5 Stück DS3231 AT24C32 IIC Precision Echtzeit Uhr Modul Speichermodul Arduino
19,05 €
4 clock chip: high-precision clock chip DS3231. Wiring instructions (with Arduino uno r3 for example) 6 calendar alarm clock with two. 5 Clock Accuracy :0-40 ℃ range, the accuracy 2ppm, the error was about 1 minute.
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