RTC v1.1 DS1307 Real Time Clock Module w/ I2C - Blue

The module is based on DS1307 high precision real time clock module; Through I2C interface to communicate with singlechip, can read year, month, day, week, time, minute, second; Car read until 2100 year; Control interface is I2C; Recommended power: DC 5V; The address of the module is 0x68; Control interface level is 5V or 3.3V; 4-M2 screw hole, easy to install. Specification Power voltage VCC: 4.5~5.5V; Battery voltage: 2.0~3.5V; High level input: 2.1~VCC + 0.3V; Low level input: -0.3~+0.8V; Control interface: 4-pin (GND, VCC, SDA, SCL), GND for ground wire, VCC for power source, SDA for I2C interface data cable, SCL for I2C interface clock cable; Real time IC: DS1307Z; Independent timing: through I2C interface communicate with MCU; Battery: CR1220; Installed hole: 4-M2 screw hole, diameter hole: 2.2mm, easy to install GeneralBrandOPEN-SMARTModelRTC v1.1Quantity1 pieceForm ColorBlue + SilveryMaterialPCBSpecificationChipsetDS1307English Manual / SpecNoDownload Link http://pan.baidu.com/share/link?shareid=1570527979&uk=1966479381Other FeaturesOther FeaturesPower voltage VCC: 4.5~5.5V; Battery voltage: 2.0~3.5V; High level input: 2.1~VCC + 0.3V; Low level input: -0.3~+0.8V; Control interface: 4-pin (GND, VCC, SDA, SCL), GND for ground wire, VCC for power source, SDA for I2C interface data cable, SCL for I2C interface clock cable; Real time IC: DS1307Z; Independent timing: through I2C interface communicate with MCU; Battery: CR1220; Installed hole: 4-M2 screw hole, diameter hole: 2.2mm, easy to install.Packing List1 x RTC v1.1 Module 1 x CR1220 batteryPackage Weight:0.006kg (0.013lb)Package Size:10cm x 6cm x 1cm (3.94in x 2.36in x 0.39in)