ESP32 ISO board
Board Pin Definitions
Occupied Pins
#define IN1 32
#define IN2 33
#define IN3 25
#define IN4 26
#define OUT1 27
#define OUT2 14
#define OUT3 13
#define OUT4 15
#define debugLED 0
#define RS232_RX 23
#define RS232_TX 22
#define RS485_RX 18
#define RS485_TX 19
SoftwareSerial RS232;
SoftwareSerial RS485;
breakout daughter board
Use Guide
- connect IO0 to GND to enter into programming mode