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
PCF8575/XL9555:U27 (relay9-24) i2c address: 0x25
PCF8575/XL9555:U23 (DI1-16) i2c address: 0x24
PCF8575/XL9555:U49 i2c address: 0x26
PCF8575/XL9555(pin number0-7) : DI17-24
PCF8575/XL9555(pin number8-11) :relay5-8
PCF8575/XL9555(pin number12-15) :relay1-4
Note: after 2026-11-01 KinCony begin use XL9555 i2c extend chip. you can use KCS v3 "SYSTEM" webpage to scan device show the model or config by ESPHome to scan i2c bus, will find the chip model.
if config by ESPHome:
relay1: pcf8575(U49) number:12
relay2: pcf8575(U49) number:13
relay3: pcf8575(U49) number:14
relay4: pcf8575(U49) number:15
relay5: pcf8575(U49) number:8
relay6: pcf8575(U49) number:9
relay7: pcf8575(U49) number:10
relay8: pcf8575(U49) number:11
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-wire1:GPIO13
1-wire2:GPIO14
------------------------
SD Card:
SPI-MOSI:GPIO10
SPI-SCK:GPIO11
SPI-MISO:GPIO12
SPI-CS:GPIO9
------------------------
24C02 EPROM i2c address: 0x50
DS3231 RTC i2c address: 0x68
SSD1306 display: i2c address:0x3c
ANALOG_A2(0-5v) GPIO7
ANALOG_A3(4-20mA) GPIO6
ANALOG_A4(4-20mA) GPIO4
IIC SDA:GPIO8
IIC SCL:GPIO18
PCF8575/XL9555:U27 (relay9-24) i2c address: 0x25
PCF8575/XL9555:U23 (DI1-16) i2c address: 0x24
PCF8575/XL9555:U49 i2c address: 0x26
PCF8575/XL9555(pin number0-7) : DI17-24
PCF8575/XL9555(pin number8-11) :relay5-8
PCF8575/XL9555(pin number12-15) :relay1-4
Note: after 2026-11-01 KinCony begin use XL9555 i2c extend chip. you can use KCS v3 "SYSTEM" webpage to scan device show the model or config by ESPHome to scan i2c bus, will find the chip model.
if config by ESPHome:
relay1: pcf8575(U49) number:12
relay2: pcf8575(U49) number:13
relay3: pcf8575(U49) number:14
relay4: pcf8575(U49) number:15
relay5: pcf8575(U49) number:8
relay6: pcf8575(U49) number:9
relay7: pcf8575(U49) number:10
relay8: pcf8575(U49) number:11
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-wire1:GPIO13
1-wire2:GPIO14
------------------------
SD Card:
SPI-MOSI:GPIO10
SPI-SCK:GPIO11
SPI-MISO:GPIO12
SPI-CS:GPIO9
------------------------
24C02 EPROM i2c address: 0x50
DS3231 RTC i2c address: 0x68
SSD1306 display: i2c address:0x3c
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