Real time clock

features real time clock counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap year compensation valid up to serial i o for minimum pin count 2.0v to 5.5v full operation uses less than 300na at 2.0v single byte or multiple byte burst mode data transfer for read or write of clock or ram data board size: 44mm x 24mm" Box Pack - No Warranty

Features and Details DS1307 is a real-time chip of DALLAS company,which adopt I2C protocol to communicate with SCM, and there was this kind interface on Arduino, therefore is very convenient to link with each other. DS1307 have a programmable waveforms output, it can be used to drive LED lights, or trigger a certain event as a break off, but be careful when you use it to take some kind of high power module. We design the real clock module to pin out the I2C interface of Ds1307 and programmable waveforms output interface SQW are connected, but usually we will only use the I2C interface to realize basic set the clockread function. Note, this module must be installed on the battery can work normally. The battery is button batteries type CR2032 will be better Feature 1- Power supply 5V DC and Button Battery 2- Interface IIC 3- Size 16mm 22mm 23mm Almost same size as CR2032 Button Battery 4- Memory Capacity 32K bit

Features and Details DS1307 is a real-time chip of DALLAS company,which adopt I2C protocol to communicate with SCM, and there was this kind interface on Arduino, therefore is very convenient to link with each other. DS1307 have a programmable waveforms output, it can be used to drive LED lights, or trigger a certain event as a break off, but be careful when you use it to take some kind of high power module. We design the real clock module to pin out the I2C interface of Ds1307 and programmable waveforms output interface SQW are connected, but usually we will only use the I2C interface to realize basic set the clockread function. Note, this module must be installed on the battery can work normally. The battery is button batteries type CR2032 will be better Feature...

Features Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to Serial I/O for Minimum Pin Count 2.0V to 5.5V Full Operation Uses Less than 300nA at 2.0V Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock or RAM Data Board Size: 44mm x 24mm Box Pack - No Warranty

Features Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to Serial I/O for Minimum Pin Count 2.0V to 5.5V Full Operation Uses Less than 300nA at 2.0V Single-Byte or Multiple-Byte Burst Mode data Transfer for Read or Write of Clock or RAM Data Board Size: 44mm x 24mm" Facebook page;ElectronicsArena.com Box Pack - No Warranty

Features Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to Serial I/O for Minimum Pin Count 2.0V to 5.5V Full Operation Uses Less than 300nA at 2.0V Single-Byte or Multiple-Byte Burst Mode data Transfer for Read or Write of Clock or RAM Data Board Size: 44mm x 24mm" Facebook page;ElectronicsArena.com

Features: Two wire I2C interface Hour & Minutes & Seconds AM/PM Day & Month & Year Date Size: 28x25x10mm approx Leap year compensation DS based RTC with LIR battery Battery include 1Hz output pin 56 Bytes of Non-volatile memory available to user Package included: 1x DS module 1x LIR battery" Box Pack - No Warranty

features: two wire i2c interface hour and minutes and seconds am pm day and month and year date size: 28x25x10mm approx leap year compensation ds based rtc with lir battery battery include 1hz output pin 56 bytes of non volatile memory available to user package included: 1x ds module 1x lir battery

features: two wire i2c interface hour and minutes and seconds am pm day and month and year date size: 28x25x10mm approx leap year compensation ds based rtc with lir battery battery include 1hz output pin 56 bytes of non volatile memory available to user package included: 1x ds module 1x lir battery" Box Pack - No Warranty

Features Two wire I2C interface Hour Minutes Seconds AMPM Day Month Year Date Size 28x25x10mm approx Leap year compensation DS based RTC with LIR battery Battery include 1Hz output pin 56 Bytes of Non-volatile memory available to user Package included 1x DS module 1x LIR battery Box Pack - No Warranty

“Features: Two wire I2C interface Hour & Minutes & Seconds AM/PM Day & Month & Year Date Size: 28x25x10mm (approx) Leap year compensation DS1307 based RTC with LIR2032 battery (Battery include) 1Hz output pin 56 Bytes of Non-volatile memory available to user Package included: 1x DS1307 module 1x LIR2032 battery”

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ZK software TX628 Double Recognition Engine Fingerprint Attendance Time Clock TCP/IP RS232 RS485.Color TFT screen with GUI Interface for ease of use.ZK Optical Sensor.1 touch a-second user recognition.Stores templates and transactions.Reads Fingerprint and/or PINs.Optional integrated proximity or smart card reader.Built-in Serial and Ethernet ports.Built-in USB port optional, allows for manual data transfer when network isn't available.Built in bell scheduling.Real-time 1-touch data export 3rd party hosted & non-hosted applications.Audio-Visual indications for acceptance and rejection of valid/invalid fingers.SDK available for OEM customers and software developers Fingerprint Capacity: templates Card Capacity: Transaction Capacity: Sensor: ZK Optical Sensor Algorithm Version: ZK Finger v10.0 Communication: RS, TCP/IP,USB-host,USB-client Optional Functions:Webserver,Printer,9 digit user ID Display: 3 inches TFT Screen Power Supply: 5V DC 2A Operating Temperature: 0 °C- 45 °C Operating Humidity:% Dimension: mm Gross Weight:0.90 kg CALL US AT: 021-/ (ANY TIME 24-HOURS SERVICE AVAILABLE) Box Pack- Warranty: 1 Year

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ZK software TX628ID Double Recognition Engine Fingerprint Attendance Time Clock TCP/IP RS232 RS485.Color TFT screen with GUI Interface for ease of use.ZK Optical Sensor.1 touch a-second user recognition.Stores templates and transactions.Reads Fingerprint and/or PINs.Optional integrated proximity or smart card reader.Built-in Serial and Ethernet ports.Built-in USB port optional, allows for manual data transfer when network isn't available.Built in bell scheduling.Real-time 1-touch data export 3rd party hosted & non-hosted applications.Audio-Visual indications for acceptance and rejection of valid/invalid fingers.SDK available for OEM customers and software developers Fingerprint Capacity: templates Card Capacity: Transaction Capacity: Sensor: ZK Optical Sensor Algorithm Version: ZK Finger v10.0 Communication: RS, TCP/IP,USB-host,USB-client Optional Functions: ID/Mifare/HID,Webserver,Printer,9 digit user ID Display: 3 inches TFT Screen Power Supply: 5V DC 2A Operating Temperature: 0 °C- 45 °C Operating Humidity:% Dimension: mm Gross Weight:0.90 kg CALL US AT: 021-/ (ANY TIME 24-HOURS SERVICE AVAILABLE)