KC868-A8 PCB V1.4 ESP32 I/O pin define in Arduino IDE

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#define ANALOG_A1  34  updated in PCB V1.4
#define ANALOG_A2  35  updated in PCB V1.4

IIC SDA:4
IIC SCL:5

Relay_IIC_address 0x24

Relay1 = pcf8574.pinMode(P0, OUTPUT);
Relay2 = pcf8574.pinMode(P1, OUTPUT);
Relay3 = pcf8574.pinMode(P2, OUTPUT);
Relay4 = pcf8574.pinMode(P3, OUTPUT);
Relay5 = pcf8574.pinMode(P4, OUTPUT);
Relay6 = pcf8574.pinMode(P5, OUTPUT);
Relay7 = pcf8574.pinMode(P6, OUTPUT);
Relay8 = pcf8574.pinMode(P7, OUTPUT);

Input_IIC_address 0x22

Input1 = pcf8574.pinMode(P0, INPUT);
Input2 = pcf8574.pinMode(P1, INPUT);
Input3 = pcf8574.pinMode(P2, INPUT);
Input4 = pcf8574.pinMode(P3, INPUT);
Input5 = pcf8574.pinMode(P4, INPUT);
Input6 = pcf8574.pinMode(P5, INPUT);
Input7 = pcf8574.pinMode(P6, INPUT);
Input8 = pcf8574.pinMode(P7, INPUT);


DS18B20/DHT11/DHT21/LED strip -1: 14
DS18B20/DHT11/DHT21/LED strip -2: 13

DS18B20/DHT11/DHT21/LED strip -3: 32   updated in PCB V1.4
DS18B20/DHT11/DHT21/LED strip -4: 33   updated in PCB V1.4


RF433MHz wireless receiver: 15

Ethernet (LAN8720) I/O define:

#define ETH_ADDR        0
#define ETH_POWER_PIN  -1
#define ETH_MDC_PIN    23
#define ETH_MDIO_PIN  18
#define ETH_TYPE      ETH_PHY_LAN8720
#define ETH_CLK_MODE  ETH_CLOCK_GPIO17_OUT