Omron B5WC - 2. Connection example; Case 1: 5 V MCU direct connection; Case 2: 3.3 V MCU (I²C port is 5 V tolerant); Case 3: 3.3 V MCU (not 5 V tolerant)

B5WC Built- In Color Sensor User's Manual ( E612- E1- 01) 12
2. Connection example
This sensor is designed for I
2
C communication. Electrical connection examples are shown below.
Case 1: 5V MCU direct connection (when microcontroller power supply voltage is the same)
Case 2: 3.3V MCU (I
2
C port is 5V tolerant)
Case 3: 3.3V MCU (not 5V tolerant)
For details of the components specifications, refer to the product specifications B5W-VB2322-1, Sections
10 to 12.
or