#define ANALOG_A1  36
#define ANALOG_A2  39
#define ANALOG_A3  34
#define ANALOG_A4  35

IIC SDA:4
IIC SCL:16

Relay_IIC_address 0x24
P0--P3: for relay1-relay4
P4--P7: for DI9--DI12

Input_IIC_address 0x22  for DI1-DI8

PCA9685 IIC address: 0x00

DS18B20/DHT11/DHT21/LED strip -1: 5
DS18B20/DHT11/DHT21/LED strip -2: 14


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


RS485: 
RXD:GPIO33
TXD:GPIO32

GSM:
RXD:GPIO13
TXD:GPIO15