Description

DIY DS1302 Rotation LED Electronic Clock Kit 51 SCM Learning Board

New version is coming!! Since 2015.4.16,all Electronic Clock Kit are new version
Not included the box!!!!!!

How to use and how to soldering:

https://drive.google.com/open?id=0B9RT-Z00GQUAR1V1NVZ4b0VzRjg

Description:

Size: 81 mm x 81 mm x 1.6 mm
PCB thickness: 1.6 mm
Materials: FR4 military level
PCB color: blue
DigitalTube display: red
Power supply voltage: miniUSB, external connection 5V ,3V button battery for clock chip on the board of the standby power supply

Package included:

1 x Rotation LED Electronic Clock Kit