?Wholesale business?:We are a professional long-term engaged in the development and production of electronic-related products wholesale and retail companies. Welcome all major customers letter to discuss wholesale business. The more you order at once, the better the price.

?Wholesale business?:We are a professional long-term engaged in the development and production of electronic-related products wholesale and retail companies. Welcome all major customers letter to discuss wholesale business. The more you order at once, the better the price. ?Dual alarm clock settings?: Provides two configurable alarms and a calendar that can be set to a square wave output. ?Accurate monitoring of power supply?: Precise temperature-compensated reference voltage source and comparator circuitry monitors the status of VCC to detect power failures, provide reset outputs, and automatically switch to backup power when necessary. ?High precision RTC timing function?: The high precision RTC completely manages all timing functions. The device uses input and disconnects from the main power supply to maintain accurate timing. Operating voltage?: 3.3-5.5V. ? DS3231 is a high precision real time clock module that?:Accuracy: ±2ppm, 1 year accuracy of ±1 minute.