Feature:1. HIGH STABILITY: The DS1881 data acquisition module use a dual channel, non volatile digital potentiometer to ensure that data will not be lost in emergency situations2. DESIGNED FOR SOUND APPLICATIONS: The 5V signal level design make this data acquisition module suitable for sound system applications, meeting the professional needs of high power sound equipment3. POWERFUL ZEROING CROSSING DETECTION FUNCTION: The module has a zeroing crossing detector, which can change the tap position when the potentiometer has no voltage, achieve no clicking operation, and significantly improve the user experience4. CONNECT MULTIPLE DEVICES: The data acquisition module has three address pins and can connect up to eight devices on a single I2C bus, expanding the application range of the module to meet the different needs of users5. WIDE RANGE OF POWER CHARACTERISTICS: The power input range of VDD is 3V~5V, which can adapt to the different power needs of various types of equipment and has wider applicabilitySpecification:Item Type: Data Acquisition ModuleMaterial: PCBVCC: 5VAVCC: 3V - 5V.Package List:1 x Module1 x User Manual