KC868-A8S ESP32 I/O pin define

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

IIC SDA:4
IIC SCL:5

Relay_IIC_address 0x24

Input_IIC_address 0x22

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

RF433MHz wireless receiver: 16


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:GPIO32
TXD:GPIO33

GSM:
RXD:GPIO13
TXD:GPIO15

Buzzer:GPIO2

WS2812B RGBW LED:GPIO12