Onner электронные часы DIY Kit, 4 бита цифровые электронные часы DIY Изготовление производственного комплекта части

Description:

100% brand new and high quality.

Precise seconds calibration.

Can be shifted to minutes and seconds independent display interface

Hourly timekeeping( (8-20 o'clock whole point time 3 seconds, can be closed)

Alarm function

Specifications:

Item Type: Microcontroller

Model: AT89C51

Supply voltage: 3v-5v

Size: 52*42mm

Package Included:

1 x Microcontroller( The Button cap not included)