Smart Home Automation Forum

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

IIC SDA:5
IIC SCL:4

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


GSM/RS485:
RXD:GPIO15
TXD:GPIO13

CAN bus:
TXD:GPIO32
RXD:GPIO33

GSM/RS485:
RXD:GPIO15
TXD:GPIO13

CAN bus:
TXD:GPIO32
RXD:GPIO33


Hi, do you have any examples how to use Can or RS485? Maybe some examples with address delivery and sensor input.

Thank you!

you can download KCS firmware to board. Then you can use RS485 modbus.
here is KCS v2 online guide: https://www.kincony.com/esp32-kcsv2-firmware.html