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+--- Thread: KC868-A6 ESP32 I/O pin define (/showthread.php?tid=1962)
KC868-A6 ESP32 I/O pin define - admin - 06-01-2022
#define ANALOG_A1 36
#define ANALOG_A2 39
#define ANALOG_A3 34
#define ANALOG_A4 35
DS18B20/DHT11/DHT21/LED strip -1: 32
DS18B20/DHT11/DHT21/LED strip -2: 33
DAC1:26
DAC2:25
IIC SDA:4
IIC SCL:15
Input_IIC_address 0x22
Relay_IIC_address 0x24
RS485 RXD: 14
RS485 TXD: 27
SPI_Bus: (For LoRA/nRF24L01)
CS: 5
MOSI: 23
MISO: 19
SCK: 18
LoRA sx1278:
RST:21
DIO0:2
nRF24L01:
CE: 22
RS485:
TXD:27
RXD:14
RS232:
TXD:17
RXD:16
Extend serial port on PCB:
TXD(define by yourself):12
RXD (define by yourself) :13
RE: KC868-A6 ESP32 I/O pin define - gilad - 05-03-2023
(06-01-2022, 07:23 AM)admin Wrote: #define ANALOG_A1 36
#define ANALOG_A2 39
#define ANALOG_A3 34
#define ANALOG_A4 35
DS18B20/DHT11/DHT21/LED strip -1: 32
DS18B20/DHT11/DHT21/LED strip -2: 33
DAC1:26
DAC2:25
IIC SDA:4
IIC SCL:15
Input_IIC_address 0x22
Relay_IIC_address 0x24
RS485 RXD: 14
RS485 TXD: 27
SPI_Bus: (For LoRA/nRF24L01)
CS: 5
MOSI: 23
MISO: 19
SCK: 18
LoRA sx1278:
RST:14
DIO0:21
nRF24L01:
CE: 22
RS485:
TXD:27
RXD:14
RS232:
TXD:17
RXD:16
RE: KC868-A6 ESP32 I/O pin define - RenePL - 10-21-2023
I would like to use IO-1/IO-2 (originally intended for sensors ect. DS1820) as pure GIPO.
I understand that I have to remove two resistors from the print.
I need to use the board to communicate with the furnace via OpenTherm. What pins should I use for input/output?
Design https://ihormelnyk.com/opentherm_adapter
RE: KC868-A6 ESP32 I/O pin define - admin - 10-22-2023
IO1 and IO2 in KC868-A6 can use for DS18B20 directly.