According to the schematic, the VCC voltage and the port voltage must be the same.
Specifications
Operating voltage: 3.3V/5V (Please ensure that the power supply voltage and logic voltage are the same, otherwise it will not work properly.)
According to the schematic, the VCC voltage and the port voltage must be the same.
Specifications
Operating voltage: 3.3V/5V (Please ensure that the power supply voltage and logic voltage are the same, otherwise it will not work properly.)