@ -55,266 +55,266 @@ Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text GLabel 7300 585 0 3 60 Input ~ 0
Text GLabel 7100 450 0 3 60 Input ~ 0
SD_D0
Text GLabel 7750 535 0 2 60 Input ~ 0
Text GLabel 7550 400 0 2 60 Input ~ 0
SD_D1
Text GLabel 6500 585 0 3 60 Input ~ 0
Text GLabel 6300 450 0 3 60 Input ~ 0
SD_D3
Text GLabel 7200 585 0 3 60 Input ~ 0
Text GLabel 7000 450 0 3 60 Input ~ 0
SD_CMD
Text GLabel 5900 530 0 0 60 Input ~ 0
Text GLabel 5700 395 0 0 60 Input ~ 0
SD_CLK
Text GLabel 5900 540 0 0 60 Input ~ 0
Text GLabel 5700 405 0 0 60 Input ~ 0
SD_D2
Text GLabel 7750 455 0 2 60 Input ~ 0
Text GLabel 7550 320 0 2 60 Input ~ 0
WIFI_RXD
Text GLabel 7750 445 0 2 60 Input ~ 0
Text GLabel 7550 310 0 2 60 Input ~ 0
WIFI_TXD
Text GLabel 7750 545 0 2 60 Input ~ 0
Text GLabel 7550 410 0 2 60 Input ~ 0
WIFI_GPIO0
Text GLabel 7750 425 0 2 60 Input ~ 0
Text GLabel 7550 290 0 2 60 Input ~ 0
JTAG_TDI
Text GLabel 7750 485 0 2 60 Input ~ 0
Text GLabel 7550 350 0 2 60 Input ~ 0
JTAG_TDO
Text GLabel 7750 495 0 2 60 Input ~ 0
Text GLabel 7550 360 0 2 60 Input ~ 0
JTAG_TCK
Text GLabel 7750 465 0 2 60 Input ~ 0
Text GLabel 7550 330 0 2 60 Input ~ 0
JTAG_TMS
$Comp
L ESP-32S U9
U 1 1 58E5662B
P 6850 480 0
F 0 "U9" H 6150 605 0 60 0000 C CNN
F 1 "ESP-WROOM-32" H 7150 605 0 60 0000 C CNN
F 2 "ESP32:ESP32-WROOM" H 7200 615 0 60 0001 C CNN
F 3 "http://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf" H 6400 525 0 60 0001 C CNN
F 4 "espressif.com" H 6850 480 0 60 0001 C CNN "MFG_URL"
F 5 "ESP-WROOM-32" H 6850 480 0 60 0001 C CNN "MFG_PN"
F 6 "www.mouser.com" H 6850 480 0 60 0001 C CNN "Distributor1_URL"
F 7 "Do not install" H 6850 480 0 60 0001 C CNN "Note"
1 6850 480 0
P 6650 345 0
F 0 "U9" H 5950 470 0 60 0000 C CNN
F 1 "ESP-WROOM-32" H 6950 470 0 60 0000 C CNN
F 2 "ESP32:ESP32-WROOM" H 7000 480 0 60 0001 C CNN
F 3 "http://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf" H 6200 390 0 60 0001 C CNN
F 4 "espressif.com" H 6650 345 0 60 0001 C CNN "MFG_URL"
F 5 "ESP-WROOM-32" H 6650 345 0 60 0001 C CNN "MFG_PN"
F 6 "www.mouser.com" H 6650 345 0 60 0001 C CNN "Distributor1_URL"
F 7 "Do not install" H 6650 345 0 60 0001 C CNN "Note"
1 6650 345 0
1 0 0 -1
$EndComp
$Comp
L GND #PWR095
U 1 1 58E56E8D
P 5500 410 0
F 0 "#PWR095" H 5500 385 0 50 0001 C CNN
F 1 "GND" H 5500 395 0 50 0000 C CNN
F 2 "" H 5500 410 0 50 0000 C CNN
F 3 "" H 5500 410 0 50 0000 C CNN
1 5500 410 0
P 5300 275 0
F 0 "#PWR095" H 5300 250 0 50 0001 C CNN
F 1 "GND" H 5300 260 0 50 0000 C CNN
F 2 "" H 5300 275 0 50 0000 C CNN
F 3 "" H 5300 275 0 50 0000 C CNN
1 5300 275 0
0 1 1 0
$EndComp
$Comp
L +3V3 #PWR096
U 1 1 58E56EA3
P 5350 420 0
F 0 "#PWR096" H 5350 405 0 50 0001 C CNN
F 1 "+3V3" H 5350 434 0 50 0000 C CNN
F 2 "" H 5350 420 0 50 0000 C CNN
F 3 "" H 5350 420 0 50 0000 C CNN
1 5350 420 0
P 5150 285 0
F 0 "#PWR096" H 5150 270 0 50 0001 C CNN
F 1 "+3V3" H 5150 299 0 50 0000 C CNN
F 2 "" H 5150 285 0 50 0000 C CNN
F 3 "" H 5150 285 0 50 0000 C CNN
1 5150 285 0
0 -1 -1 0
$EndComp
Wire Wire Line
5500 4100 5900 410 0
5300 2750 5700 275 0
Wire Wire Line
5350 4200 5900 420 0
5150 2850 5700 285 0
$Comp
L +3V3 #PWR097
U 1 1 58ED6C57
P 4750 355 0
F 0 "#PWR097" H 4750 340 0 50 0001 C CNN
F 1 "+3V3" H 4750 369 0 50 0000 C CNN
F 2 "" H 4750 355 0 50 0000 C CNN
F 3 "" H 4750 355 0 50 0000 C CNN
1 4750 355 0
P 4550 220 0
F 0 "#PWR097" H 4550 205 0 50 0001 C CNN
F 1 "+3V3" H 4550 234 0 50 0000 C CNN
F 2 "" H 4550 220 0 50 0000 C CNN
F 3 "" H 4550 220 0 50 0000 C CNN
1 4550 220 0
1 0 0 -1
$EndComp
$Comp
L R R34
U 1 1 58ED6C6D
P 4750 370 0
F 0 "R34" V 4830 370 0 50 0000 C CNN
F 1 "15k" V 4750 370 0 50 0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 4680 370 0 50 0001 C CNN
F 3 "" H 4750 370 0 50 0000 C CNN
1 4750 370 0
P 4550 235 0
F 0 "R34" V 4630 235 0 50 0000 C CNN
F 1 "15k" V 4550 235 0 50 0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 4480 235 0 50 0001 C CNN
F 3 "" H 4550 235 0 50 0000 C CNN
1 4550 235 0
1 0 0 -1
$EndComp
Text GLabel 4900 390 0 2 60 Input ~ 0
Text GLabel 4700 255 0 2 60 Input ~ 0
WIFI_EN
Wire Wire Line
4750 3850 4750 395 0
4550 2500 4550 260 0
Wire Wire Line
4750 3900 4900 390 0
Connection ~ 4750 390 0
4550 2550 4700 255 0
Connection ~ 4550 255 0
$Comp
L GND #PWR098
U 1 1 58EE2982
P 4750 485 0
F 0 "#PWR098" H 4750 460 0 50 0001 C CNN
F 1 "GND" H 4750 470 0 50 0000 C CNN
F 2 "" H 4750 485 0 50 0000 C CNN
F 3 "" H 4750 485 0 50 0000 C CNN
1 4750 485 0
P 4550 350 0
F 0 "#PWR098" H 4550 325 0 50 0001 C CNN
F 1 "GND" H 4550 335 0 50 0000 C CNN
F 2 "" H 4550 350 0 50 0000 C CNN
F 3 "" H 4550 350 0 50 0000 C CNN
1 4550 350 0
1 0 0 -1
$EndComp
$Comp
L CONN_02X01 J3
U 1 1 58EE29FF
P 4750 460 0
F 0 "J3" H 4750 470 0 50 0000 C CNN
F 1 "WIFI_OFF" H 4750 450 0 50 0000 C CNN
F 2 "Socket_Strips:Socket_Strip_Straight_2x01" H 4750 340 0 50 0001 C CNN
F 3 "" H 4750 340 0 50 0000 C CNN
F 4 "Do not install" H 4750 460 0 60 0001 C CNN "Note"
1 4750 460 0
P 4550 325 0
F 0 "J3" H 4550 335 0 50 0000 C CNN
F 1 "WIFI_OFF" H 4550 315 0 50 0000 C CNN
F 2 "Socket_Strips:Socket_Strip_Straight_2x01" H 4550 205 0 50 0001 C CNN
F 3 "" H 4550 205 0 50 0000 C CNN
F 4 "Do not install" H 4550 325 0 60 0001 C CNN "Note"
1 4550 325 0
0 1 1 0
$EndComp
Text Notes 8700 505 0 0 60 ~ 0
Text Notes 8500 370 0 0 60 ~ 0
Programming pins:\nTXD RXD EN GPIO0
$Comp
L R R35
U 1 1 58FD4C5D
P 4750 410 0
F 0 "R35" V 4830 410 0 50 0000 C CNN
F 1 "470" V 4750 410 0 50 0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 4680 410 0 50 0001 C CNN
F 3 "" H 4750 410 0 50 0000 C CNN
1 4750 410 0
P 4550 275 0
F 0 "R35" V 4630 275 0 50 0000 C CNN
F 1 "470" V 4550 275 0 50 0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 4480 275 0 50 0001 C CNN
F 3 "" H 4550 275 0 50 0000 C CNN
1 4550 275 0
1 0 0 -1
$EndComp
$Comp
L C C21
U 1 1 5924A09B
P 3850 445 0
F 0 "C21" H 3875 455 0 50 0000 L CNN
F 1 "22uF" H 3875 435 0 50 0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 3888 430 0 50 0001 C CNN
F 3 "" H 3850 445 0 50 0000 C CNN
1 3850 445 0
P 3650 310 0
F 0 "C21" H 3675 320 0 50 0000 L CNN
F 1 "22uF" H 3675 300 0 50 0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 3688 295 0 50 0001 C CNN
F 3 "" H 3650 310 0 50 0000 C CNN
1 3650 310 0
1 0 0 -1
$EndComp
$Comp
L +3V3 #PWR099
U 1 1 5924A1EA
P 3850 430 0
F 0 "#PWR099" H 3850 415 0 50 0001 C CNN
F 1 "+3V3" H 3850 444 0 50 0000 C CNN
F 2 "" H 3850 430 0 50 0000 C CNN
F 3 "" H 3850 430 0 50 0000 C CNN
1 3850 430 0
P 3650 295 0
F 0 "#PWR099" H 3650 280 0 50 0001 C CNN
F 1 "+3V3" H 3650 309 0 50 0000 C CNN
F 2 "" H 3650 295 0 50 0000 C CNN
F 3 "" H 3650 295 0 50 0000 C CNN
1 3650 295 0
1 0 0 -1
$EndComp
$Comp
L GND #PWR0100
U 1 1 5924A206
P 3850 460 0
F 0 "#PWR0100" H 3850 435 0 50 0001 C CNN
F 1 "GND" H 3850 445 0 50 0000 C CNN
F 2 "" H 3850 460 0 50 0000 C CNN
F 3 "" H 3850 460 0 50 0000 C CNN
1 3850 460 0
P 3650 325 0
F 0 "#PWR0100" H 3650 300 0 50 0001 C CNN
F 1 "GND" H 3650 310 0 50 0000 C CNN
F 2 "" H 3650 325 0 50 0000 C CNN
F 3 "" H 3650 325 0 50 0000 C CNN
1 3650 325 0
1 0 0 -1
$EndComp
Text Notes 7550 600 0 0 60 ~ 0
Text Notes 7350 465 0 0 60 ~ 0
WiFi and SDcard connected to\nBANK6 on "usb" sheet
Text Notes 8700 550 0 0 60 ~ 0
Text Notes 8500 415 0 0 60 ~ 0
Strapping pins\n(avoid using to avoid\nboot problems)\nGPIO0,2,4,5,12,15
NoConn ~ 7750 505 0
Text Notes 2950 670 0 0 60 ~ 0
NoConn ~ 7550 370 0
Text Notes 2750 535 0 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
Text Notes 3850 735 0 0 60 ~ 0
Text Notes 3650 600 0 0 60 ~ 0
ESP32 HSPI pins\nGPIO12: MISO\nGPIO13: MOSI\nGPIO14: SCK\nGPIO15: SS
Text Notes 4750 765 0 0 60 ~ 0
Text Notes 4550 630 0 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 2950 735 0 0 60 ~ 0
Text Notes 2750 600 0 0 60 ~ 0
ESP32 VSPI pins\nGPIO5: SS\nGPIO18: SCK\nGPIO19: MISO\nGPIO23: MOSI
Text GLabel 5900 460 0 0 60 Input ~ 0
Text GLabel 5700 325 0 0 60 Input ~ 0
GP13
Text GLabel 5900 470 0 0 60 Input ~ 0
Text GLabel 5700 335 0 0 60 Input ~ 0
GN13
Text GLabel 5900 480 0 0 60 Input ~ 0
Text GLabel 5700 345 0 0 60 Input ~ 0
GP12
Text GLabel 5900 490 0 0 60 Input ~ 0
Text GLabel 5700 355 0 0 60 Input ~ 0
GN12
Text GLabel 5900 500 0 0 60 Input ~ 0
Text GLabel 5700 365 0 0 60 Input ~ 0
GP11
Text GLabel 5900 510 0 0 60 Input ~ 0
Text GLabel 5700 375 0 0 60 Input ~ 0
GN11
Text GLabel 5900 520 0 0 60 Input ~ 0
Text GLabel 5700 385 0 0 60 Input ~ 0
GP10
Text GLabel 7750 525 0 2 60 Input ~ 0
Text GLabel 7550 390 0 2 60 Input ~ 0
WIFI_GPIO16
$Comp
L GND #PWR0101
U 1 1 59C1BF96
P 7850 415 0
F 0 "#PWR0101" H 7850 390 0 50 0001 C CNN
F 1 "GND" H 7850 400 0 50 0000 C CNN
F 2 "" H 7850 415 0 50 0001 C CNN
F 3 "" H 7850 415 0 50 0001 C CNN
1 7850 415 0
P 7650 280 0
F 0 "#PWR0101" H 7650 255 0 50 0001 C CNN
F 1 "GND" H 7650 265 0 50 0000 C CNN
F 2 "" H 7650 280 0 50 0001 C CNN
F 3 "" H 7650 280 0 50 0001 C CNN
1 7650 280 0
0 -1 -1 0
$EndComp
Wire Wire Line
7750 4150 7850 415 0
7550 2800 7650 280 0
$Comp
L GND #PWR0102
U 1 1 59C1BFCC
P 7850 405 0
F 0 "#PWR0102" H 7850 380 0 50 0001 C CNN
F 1 "GND" H 7850 390 0 50 0000 C CNN
F 2 "" H 7850 405 0 50 0001 C CNN
F 3 "" H 7850 405 0 50 0001 C CNN
1 7850 405 0
P 7650 270 0
F 0 "#PWR0102" H 7650 245 0 50 0001 C CNN
F 1 "GND" H 7650 255 0 50 0000 C CNN
F 2 "" H 7650 270 0 50 0001 C CNN
F 3 "" H 7650 270 0 50 0001 C CNN
1 7650 270 0
0 -1 -1 0
$EndComp
Wire Wire Line
7750 4050 7850 405 0
Text GLabel 7750 435 0 2 60 Input ~ 0
7550 2700 7650 270 0
Text GLabel 7550 300 0 2 60 Input ~ 0
PROG_DONE
Text Notes 8700 440 0 0 60 ~ 0
Text Notes 8500 305 0 0 60 ~ 0
PROG_DONE on\n"flash" sheet
$Comp
L GND #PWR0103
U 1 1 59DEDA17
P 6400 625 0
F 0 "#PWR0103" H 6400 600 0 50 0001 C CNN
F 1 "GND" H 6400 610 0 50 0000 C CNN
F 2 "" H 6400 625 0 50 0001 C CNN
F 3 "" H 6400 625 0 50 0001 C CNN
1 6400 625 0
P 6200 490 0
F 0 "#PWR0103" 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
1 0 0 -1
$EndComp
Wire Wire Line
6400 5850 6400 625 0
6200 4500 6200 490 0
Wire Wire Line
4750 4250 4750 435 0
Text GLabel 7750 515 0 2 60 Input ~ 0
4550 2900 4550 300 0
Text GLabel 7550 380 0 2 60 Input ~ 0
WIFI_LED
Wire Wire Line
4750 4300 5900 430 0
Text Label 5550 430 0 0 60 ~ 0
4550 2950 5700 295 0
Text Label 5350 295 0 0 60 ~ 0
WIFIEN
Connection ~ 4750 430 0
Text Notes 2050 585 0 0 60 ~ 0
Connection ~ 4550 295 0
Text Notes 1850 450 0 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 2050 620 0 0 60 ~ 0
Text Notes 1850 485 0 0 60 ~ 0
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
Text Notes 2050 535 0 0 60 ~ 0
Text Notes 1850 400 0 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 5000 535 0 0 60 ~ 0
Text Notes 4800 400 0 0 60 ~ 0
GN10 v1.7
Text Notes 5000 545 0 0 60 ~ 0
Text Notes 4800 410 0 0 60 ~ 0
GP9 v1.7
Text Notes 6550 665 0 1 60 ~ 0
Text Notes 6350 530 0 1 60 ~ 0
GN9 v1.7
Text Notes 7250 710 0 1 60 ~ 0
Text Notes 7050 575 0 1 60 ~ 0
WIFI_GPIO15 v1.7
Text Notes 7350 695 0 1 60 ~ 0
Text Notes 7150 560 0 1 60 ~ 0
WIFI_LED v1.7
$EndSCHEMATC