<![CDATA[I2S GPIO pins?]]>Looking for some help - trying to enable the speaker for a Basic Core in ESPHome.

I need to enter the I2S info such as: .. =

i2s_audio:
i2s_lrclk_pin: GPIOxx
i2s_bclk_pin: GPIOxx

Can anything kindly confirm which GPIO pins show I use for this? Thanks

]]>https://community.m5stack.com/topic/5517/i2s-gpio-pinsRSS for NodeWed, 06 May 2026 07:09:08 GMTTue, 25 Jul 2023 01:17:32 GMT60<![CDATA[Reply to I2S GPIO pins? on Wed, 02 Aug 2023 07:40:15 GMT]]>@zalaking The schematic shows the following I2S pins on the CoreS3:

GPIO00 I2S_LRCK, (Mic MCLK)
GPIO13 I2S_DOUT/DAT0
GPIO14 I2S_DIN/DAT1
GPIO33 I2S_WCK (Mic)
GPIO34 I2S_BCK (Mic)

]]>https://community.m5stack.com/post/21756https://community.m5stack.com/post/21756Wed, 02 Aug 2023 07:40:15 GMT<![CDATA[Reply to I2S GPIO pins? on Thu, 27 Jul 2023 02:11:04 GMT]]>many thanks @felmue - got that working via PWM as suggested - THANK YOU!!

do the later models, e.g. Core 3 use i2S?

]]>https://community.m5stack.com/post/21700https://community.m5stack.com/post/21700Thu, 27 Jul 2023 02:11:04 GMT<![CDATA[Reply to I2S GPIO pins? on Tue, 25 Jul 2023 13:42:24 GMT]]>Hello @zalaking

M5Stack Basic speaker uses PWM (GPIO25) and not I2S.

Thanks
Felix

]]>https://community.m5stack.com/post/21679https://community.m5stack.com/post/21679Tue, 25 Jul 2023 13:42:24 GMT