RTC Modules

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DS1307 RTC Module with Battery for Raspberry Pi Introduction This RTC module is specifically designed for the Raspberry Pi. It communicates with Raspberry Pi through I2C bus and includes a Maxim DS1307 and CR1220 button cell on the board to keep a real time clock for a long time after the Pi has powered down. Just set a serial port, and you have a convenient way of online debugging using TTL. Supports Raspberry Pi B/A+/B+/2 model B/3 model B...

$5.90 SKU:DFR0386 In Stock
Gravity: I2C DS1307 RTC Module Introduction After several months of "Out of Stock", DS1307 RTC module has experienced a huge upgrade. It comes with a Gravity IIC interface.Its size is also reduced to fit miniaturization application. Gravity I2C DS1307 RTC module is a easy-to-use Real Time Clock module. It is cheap and affordable in most applications such as time clock, data logger, etc. The new version DS1307 RTC module adopt..

$4.40 SKU:DFR0151 In Stock
Gravity: I2C SD2405 RTC Module Introduction We're glad to introduce a new member in Gravity family: Gravity I2C SD2405 RTC module. This is an extremely accurate I2C real-time clock (RTC) with crystal compensation, inner chargeable battery. The SD2405AL is available in industrial temperature ranges. The SD2405AL is dual power supply system. When the primary power supply goes down to an assigned value or resumes from low power,..

$8.60 SKU:DFR0469 In Stock
SD2403 Real -Time clock Module(Gadgeteer Arduino Compatible) Introduction A real-time clock (RTC) is a computer clock (most often in the form of an integrated circuit) that keeps track of the current time.The term is used to avoid confusion with ordinary hardware clocks which are only signals that govern digital electronics, and do not count time in human units. Compared with the cheap RTC module in the market now, this SD2403 Real-time clock ..
SD2405 Real-Time clock Module(Arduino Gadgeteer Compatible) Introduction A real-time clock (RTC) is a computer clock (most often in the form of an integrated circuit) that keeps track of the current time.The term is used to avoid confusion with ordinary hardware clocks which are only signals that govern digital electronics, and do not count time in human units. Compared with the cheap RTC module in the market now, this SD2405 Real-time clock ..

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