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KC868-A6v3 ESP32-S3 IO pins define - admin - 02-15-2025
ANALOG_A1 GPIO4
ANALOG_A2 GPIO5
ANALOG_A3 GPIO6
ANALOG_A4 GPIO7
1-wire (pull-up resistance on PCB):
1-wire1:GPIO15
1-wire2:GPIO16
GP8403 DAC i2c address: 0x58
IIC SDA:GPIO12
IIC SCL:GPIO11
Input_IIC_address 0x22
Relay_IIC_address 0x24
RS485 RXD: GPIO18
RS485 TXD: GPIO17
SPI_Bus: (For LoRA/nRF24L01)
CS: GPIO38
MOSI: GPIO43
MISO: GPIO44
SCK: GPIO39
LoRA sx1278:
RST:GPIO42
DIO0:GPIO41
nRF24L01:
CE: GPIO40
RS232:
TXD:GPIO9
RXD:GPIO10
free GPIO on PCB (beside ESP32-S3 module)
GPIO8
GPIO13
GPIO14
GPIO21
GPIO47
GPIO48