{"product_id":"ds1302-rotating-5v-module-alarm-electronic-digital-clock-led-temperature-display-diy-kit-scm-learning-board","title":"DS1302 Rotating 5V Module Alarm Electronic Digital Clock LED Temperature Display DIY Kit SCM Learning Board","description":"\u003cp\u003eDS1302 Digital LED Display Module Alarm Electronic Digital Clock LED Temperature Display DIY Kit SCM Learning Board 5V Rotating\r\nNOTE :We NOT offer any Battery ,pls know it .before you place the order  !!!!!!\r\nFunction:\r\n1. Electronic clock function. Four digital tube display time function.\r\nEvery second, digital tube, two points on a flashing, at the same time,\r\nthe casing outside the clock LED will take turns to light up a\r\ntake turns bright finish a circle represents the clock through a minute\r\n2. Date display. Through the key switch, you can see the preset date.\r\nSpecific look at the following keys function description\r\n3. Alarm function. Through the button switch, you can set the alarm clock function.\r\nWhen to set the alarm time, buzzer sounds, if not,\r\nmanually turn off the buzzer will continue to ring for 10 minutes.\r\nSpecific look at the following keys function description\r\n4. Burning function. The reserved buffer program interface,\r\ncan change to the circuit board to do procedure, easy to operate\r\n5. Real time clock function. Tone after a preset time, even if the power lost,\r\nagain after power on, no need to set a time\r\n6. Temperature display function.\r\nUnder the time display mode, press PLUS, can display the current temperature\r\n7. Many mode display function. Outer LED display has four modes,\r\ncan cooperate to add key implementation, through the model key\r\nMode 0: is also the default display mode, all the 1-12 hours red digital tube light,\r\nwhen the clock through a second, is the green digital tube is take turns to light up a.\r\nMode 1: as the clock through a second, outer ring LED lit one by one,\r\nthat is 60 seconds, outer ring all the LED light.\r\nThe next minute, all leds light up, and through the clock for a second, put out one by one.\r\nAnd the next minute, leds light up one by one again, so alternates.\r\nMode 2: when the clock through a second, outer ring take turns to light up a LED.\r\nThe first seconds, only the first LED light, 2 seconds only the second LED light.\r\nMode 3: when the clock through a second, outer LED turns off a.\r\nThe first seconds, only the first LED out, only the second LED out 2 seconds.\r\nKey Function:\r\nPLUS key, for years, months, days, hours, minutes, seconds add operation.\r\nAccording to the numerical sum 1 at a time\r\nMODE key, can be in display clock, switch to the year, month, day, hours, minutes, alarm clock,\r\nthe adjustment of outer ring LED display state.\r\nTo use add key to the year, month, day, hours, minutes, seconds, and display mode to adjust\r\nRST key, press the reset button, then the MCU reset\r\nSpecification:\r\nSize: 81mm x 81mm x 1.6mm\r\nPCB thickness: 1.6 mm\r\nMaterial: FR4 military level\r\nPCB color: Blue\r\nDigital Tube display: Red\r\nPower supply voltage: mini USB, external connection 5V ,3V button battery for clock chip on the board of the standby power supply\r\nPackage included:\r\n1 x  DS1302 Rotating LED Electronic Digital Clock DIY Kit 51 SCM Learning Board 5V\u003c\/p\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1006\/1280\/0788\/files\/90b153151040bccb367c53c38f9e1279.jpg?v=1777121854\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1006\/1280\/0788\/files\/782c529bc5727fe37264d1b02ece206f.jpg?v=1777121858\"\u003e\u003cbr\u003e","brand":"Annuosen","offers":[{"title":"Default Title","offer_id":52398304624916,"sku":"309558-1-","price":5.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/1280\/0788\/files\/179681ffa4843a13c25d5e57fb34d45d.jpg?v=1777121850","url":"https:\/\/annuosen.com\/products\/ds1302-rotating-5v-module-alarm-electronic-digital-clock-led-temperature-display-diy-kit-scm-learning-board","provider":"Annuosen","version":"1.0","type":"link"}