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Geeetech BOT-06661 Real Time Clock RTC DS1307 Module for Arduino - Red
DS1307 is a real-time chip which adopt I2C protocol to communicate with SCM£¬ and there was this kind interface on Arduino£¬ therefore is very convenient to link with each other; This product can be used to drive LED lights£¬ as it have a programmable waveforms output£¬ or trigger a certain event as a break off£¬ but be careful when you use it to take some kind of high power module; We design the real clock module to pin out the I2C interface of DS1307 and programmable waveforms output interface SQW are connected£¬ but usually we will only use the I2C interface to realize basic set the clock/read function. This module communicate with Arduino through the I2C interface. This module can be used with Arduino Special Sensor Shield V4. You can do some simple design about it£¬ support "plug and play". In circuit connection£¬ we can use Arduino sensor shield V4 board£¬ but set the corresponding jumpers wires to IIC position.