DIY AT89S52 Rotation LED Electronic Clock Kit 51 SCM Learning Board

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DIY AT89S52 Rotation LED Electronic Bluetooth Protocol 2.0 Control Clock Kit 51 SCM Learning Board

Please click this topic http://forum.banggood.com/forum-topic-45616.html , it have the English software.
This is the soldering guide https://copy.com/sHkefyBZJyG26Qq1

Feature:

SCM: AT89S52
Power supply voltage, miniUSB, an external 5 v voltage 3 v button battery for clock chip on the board of the standby power supply

Bluetooth parameter:

Communication protocol bluetooth 2.0 , support android 2.0 to android 4.0 phone equipment matching connection (temporarily does not support the Apple mobile phones, Nokia, Sony mobile phone connection). The android version of the mobile phone can generally on "about phone" view it
Communication distance: open communications within the environment can be up to 10 meters

Function:

1, the clock calibration, and automatically by the calibration on the phone at the same time
2, alarm clock setting
3, temperature display and report
4, according to the current date
5, the second hand rotation pattern is optional
6, hour function, can according to their own work and rest time to time choose to set the hour
7, wireless remote operation, easy and convenient
8, After Power Failure, the clock automatically enabled backup battery, Don't calibration when again on electricity

Operation interface on mobile phone as follow, automatic calibration time after connection

Package included:

1 x Bluetooth Control Clock Kit