West Asia/Middle East. Australia/New Zealand. United Kingdom. France/West Asia. East/South Asia.
eBay
Clock chip: high-precision clock chip DS3231. Clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format. Calendar alarm clock with two. Clock Accuracy :0-40 ℃ range, the accuracy 2ppm, the error was about 1 minute.
eBay
Clock chip: high-precision clock chip DS3231. Clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format. Calendar alarm clock with two. Clock Accuracy :0-40 ℃ range, the accuracy 2ppm, the error was about 1 minute.
eBay
If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. 4 clock chip: high-precision clock chip DS3231. Wiring instructions (with Arduino uno r3 for example).
eBay
Description: Note:There is no batteries in this package! Mini RTCpro DS3231 Brand new and high quality. Use DS3231 high precision real time clock chip (IIC interface rate of 400 KHZ). Reserved AT24Cxx IIC interface EEPROM memory interface, such as the need for welding. High precision 32.768 KHz removing crystal vibration chip internal integration, 0℃ to 40℃ range precision 2 PPM, in error about 1 minutes. The internal temperature sensor chip precision 3℃, a resolution of 0.5℃, measurable environmental temperature. Welding CR927 3 v battery charging. Join meter diode power supply end, connect the power supply without power not to burn. Set the power indicator light. Leads to the SQW/INT and 32 KHZ square wave output interface, can be different frequency square wave output or output clock.
eBay
Clock chip: high-precision clock chip DS3231. Clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format. Calendar alarm clock with two. Clock Accuracy :0-40 ℃ range, the accuracy 2ppm, the error was about 1 minute.
eBay
Easy to use: The module is small in size, easy to install, convenient to use, suitable for various timing needs, and can be quickly operated without professional skills. Import Duties.
eBay
Easy to use: The module is small in size, easy to install, convenient to use, suitable for various timing needs, and can be quickly operated without professional skills. Import Duties.
eBay