+- Smart Home Automation Forum (https://www.kincony.com/forum)
+-- Forum: Technical Support (https://www.kincony.com/forum/forumdisplay.php?fid=62)
+--- Forum: F4 (under designing) (https://www.kincony.com/forum/forumdisplay.php?fid=98)
+--- Thread: F4 ESP32-S3 IO pins define (/showthread.php?tid=8709)
F4 ESP32-S3 IO pins define - admin - 11-03-2025
ANALOG_A1(0-5v) GPIO5
ANALOG_A2(0-5v) GPIO7
ANALOG_A3(4-20mA) GPIO6
ANALOG_A4(4-20mA) GPIO4
IIC SDA:GPIO8
IIC SCL:GPIO18
PCF8574:U23 i2c address:0x24
PCF8574->P0 (DI1)
PCF8574->P1 (DI2)
PCF8574->P2 (DI3)
PCF8574->P3 (DI4)
PCF8574->P4 (relay1)
PCF8574->P5 (relay2)
PCF8574->P6 (relay3)
PCF8574->P7 (relay4)
RF433MHz wireless receiver: GPIO40
------------------------
Ethernet (W5500) I/O define:
clk_pin: GPIO42
mosi_pin: GPIO43
miso_pin: GPIO44
cs_pin: GPIO41
interrupt_pin: GPIO2
reset_pin: GPIO1
--------------------
RS485:
RXD:GPIO17
TXD:GPIO16
--------------------
Tuya module:
RXD:GPIO38
TXD:GPIO39
Tuya network button: Tuya module's P28
Tuya network LED: Tuya module's P16
---------------------
1-wire (pull-up resistance on PCB):
1-wire1:GPIO48
1-wire2:GPIO47
1-wire3:GPIO21
1-wire4:GPIO15
1-wire (without resistance on PCB):
1-wire2:GPIO14
------------------------
SD Card:
SPI-MOSI:GPIO10
SPI-SCK:GPIO11
SPI-MISO:GPIO12
SPI-CS:GPIO9
SPI-CD:GPIO13
------------------------
24C02 EPROM i2c address: 0x50
DS3231 RTC i2c address: 0x68
SSD1306 display: i2c address:0x3c