Feature

●Size:38mm(Length)*22mm(Width)*14mm(Height)
●Clock Chip: High precision clock chip D&S3231 clock accuracy: within the range of 0-40, the accuracy is 2ppm, and the error is about 1 minute
●Working Voltage: 3.3-5.5 V.
●Service:Welcome to our shop! This shop has high quality products, quality control of the products, intimate after-sales service, and complete services, so you can buy with confidence and comfort. We solemly promise to try our best to provide high quality service to our customers!


Description

Specifications:
Weight: 0.3 oz (8
1. There are 2 calendar alarm clocks
Programmable square-wave output
3. Provides the second time clock generator with timing of the second minute, hour, date, date, month, and year and effective time of reward up to 2100 years.
Chip temperature sensor accuracy is ±3
5. Memory chip: AT24C32 (storage capacity 32K)
6. IIC bus interface, maximum transmission speed is 400kHz (working voltage is 5V).
7. You can cascade with other IIC devices, 24C32 address can be short-circuit to A0/A1/A2 to change the default address to 0x57.
Equipped with a rechargeable C&R2032 battery to ensure the watch runs properly after the system is turned off.
Packaging: Single Static Packaging
Wiring Instructions: (e.g. U&NOR3):
SCL: A & 5SDA; A4
VCC: 5V
Ground
Package includes:
1 D&S3231A & T24C32I & ICPRECISION R&TREAL-TIME clock memory module (batteries not included)