Raspberry Pi foreign highest precision clock module DS3231. Note that this module can also be used for Arduino motherboard. Reset output and button debounce input. The module itself can adapt to 3.3V and 5V systems without level conversion, which is super convenient.
eBay
Mini RTCpro DS3231. DS3231 AT24C32. 4 clock chip: high-precision clock chip DS3231. DS3231 RTC. Use DS3231SN precision clock chip, built 32.768 crystal. DS3231SN 3 in 1 LED. Wiring instructions (with Arduino uno r3 for example).
eBay
Reset button debounced input and output. Modules can adapt itself 3.3V and 5V systems without level conversion, super convenience. Two calendar alarm. Complete clock calendar functions and provide valid until the year 2100 leap year compensation.
eBay
West Asia/Middle East. Australia/New Zealand. United Kingdom. France/West Asia. East/South Asia.
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. DS3231 module x 1. The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format.
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. DS3231 module x 1. The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format.
eBay
eBay
◆If there are no special circumstances, your product will not be delayed in arrival.
eBay