{"product_id":"ds1302-real-time-clock-module","title":"DS1302 Real Time Clock Module","description":"\u003ch5 class=\"ui-accordion-header ui-helper-reset ui-state-default ui-state-active ui-corner-top\" role=\"tab\"\u003eDS1302 Real Time Clock Module Overview:\u003c\/h5\u003e\n\u003cdiv id=\"overview\" class=\"tabbed overview ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content-active\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"field-body\"\u003e\n\u003cp\u003eThe DS1302 Real-Time Clock Module provides a DS1302 real-time clock with a 32 kHz crystal and on-board battery backup, all in a small SIP module that can be easily plugged into a breadboard.\u003c\/p\u003e\n\u003cp\u003eThe DS1302 provides seconds, minutes, hours, date, day of week and year with leap-year compensation up to the year 2100. You can use 24-hour mode or 12-hour mode with AM\/PM indication and there are 31 bytes of RAM that are also battery-backed. BASIC Stamp 2 example code is available under Downloads, and a Propeller Spin object is linked under Additional Resources.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan class=\"forte\"\u003eFeatures:\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eOn-board CR1220 battery holder\u003c\/li\u003e\n\u003cli\u003eSPI interface supports 3-wire or 4-wire synchronous serial connection\u003c\/li\u003e\n\u003cli\u003eWide operating voltage supports 3.3V and 5V microcontrollers\u003c\/li\u003e\n\u003cli\u003eConvenient SIP header makes breadboarding easy\u003c\/li\u003e\n\u003cli\u003eCoin-cell battery included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan class=\"forte\"\u003eApplication Ideas:\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eElectronic Clock\u003c\/li\u003e\n\u003cli\u003eDatalogger\u003c\/li\u003e\n\u003cli\u003eSprinkler Control Timer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cspan class=\"rotforte\"\u003eNOTE:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e Do not enable the on-board DS1302 IC's trickle-charging circuit. Because this module contains a lithium coin-cell battery for backup, enabling the trickle-charging circuit could damage the battery and\/or module.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan class=\"forte\"\u003eDS1302 Real Time Clock Module Key Specifications:\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e Voltage requirements: 3.3-5 VDC\u003c\/li\u003e\n\u003cli\u003e Current requirements: 3.2 mA @ 5 VDC\u003c\/li\u003e\n\u003cli\u003e Communication: 3 or 4-wire Synchronous Serial (SPI) Interface\u003c\/li\u003e\n\u003cli\u003e Dimensions: 1.22 x 0.6 in (31.2 x 15.5 mm)\u003c\/li\u003e\n\u003cli\u003e Operating temperature range: +32 to +158 °F (0  to +70 °C)\u003c\/li\u003e\n\u003cli\u003eNot RoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"http:\/\/obex.parallax.com\/search\/DS1302\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eDS1302 Propeller Spin objects\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/DS1302_RTC_Board\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eDevelopment resources\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":53397220524341,"sku":"29125","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/6307\/2821\/files\/721c8f6a-29125.png?v=1787781821","url":"https:\/\/shop.parallax.com\/products\/ds1302-real-time-clock-module","provider":"Parallax Inc","version":"1.0","type":"link"}