I2C bus unusable after deepsleep Help !!!!!

Hicham
Posts: 8
Joined: Sun Feb 21, 2021 12:31 am

I2C bus unusable after deepsleep Help !!!!!

Postby Hicham » Sun May 30, 2021 11:47 am

Hello guys, i have an issue with I2C bus, when i enter in deep sleep mode and after i woke up, i can't begin i2c bus, but if i hard reset the module, the i2c begin well,
when i woke up from deep sleee, i mesure the SDA and SCL line and i found they bouth set up to 0.75V .

i am usisng esp 32 and pull up resistor 2.2kohm 3.3V

any help, thank you

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