ~ 0
WIFI_GPIO17
Wire Wire Line
4550 2950 5700 29 50
Text Label 5350 29 50 0 60 ~ 0
4900 2450 6050 2450
Text Label 5700 2450 0 60 ~ 0
WIFIEN
Connection ~ 4550 29 50
Connection ~ 4900 2450
Text Notes 1350 4500 0 60 ~ 0
GPIO12 probably should be held low at reset or disconnected\nother option is to burn flash voltage efuse for 3.3V operation\nfor GPIO2 and GPIO12 bootstrapping considerations, read\nhttps://github.com/espressif/esp-idf/tree/master/examples/storage/sd_card
Text Notes 1350 4800 0 60 ~ 0
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
Text Notes 1350 4000 0 60 ~ 0
SD card connected according to\nArduino->Examples->ESP32->SD_MMC_Test\nhttps://github.com/espressif/esp-idf/blob/\nmaster/examples/storage/sd_card/README.md\n
Text Notes 4500 40 00 0 60 ~ 0
Text Notes 8300 33 00 0 60 ~ 0
GN10 v1.7
Text Notes 4550 4 100 0 60 ~ 0
Text Notes 8300 3 100 0 60 ~ 0
GP9 v1.7
Text Notes 6350 5750 1 60 ~ 0
Text Notes 8300 3200 0 60 ~ 0
GN9 v1.7
Text Notes 7050 6350 1 60 ~ 0
Text Notes 8300 3400 0 60 ~ 0
WIFI_GPIO15 v1.7
Text Notes 7150 6200 1 60 ~ 0
Text Notes 8300 2700 0 60 ~ 0
WIFI_LED v1.7
Text GLabel 7550 370 0 2 60 Input ~ 0
Text GLabel 7550 295 0 2 60 Input ~ 0
WIFI_GPIO5
Text Notes 8550 375 0 0 60 ~ 0
Text Notes 8300 300 0 0 60 ~ 0
NC v1.7, LED v1.8
Text Notes 8550 385 0 0 60 ~ 0
Text Notes 8300 360 0 0 60 ~ 0
NC v1.7
Text Notes 8550 405 0 0 60 ~ 0
Text Notes 8300 290 0 0 60 ~ 0
NC v1.7
Text Notes 7350 57 00 0 60 ~ 0
Text Notes 6150 56 00 0 60 ~ 0
LED and WIFI_GPIO17\nto solder pads of PCB
Text Notes 4500 39 00 0 60 ~ 0
Text Notes 8300 44 00 0 60 ~ 0
GP10 v1.7
NoConn ~ 5700 3850
NoConn ~ 5700 3150
NoConn ~ 5700 3050
NoConn ~ 6050 2750
NoConn ~ 6050 2650
Wire Wire Line
4550 2550 4550 26 00
4900 2050 4900 21 00
Wire Wire Line
4550 2950 4550 30 00
Text Notes 4750 38 00 0 60 ~ 0
4900 2450 4900 25 00
Text Notes 8300 43 00 0 60 ~ 0
GN11 <v2.0.6
Text Notes 4750 37 00 0 60 ~ 0
Text Notes 8300 42 00 0 60 ~ 0
GP11 <v2.0.6
Text Notes 4750 3 600 0 60 ~ 0
Text Notes 8300 4 600 0 60 ~ 0
GN12 <v2.0.6
Text Notes 4750 3 500 0 60 ~ 0
Text Notes 8300 4 500 0 60 ~ 0
GP12 <v2.0.6
Text Notes 4750 34 00 0 60 ~ 0
Text Notes 8300 48 00 0 60 ~ 0
GN13 <v2.0.6
Text Notes 4750 3300 0 60 ~ 0
Wire Wire Line
7550 3150 7250 3150
Wire Wire Line
7550 2650 7250 2650
Wire Wire Line
7550 3350 7250 3350
NoConn ~ 7250 4350
NoConn ~ 6050 3850
NoConn ~ 6050 3950
NoConn ~ 6050 4150
NoConn ~ 6050 4050
NoConn ~ 6050 3650
NoConn ~ 6050 3750
Wire Wire Line
7550 4050 7250 4050
Wire Wire Line
7550 3950 7250 3950
Wire Wire Line
9050 2750 7250 2750
Wire Wire Line
9050 2550 7250 2550
Wire Wire Line
7550 3850 7250 3850
Wire Wire Line
7550 3750 7250 3750
Wire Wire Line
7550 3650 7250 3650
Wire Wire Line
7550 2950 7250 2950
Wire Wire Line
7550 3550 7250 3550
Text GLabel 7550 3450 2 60 Input ~ 0
WIFI_GPIO16
Text GLabel 7550 2850 2 60 Input ~ 0
SD_D1
Wire Wire Line
7550 3450 7250 3450
Wire Wire Line
7550 2850 7250 2850
Wire Wire Line
7550 2450 7250 2450
Text Notes 8300 4700 0 60 ~ 0
GP13 <v2.0.6
NoConn ~ 6400 4500
NoConn ~ 6500 4500
NoConn ~ 6600 4500
NoConn ~ 6700 4500
NoConn ~ 6800 4500
NoConn ~ 6900 4500
Text GLabel 7550 4650 2 60 Input ~ 0
GN13
Wire Wire Line
7550 4650 7250 4650
Wire Wire Line
7550 4750 7250 4750
Wire Wire Line
7550 4550 7250 4550
Wire Wire Line
7550 4450 7250 4450
Wire Wire Line
7550 4150 7250 4150
Wire Wire Line
7550 4250 7250 4250
Wire Wire Line
7550 3250 7250 3250
Wire Wire Line
7550 3050 7250 3050
$EndSCHEMATC