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+--- Thread: TA ESP32-S3 IO pins define (/showthread.php?tid=7896)
TA ESP32-S3 IO pins define - admin - 04-03-2025
SDA:GPIO8
SCL:GPIO18
PCF8575:i2c address:0x22
digital input: CH1-12
relay output: CH15,CH16
24C02 EPROM i2c address: 0x50
DS3231 RTC i2c address: 0x68
1-wire (pull-up resistance on PCB):
1-wire1:GPIO9
1-wire2:GPIO11
1-wire3:GPIO5
1-wire4:GPIO4
1-wire5:GPIO7
1-wire6:GPIO6
1-wire7:GPIO13
1-wire8:GPIO40
1-wire9:GPIO14
1-wire10:GPIO48
1-wire11:GPIO21
1-wire12:GPIO47
-----------------------
Ethernet (W5500) I/O define:
clk_pin: GPIO1
mosi_pin: GPIO2
miso_pin: GPIO41
cs_pin: GPIO42
interrupt_pin: GPIO43
reset_pin: GPIO44
--------------------
RS485:
RXD:GPIO38
TXD:GPIO39
Tuya module:
RXD:GPIO17
TXD:GPIO16
Tuya network button: Tuya module's P28
Tuya network LED: Tuya module's P16
RF433M receiver: GPIO12