{"product_id":"rtc-watchdog-hat-b-for-raspberry-pi-onboard-ds3231sn-high-precision-rtc-chip","title":"RTC WatchDog HAT (B) For Raspberry Pi, Onboard DS3231SN High Precision RTC Chip","description":"\u003cdiv class=\"overviewSec\"\u003eRTC WatchDog HAT (B) For Raspberry Pi, Onboard DS3231SN High Precision RTC Chip\u003c\/div\u003e\u003cdiv class=\"richWrap\"\u003e\u003cdiv class=\"pdT\" style=\"background: #F0F0F0;\"\u003e\u003cdiv class=\"richTitle\"\u003eRTC WatchDog HAT (B) \u003cspan class=\"hilitBlock\"\u003efor Raspberry Pi\u003c\/span\u003e\u003c\/div\u003e\u003cp class=\"hilitBlock2\" style=\"background: #FF0049;\"\u003eReal time clock, watchdog, all in one compact module\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-details-1.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eDesigned for Raspberry Pi series\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eStandard Raspberry Pi 40PIN GPIO header, for Raspberry Pi series boards, Jetson Nano\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-details-3.jpg\" \/\u003e\u003cdiv class=\"msg msg_warning\"\u003efor reference ONLY, the Raspberry Pi boards and Jetson Nano are NOT included.\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eAuto reset monitoring\u003c\/div\u003e\u003cp class=\"richDesc\"\u003emonitoring circuit with auto reset function, using I2C communication\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-details-5.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eHigh precision RTC\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eincorporates DS3231SN high precision RTC chip, with backup battery holder\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-details-7.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eWhat's On Board\u003c\/div\u003e\u003cimg class=\"mgnTB\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-details-intro.jpg\" \/\u003e\u003cdiv class=\"richGridWrap richGridWrap-valignTop richGridWrap-2c alignl subBlock bgGrey\"\u003e\u003cdiv\u003e\u003col\u003e\u003cli\u003e\u003cstrong\u003eUSB Type-C power input\u003c\/strong\u003e\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eCH32V003 watchdog\u003c\/strong\u003e\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eCR1220 RTC battery holder\u003c\/strong\u003eRTC power supply, supports CR1220 button cell\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eWatchdog status indicator\u003c\/strong\u003e\u003cul\u003e\u003cli\u003eBlinking rapidly at a frequency of 100ms when the watchdog overflows\u003c\/li\u003e\u003cli\u003eAfter the watchdog overflows and runs the reboot command, it will blink at a frequency of 500ms if the host is detected as not having powered off\u003c\/li\u003e\u003cli\u003eKeeps on when the watchdog function is turned on\u003c\/li\u003e\u003cli\u003eKeeps off when the watchdog function is turned off\u003c\/li\u003e\u003c\/ul\u003e\u003c\/li\u003e\u003c\/ol\u003e\u003c\/div\u003e\u003cdiv\u003e\u003col start=\"5\"\u003e\u003cli\u003e\u003cstrong\u003ePower indicator\u003c\/strong\u003e\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eRaspberry Pi 40PIN GPIO header\u003c\/strong\u003e  for connecting to Raspberry Pi\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eRTC chip\u003c\/strong\u003e              DS3231 high precision RTC chip\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eWatchdog reset pin selection\u003c\/strong\u003e\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eControl interface\u003c\/strong\u003e              for use with other host boards\u003c\/li\u003e\u003c\/ol\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003ePinout definition\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-details-inter.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eProduct show\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-details-9.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eOutline dimensions\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-details-size.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_banner.png\" \/\u003e\u003cdiv class=\"bgGrey\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_content.png\" \/\u003e\u003chr\u003e\u003cdiv\u003e\u003cstrong\u003eWIKI:\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/RTC_WatchDog_HAT_(B)\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/RTC_WatchDog_HAT_(B)\u003c\/a\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp class=\"subBlock alignl\"\u003e* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003col\u003e\u003cli\u003eRTC WatchDog HAT (B) x1\u003c\/li\u003e\u003cli\u003e2×20PIN female header x1\u003c\/li\u003e\u003cli\u003eStandoffs pack x1\u003c\/li\u003e\u003c\/ol\u003e\u003cdiv class=\"imgTextWrap\"\u003e\u003cdiv\u003e1\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RTC-WatchDog-HAT-B\/RTC-WatchDog-HAT-B-1_220.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e2\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accessories\/2x20-2.54-8.5-12-female-header-black_93.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e3\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/general\/6-angle-M25x15-Copperx4pcs_93.jpg\" \/\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568465535313,"sku":"WSAL25766","price":5413.66,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal257661-449961.jpg?v=1776675074","url":"https:\/\/albistech.eu\/de\/products\/rtc-watchdog-hat-b-for-raspberry-pi-onboard-ds3231sn-high-precision-rtc-chip","provider":"Albistech","version":"1.0","type":"link"}