EESchema Schematic File Version 2 LIBS:ulx3s-rescue LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves LIBS:ESP8266 LIBS:lfe5bg381 LIBS:micro-hdmi-d LIBS:ap3429a LIBS:ft2232 LIBS:ESP32 LIBS:ssd_13xx LIBS:ftdi LIBS:max1112x LIBS:mt48lc4m16a2tg LIBS:micro_sd_card_cd LIBS:ulx3s-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 7 11 Title "ULX3S" Date "" Rev "0.0.1" Comp "FER+RIZ+RADIONA" Comment1 "WIFI module ESP8266-12E" Comment2 "" Comment3 "" Comment4 "" $EndDescr Text GLabel 7000 5900 3 60 Input ~ 0 SD_D0 Text GLabel 7100 5900 3 60 Input ~ 0 SD_D1 Text GLabel 6700 5900 3 60 Input ~ 0 SD_D3 Text GLabel 6800 5900 3 60 Input ~ 0 SD_CMD Text GLabel 6900 5900 3 60 Input ~ 0 SD_CLK Text GLabel 6600 5900 3 60 Input ~ 0 SD_D2 Text GLabel 7750 4550 2 60 Input ~ 0 WIFI_RXD Text GLabel 7750 4450 2 60 Input ~ 0 WIFI_TXD Text GLabel 7750 5450 2 60 Input ~ 0 WIFI_GPIO0 Text GLabel 7750 4250 2 60 Input ~ 0 JTAG_TDI Text GLabel 7750 4850 2 60 Input ~ 0 JTAG_TDO Text GLabel 7750 4950 2 60 Input ~ 0 JTAG_TCK Text GLabel 7750 4650 2 60 Input ~ 0 JTAG_TMS $Comp L ESP-32S U9 U 1 1 58E5662B P 6850 4800 F 0 "U9" H 6150 6050 60 0000 C CNN F 1 "ESP-WROOM-32" H 7150 6050 60 0000 C CNN F 2 "ESP32:ESP32-WROOM" H 7200 6150 60 0001 C CNN F 3 "http://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf" H 6400 5250 60 0001 C CNN F 4 "espressif.com" H 6850 4800 60 0001 C CNN "MFG_URL" F 5 "ESP-WROOM-32" H 6850 4800 60 0001 C CNN "MFG_PN" F 6 "www.mouser.com" H 6850 4800 60 0001 C CNN "Distributor1_URL" F 7 "Do not install" H 6850 4800 60 0001 C CNN "Note" 1 6850 4800 1 0 0 -1 $EndComp $Comp L GND #PWR095 U 1 1 58E56E8D P 5500 4100 F 0 "#PWR095" H 5500 3850 50 0001 C CNN F 1 "GND" H 5500 3950 50 0000 C CNN F 2 "" H 5500 4100 50 0000 C CNN F 3 "" H 5500 4100 50 0000 C CNN 1 5500 4100 0 1 1 0 $EndComp $Comp L +3V3 #PWR096 U 1 1 58E56EA3 P 5350 4200 F 0 "#PWR096" H 5350 4050 50 0001 C CNN F 1 "+3V3" H 5350 4340 50 0000 C CNN F 2 "" H 5350 4200 50 0000 C CNN F 3 "" H 5350 4200 50 0000 C CNN 1 5350 4200 0 -1 -1 0 $EndComp Wire Wire Line 5500 4100 5900 4100 Wire Wire Line 5350 4200 5900 4200 $Comp L +3V3 #PWR097 U 1 1 58ED6C57 P 4750 3550 F 0 "#PWR097" H 4750 3400 50 0001 C CNN F 1 "+3V3" H 4750 3690 50 0000 C CNN F 2 "" H 4750 3550 50 0000 C CNN F 3 "" H 4750 3550 50 0000 C CNN 1 4750 3550 1 0 0 -1 $EndComp $Comp L R R34 U 1 1 58ED6C6D P 4750 3700 F 0 "R34" V 4830 3700 50 0000 C CNN F 1 "15k" V 4750 3700 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 4680 3700 50 0001 C CNN F 3 "" H 4750 3700 50 0000 C CNN 1 4750 3700 1 0 0 -1 $EndComp Text GLabel 4900 3900 2 60 Input ~ 0 WIFI_EN Wire Wire Line 4750 3850 4750 3950 Wire Wire Line 4750 3900 4900 3900 Connection ~ 4750 3900 $Comp L GND #PWR098 U 1 1 58EE2982 P 4750 4850 F 0 "#PWR098" H 4750 4600 50 0001 C CNN F 1 "GND" H 4750 4700 50 0000 C CNN F 2 "" H 4750 4850 50 0000 C CNN F 3 "" H 4750 4850 50 0000 C CNN 1 4750 4850 1 0 0 -1 $EndComp $Comp L CONN_02X01 J3 U 1 1 58EE29FF P 4750 4600 F 0 "J3" H 4750 4700 50 0000 C CNN F 1 "WIFI_OFF" H 4750 4500 50 0000 C CNN F 2 "Socket_Strips:Socket_Strip_Straight_2x01" H 4750 3400 50 0001 C CNN F 3 "" H 4750 3400 50 0000 C CNN F 4 "Do not install" H 4750 4600 60 0001 C CNN "Note" 1 4750 4600 0 1 1 0 $EndComp Text Notes 8700 5050 0 60 ~ 0 Programming pins:\nTXD RXD EN GPIO0 $Comp L R R35 U 1 1 58FD4C5D P 4750 4100 F 0 "R35" V 4830 4100 50 0000 C CNN F 1 "470" V 4750 4100 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 4680 4100 50 0001 C CNN F 3 "" H 4750 4100 50 0000 C CNN 1 4750 4100 1 0 0 -1 $EndComp $Comp L C C21 U 1 1 5924A09B P 3850 4450 F 0 "C21" H 3875 4550 50 0000 L CNN F 1 "22uF" H 3875 4350 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 3888 4300 50 0001 C CNN F 3 "" H 3850 4450 50 0000 C CNN 1 3850 4450 1 0 0 -1 $EndComp $Comp L +3V3 #PWR099 U 1 1 5924A1EA P 3850 4300 F 0 "#PWR099" H 3850 4150 50 0001 C CNN F 1 "+3V3" H 3850 4440 50 0000 C CNN F 2 "" H 3850 4300 50 0000 C CNN F 3 "" H 3850 4300 50 0000 C CNN 1 3850 4300 1 0 0 -1 $EndComp $Comp L GND #PWR0100 U 1 1 5924A206 P 3850 4600 F 0 "#PWR0100" H 3850 4350 50 0001 C CNN F 1 "GND" H 3850 4450 50 0000 C CNN F 2 "" H 3850 4600 50 0000 C CNN F 3 "" H 3850 4600 50 0000 C CNN 1 3850 4600 1 0 0 -1 $EndComp Text Notes 7550 6000 0 60 ~ 0 WiFi and SDcard connected to\nBANK6 on "usb" sheet Text Notes 8700 5500 0 60 ~ 0 Strapping pins\n(avoid using to avoid\nboot problems)\nGPIO0,2,4,5,12,15 NoConn ~ 7750 5350 NoConn ~ 7750 5050 Text Notes 2950 6700 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 7350 0 60 ~ 0 ESP32 HSPI pins\nGPIO12: MISO\nGPIO13: MOSI\nGPIO14: SCK\nGPIO15: SS Text Notes 4750 7650 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 7350 0 60 ~ 0 ESP32 VSPI pins\nGPIO5: SS\nGPIO18: SCK\nGPIO19: MISO\nGPIO23: MOSI Text GLabel 5900 4600 0 60 Input ~ 0 GP13 Text GLabel 5900 4700 0 60 Input ~ 0 GN13 Text GLabel 5900 4800 0 60 Input ~ 0 GP12 Text GLabel 5900 4900 0 60 Input ~ 0 GN12 Text GLabel 5900 5000 0 60 Input ~ 0 GP11 Text GLabel 5900 5100 0 60 Input ~ 0 GN11 Text GLabel 5900 5200 0 60 Input ~ 0 GP10 Text GLabel 5900 5300 0 60 Input ~ 0 GN10 Text GLabel 5900 5400 0 60 Input ~ 0 GP9 Text GLabel 6500 5850 3 60 Input ~ 0 GN9 Text GLabel 7200 5850 3 60 Input ~ 0 WIFI_GPIO15 Text GLabel 7750 5250 2 60 Input ~ 0 WIFI_GPIO16 $Comp L GND #PWR0101 U 1 1 59C1BF96 P 7850 4150 F 0 "#PWR0101" H 7850 3900 50 0001 C CNN F 1 "GND" H 7850 4000 50 0000 C CNN F 2 "" H 7850 4150 50 0001 C CNN F 3 "" H 7850 4150 50 0001 C CNN 1 7850 4150 0 -1 -1 0 $EndComp Wire Wire Line 7750 4150 7850 4150 $Comp L GND #PWR0102 U 1 1 59C1BFCC P 7850 4050 F 0 "#PWR0102" H 7850 3800 50 0001 C CNN F 1 "GND" H 7850 3900 50 0000 C CNN F 2 "" H 7850 4050 50 0001 C CNN F 3 "" H 7850 4050 50 0001 C CNN 1 7850 4050 0 -1 -1 0 $EndComp Wire Wire Line 7750 4050 7850 4050 Text GLabel 7750 4350 2 60 Input ~ 0 PROG_DONE Text Notes 8700 4400 0 60 ~ 0 PROG_DONE on\n"flash" sheet $Comp L GND #PWR0103 U 1 1 59DEDA17 P 6400 6250 F 0 "#PWR0103" H 6400 6000 50 0001 C CNN F 1 "GND" H 6400 6100 50 0000 C CNN F 2 "" H 6400 6250 50 0001 C CNN F 3 "" H 6400 6250 50 0001 C CNN 1 6400 6250 1 0 0 -1 $EndComp Wire Wire Line 6400 5850 6400 6250 Wire Wire Line 4750 4250 4750 4350 Text GLabel 7300 5850 3 60 Input ~ 0 WIFI_GPIO2 Wire Wire Line 4750 4300 5900 4300 Text Label 5550 4300 0 60 ~ 0 WIFIEN Connection ~ 4750 4300 Text Notes 1800 5450 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 1800 5800 0 60 ~ 0 GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus $EndSCHEMATC