DS1302 clock module

  •       1.onboard 32.768 KHZ crystals,provide accurate clock signal module
  •       2.onboard CR1220 patch battery holder

  • 3.commonly used pin has led,pin for the standard is 2.54 mm

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

     

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