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ESP-32-C3-MINI-1 default pins

Posted: Tue May 24, 2022 10:45 pm
by vednus
Does anyone know if the new C3-MINI has default pins for SPI and I2C? I can't seem to find it in the datasheet. From what I can gather, spiq and spid correspond to miso and mosi, so from the datasheet, I see that the following corresponds:

MISO = fspiq = io2
MOSI = fspid = io7
SCLK = fspiclk = io6

and a friend told me i2c are io4 and io5. Could someone confirm that? I can't find anything definitive.

Thanks!

Re: ESP-32-C3-MINI-1 default pins

Posted: Wed May 25, 2022 2:00 am
by ESP_Sprite
Those pins sound right for the IOMUX pins of SPI. ESP chips never had IOMUX or default pins for I2C. Do you mean the pins that Arduino uses as default?

Re: ESP-32-C3-MINI-1 default pins

Posted: Wed May 25, 2022 8:25 am
by MrFreddy
I can confirm, that these pins are working on my C3-MINI-1, as you wrote: I2C(4, 5) and SPI(2,7,6)