KC868-A2 ESP32 I/O pin define

[admin]

take a photo of your A4S PCB. i want to see PCB version.

[taalaibek]

take a photo of your A4S PCB. i want to see PCB version.

[admin]

GPIO13 and GPIO15. here is diagram
   

[piratzaskoku]

To use these GPIOs, do I need to call any library?

[admin]

ESP32 GPIO you can use it directly, without install library.

[Vitaly8209]

Relay1:15
Relay2:2

DS18B20/DHT11/DHT21/LED strip -1: 33
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:35
TXD:32

GSM:
RXD:34
TXD:13


DI1:36
DI2:39

IIC BUS:
SDA:4
SCL:16

board KC868-A2-V2.5 -  all the same?

[admin]

just the GSM pin define should be:
tx_pin: GPIO5
rx_pin: GPIO13