1pcs Ds1302 Clock Module With Battery Real-time Clock Module For Arduino

US $900

Shenzhen, China
Jan 29th

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Items Description Features DS1302 real time clock module DALLAS DS1302 is the company launched trickle charge the clock chip, which contains a real-time clock / calendar and 31 bytes of static RAM, via a simple serial interface to communicate with the microcontroller. Real-time clock / calendar circuit provides seconds, minutes, hours, days, weeks, months, years of information, the number of days per month and leap year automatically adjust the number of days. Clock operation by AM / PM indicator decided to use 24 or 12 hour format. DS1302 between the microcontroller can simply adopt the way synchronous serial communication port only used three lines: (1) RST Reset (2) I / O data lines (3) SCLK Serial Clock. Clock / RAM read / write data in a byte or up to 31 bytes of character set type communication. DS1302 work to maintain low power consumption data and clock information when power is less than 1mW DS1302 key performance indicators: ? Real-time clock with energy calculations before 2100 seconds, minutes, hours, day, week, month, year capacity, as well as the ability to leap year adjustment ? serial I / O ports such a way that a minimum number of pins ? Wide operating voltage range 2.0 5.5V ? 2.0V, operating current of less than 300nA ? read / write clock or RAM data transfer mode, there are two single-byte and multi-byte transfer mode transmission character set ? 8-pin DIP package or an optional 8-pin SOIC surface mount package under ? simple 3-wire interface ? Vcc = 5V and TTL compatible ? Optional industrial temperature range of -40 to +85 ? dual power tubes used for the main power supply and backup power supply DS1302 real time clock module parameters are as follows: 1. PCB single panel, size: 44mm * 23mm * 1.6mm 2. with four positioning holes, diameter 3.1mm 3. backup battery is genuine celestial CR2032, Voltage 3V, current 260mAh, non-rechargeable batteries. Theoretical data retention time is more than 10 years! 4. Crystal 32.768KHz, Japan imported crystal, matching capacitance 6pF, size 2 * 6mm 5. DS1302 is made large 8-pin DIP chip, chip below IC socket for easy replacement and swap chips 6. module operating voltage compatible 3.3V/5V, can be connected with 5V and 3.3V microcontroller 7 Working temperature: 0°--- 70° Wiring methods (procedures in order to provide an example, you can access any IO port, modify the port definition in the program can be): VCC : +5 V/3.3V GND : GND CLK : P02 DAT : P01 RST : P00 Note: 1. VCC and GND Do not reversed, it would burn the chip 2. C51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines Package: 1pcs ISD1700 Series Voice Record Play ISD1760 Module Wholesale to save you more money! <Click> $14.25 $24.07 $27.28 $12.25 10pcs DHT11 Sensor 16x2 HD44780 Blue LCD TowerPro micro servo motor SG90 DC-DC Converter Step Up $10.39 $26.49 $1.79 $10.80 HC-05 Wireless Bluetooth Infrared Wireless Remote PCB SYB-120 PCB BreadBoard HC-SR04 Ultrasonic Module Hot Category in our shop! Discount up to 50%! Payment Shipping Feedback Returns About Us FAQ We accept PAYPAL payment ONLY. All the item(s) will shipped to your PAYPAL ADDRESS. Please update your Latest Detailed, Exact and Precise PAYPAL Address when purchase. (1) Items will be sent out in 1-2 working days when your payment is clear. (2) For US customers,We use E-Packet(China Post), delivered in 7-15 days. For Other countries, We use Singapore/Hongkong Post for Free shipping. 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If your item arrived damaged or defective we will set up a replacement free of charge. inkfrog terapeak On Apr-20-14 at 20:13:35 PDT, seller added the following information: inkfrog terapeak i000000 On Dec-31-14 at 07:05:46 PST, seller added the following information: