ESP32 ISO board
Board Pin Definitions
Version V2
Version V1
Pin Definitions Template
| Pin | Prerequisite | Used for |
|---|---|---|
| 36 | input_only | |
| 39 | input_only | |
| 34 | input_only | |
| 35 | input_only | |
| 32 | IN1 | |
| 33 | IN2 | |
| 25 | DAC | IN3 |
| 26 | DAC | IN4 |
| 27 | OUT1 | |
| 14 | OUT2 | |
| 12 | ||
| 13 | I2C | |
| 15 | strapping | I2C |
| 2 | strapping | |
| 0 | strapping | |
| 4 | OUT4 | |
| 16 | U2 | |
| 17 | U2 | |
| 5 | strapping | VSPI |
| 18 | VSPI | |
| 19 | VSPI | |
| 20 | OUT3 | |
| 21 | U1 | |
| 3 | U0R | U0 |
| 1 | U0T | U0 |
| 22 | U1 | |
| 23 | VSPI |
breakout daughter board
Use Guide
- connect IO0 to GND to enter into programming mode
ref
Demo video
- RS485 / RS422 / RS232 / CAN brekaout board with ESP32 ISO Board test - youtube here.