I2C pins in SparkFun Thing Plus - ESP32 WROOM [WRL-15663]

Wireless & IoT Wifi
1

In SparkFun Thing Plus - ESP32 WROOM [WRL-15663] board, IO22 and IO23 are used as SCL and SDA pins, but in SparkFun LoRa Gateway - 1-Channel (ESP32) [WRL-15006] IO22 ans IO21 are used as SCL and SDA pins. One common point is that both the module has ESP32-D0WDQ6 chip as its core.

So, my doubt is- can i use IO21 as SDA pins in SparkFun Thing Plus - ESP32 WROOM [WRL-15663] board?

I am desiging a board using SparkFun Thing Plus - ESP32 WROOM as base module and I have’t received the sparkfun esp32 board(due to custom) to test it.

So, need a reply to finish my design fast.

2

You can select what pins are used for I2C on the ESP32, pin 21 will work.