Using hardware I2C on an ESP32 ... found a nice hack — just connect your devices to different pins and slightly abuse the ESP32 GPIO muxing, no extra hardware required! Initially, they tried ...

First, we set the GPIO pins we wish to ... Master transmitter flowchart, reproduced from RM0091. Worthy of note here is that with some checks, such as for I2C_ISR_TC (transfer complete), the ...