I'm using an ESP8266 from Waveshare (universal e-paper driver), with a Sparkfun battery babysitter. I'm finding that when an e-paper screen is connected to the ESP8266 via SPI connections (ribbon cable) - then the battery babysitter is not detectable over I2C, the moment the e-paper screen is discon…

I2C device not detected only when SPI device is connected

romanholiday September 15, 2021, 8:20am 8

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