Product Description

1, onboard the DS1302Z clock chip
2, onboard32.768KHZ crystal, as a module to provide accurate clock signal
3, onboard CR1220 chip battery seat
4, common pins have led to the standard 2.54mm, pin
In 5, PCB size:29( mm ) x17( mm )
Freeshipping !New FOR ARDUINO Makey Makey Touch key USB SHIELD analog touch keyboard

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