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1. Adafruit #ad
Adafruit 3296 DS1307 Real Time Clock Breakout Board #adAdafruit #ad
- Will keep time for 5 years or more. Plugs into any breadboard, or you can use wires. Pcb & header are included.
2. XJZ #ad
XJZ Fingerprint Attendance Machine Password Intelligent Recognition Biometric Time Clock with Voice Software-Free Employee Checking-in Recorder #adXJZ #ad
- The time attendance card machine supports the import/export of a large number of USB storage device data. Wide application: suitable for offices, restaurants, schools, factories, retail stores, hotels, and hospitals.
Due to its sensitivity and efficiency, it will help you avoid the worries of handling employee attendance records. Tft display: 2. 8 inches tft color display will make your operation interface intuitive and clear.
Support identification function: the time attendance card machine supports identification methods: fingerprint identification, password identification. Advanced technology: the use of advanced fingerprint identification technology can effectively solve the fingerprint identification problem caused by unclear fingerprints or finger injuries.
High-precision total reflection optical fingerprint sensor. Recognition time is less than 1s, high accuracy: Recognition time is less than 1s, high standard fuzzy recognition. Its screen is very clear. Even at work, it can bring you a feeling of relaxation, joy and good mood.
3. XJZ #ad
XJZ Attendance Machine Clock in Machine Face Fingerprint Password Recognition Mix Biometric Time Clock for Employees with Voice #adXJZ #ad
- Waterproof and dustproof: meet the IP54 standard. Ultra durable, large storage space 300 face records, 000 fingerprints and 300, 1, 000 records storage capacity. The name, shift and other information on the machine can directly output the attendance report, department, without software, to help enterprises solve attendance problems.
T9 input method time machine adopts t9 input method. Using a high-speed 32-bit processor, password check attendance.
High-precision total reflection optical fingerprint sensor. Recognition time is less than 1s, fingerprint, high-speed recognition Face, high-speed identification, reduce errors.
Full voice prompt simple operation, portuguese, Traditional Chinese, Spanish, French, Korean, multilingual voice broadcast; support multiple languages-Chinese, English, Korean, Japanese. Three recognition methods, high standard fuzzy recognition. Wide application suitable for offices, hotels, factories, schools, retail stores, restaurants, and hospitals. Anti-drop.
4. Wishiot #ad
Wishiot DS3231 Real Time Clock Module High Precision AT24C32 IIC RTC Sensor Without Batteries for Arduino Nano Mega2560 Leonardo Raspberry Pi Pack of 5 #adWishiot #ad
- If you have any question or need any support, pls feel free to contact us by click "WISHIOT" under the shopping cart. 1, main chip ds3231 is a high precision rtc ic with i2C communication, it has integrated crystal oscillator and temperature sensor and hence you don't have to connect an external crystal or temp sensor.
5, what you will get is: 5 x ds3231 rtc module.
3, ds3231n, clock chip: high-precision clock chip ds3231there are 3 different chips for this clock module, you need prepare cr2032 or liR2032 battery since it is not included in this listing! 4, DS3231SN and DS3231M, we send it by randomly.2, ds3231 rtc module can work on either 3. 3v or 5v. You can use a typical cr2032 3V battery to power this RTC module.
5. HiLetgo #ad
HiLetgo 2pcs DS3231 DS3231SN RTC Module Real Time Clock Memory Module V2.0 I2C with PinHeader #adHiLetgo #ad
- Can provide precise year, day, hour, minute, second, month, in the morning and afternoon data. Ds3231 ds3231sn rtc module real Time Clock Memory Module. Use ds3231sn precision clock chip, built 32. 768 crystal.
6. SenMod #ad
2pcs I2C RTC DS1307 AT24C32 Real Time Clock Module for Arduino AVR PIC 51 ARM #adSenMod #ad
- Size: 28x27x8. 4mm. Leap year compensation. Hour : minutes : Seconds AM/PM. Two wire I2C interface. Accurate calendar up to year 2100 .
7. CE CENTAURUS ELECTRONICS #ad
CENTAURUS 2pcs DS3231 Real Time Clock High Precision RTC Module DS3231 for Pi #adCE CENTAURUS ELECTRONICS #ad
- Main specification two calendar clock;reset output and anti-shake input; High speed 400 KHZI2C serial bus;Precision of digital temperature sensor is ¡À3¡ãC. Optimal reliabilitycentaurus premium ds3231 real time clock module can automaticly adapt to 3.
3v and 5v system, and year, date, no need for level conversion, minute, time, week, month, which is super convenient; Provide continuous timing battery backup; Complete clock calendar function includes second, and provide leap year.
Compensation until 2100 Package & servicepackage include: 2pcs x ds3231 real time clock module.
Any question pls fell free to contact us, we will reply you within 24H. And we offer a 12 month warranty. Optimal performancecentaurus premium upgrade ds3231 Real Time Clock Module for Pi. High qualitycentaurus premium ds3231 real time clock Module is made of high quality material which can use for a long time.
8. Adafruit #ad
Stemma QT/Qwiic Ada 5189, Adafruit PCF8523 Real Time Clock Breakout Board #adAdafruit #ad
- Plugs into any breadboard, or you can use wires. Two mounting holes. Pcb & header are included. Will keep time for 5 years or more.