Yes you can also visualize the I2C protocol the same way. For the ADC it would be necessary to add 8 new LEDs connected to 8 op-amp, connected to each ADC. So

Yes you can also visualize the I2C protocol the same way. For the ADC it would be necessary to add 8 new LEDs connected to 8 op-amp, connected to each ADC. So not out of the box.