DS1302 clock module

DS1302 clock module

1.Onboard DS1302Z clock chip.

2.Onboard 32.768 KHZ crystals,provide accurate clock signal module.

3.Onboard CR1220 patch battery holder.

4.Commonly used pin has led,pin for the standard is 2.54 mm.

5.PCB size:29 (mm) x17(mm).

Note: after purchase attached schematic diagram,51 test program and related information