Search found 2 matches

by bsdinis
Mon Jul 17, 2023 3:15 am
Forum: Hardware
Topic: ESP32 default I2C pins?
Replies: 4
Views: 9835

Re: ESP32 default I2C pins?

You say the hardware doesn't define the default pins, I know most interfaces can be reassigned to any GPIO but most of them have dedicated/default pins such as UART, SPI, SDIO, USB (ESP32-S3), etc. Are you saying that the two I2C interfaces on the ESP32 do not have dedicated pins at all, and that GP...
by bsdinis
Sun Jul 16, 2023 11:33 pm
Forum: Hardware
Topic: ESP32 default I2C pins?
Replies: 4
Views: 9835

ESP32 default I2C pins?

I am getting very conflicting information about the default I2C pins on the ESP32, everywhere I read says the default I2C0 pins are GPIO21 and GPIO22 for SDA and SCL respectively but the following screenshot from the datasheet seems to suggest otherwise
image-3.png
image-3.png (271.99 KiB) Viewed 9835 times