20pcs DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module

20pcs DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module

Name: 20pcs DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module
Brand: Elecbee
SKU: EB0049747
Price: 69.99 USD
Availability: InStock
Rating: 141 / 29 (29 reviews)

$69.99

SKU: EB0049747

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1. DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line. The DS3231 is available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package.

2. RTC maintains seconds, minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year. The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format. Provides two configurable alarm clock and a calendar can be set to a square wove output. Address and data are transferred serially through an I2C bidirectional bus.

3. A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, provide a reset output, and if necessary, automatically switch to the backup power supply. In addition, / RST pin is monitored as generating μP reset manually.

4. Save time and high precision addition, DS3231 also has some other features that extend the system host of additional features and a range of options. The device integrates a very precise digital temperature sensor, through the I2C * interface to access it (as the same time). This temperature sensor accuracy is ± 3 ° C. On-chip power supply control circuit can automatically detect and manage the main and standby power (i.e., low-voltage battery) to switch between the power supply. If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. When the main power re-power or voltage value returns to within the allowable range, the on-chip reset function can be used to restart the system microprocessor.

Spefications:

1. Size: 38mm (length) * 22mm (W) * 14mm (height)

2. Weight: 8g

3. Operating voltage :3.3 - 5 .5 V

4. Clock chip: high-precision clock chip DS3231

5. Clock Accuracy :0-40 range, the accuracy 2ppm, the error was about 1 minute

6. Calendar alarm clock with two

7. Programmable square-wove output

8. Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation

9. Chip temperature sensor comes with an accuracy of ± 3

10. Memory chips: AT24C32 (storage capacity 32K)

11. IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)

12. Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57

13. With rechargeable battery CR2032, to ensure the system after power failure, the clock move any natural normal

14. Packing: single anti-static packaging

Wiring Instructions: (for un0 r3 for example):

SCL → A5

SDA → A4

VCC → 5V

GND → GND

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20pcs DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module

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Description

20 x DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module(don't inclue battery)

20pcs-DS3231-AT24C32-IIC-Precision-RTC-Real-Time-Clock-Memory-Module-1559309

Reviews (29)
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Q & A

: Where is the origin of Elecbee products? Are they certificated?

2023-03-03

Answer:

Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.

2023-03-03

: What forms of payment do you accept?

2023-03-03

Answer:

Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.

2023-03-03

: When will you arrange shipment?

2023-03-03

Answer:

After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.

2023-03-03

: How to exchange or return?

2023-03-03

Answer:

1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.

2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;

3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.

2023-03-03