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

$2.83
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Form Color Blue + Silvery Brand N/A Model RTC v1.1 Quantity 1 DX.PCM.Model.AttributeModel.Unit Material PCB Chipset DS1307 English Manual / Spec No Download Link http://pan.baidu.com/share/link?shareid=1570527979&uk=1966479381 Other Features 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. Packing List 1 x RTC v1.1 Module 1 x CR1220 battery

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