{"product_id":"witty-pi-3-mini-rtc-power-management-for-raspberry-pi-zero-discontinued","title":"Witty Pi 3 Mini - RTC + Power Management for Raspberry Pi Zero [Discontinued]","description":"\u003cp class=\"p1\"\u003eWitty Pi is small electronic circuit board that can add a real-time clock and power management to your Raspberry Pi. The Witty Pi 3 Mini is a new member of the third generation of Witty Pi, and it has pHAT shape (Raspberry Pi Zero size).\u003c\/p\u003e \u003cp class=\"p1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"p1\"\u003eThe Witty Pi 3 mini is packed with power management features such as:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYou can\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003egracefully\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003eturn on\/off Raspberry Pi with single tap on the switch.\u003c\/li\u003e \u003cli\u003eAfter shutdown, Raspberry Pi and all its USB peripherals’ power are fully cut.\u003c\/li\u003e \u003cli\u003eRaspberry Pi knows the correct time, even without accessing the Internet.\u003c\/li\u003e \u003cli\u003eRaspberry Pi knows the temperature thanks to the sensor in RTC chip.\u003c\/li\u003e \u003cli\u003eYou can schedule the startup\/shutdown of your Raspberry Pi.\u003c\/li\u003e \u003cli\u003eYou can even write a script to define complex ON\/OFF sequence.\u003c\/li\u003e \u003cli\u003eMonitor external voltage and turn on\/off your Raspberry Pi accordingly\u003cspan class=\"s4\"\u003e.\u003c\/span\u003e\n\u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"p1\"\u003e\u003cstrong\u003eRaspberry Pi Support\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"p1\"\u003eThe Witty Pi 3 Mini supports all Raspberry Pi models with a 40-pin GPIO header, including A+, B+, 2B, Zero, Zero W, 3B, 3B+, 3A+ and 4B.\u003c\/p\u003e \u003cp class=\"p1\"\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThe Witty Pi 3 Mini uses the same software as the Witty Pi 3. You just need to run these two commands in your Raspberry Pi to install the software:\u003c\/p\u003e \u003cp style=\"padding-left: 40px;\"\u003ewget https:\/\/www.uugear.com\/repo\/WittyPi3\/install.sh\u003c\/p\u003e \u003cp style=\"padding-left: 40px;\"\u003esudo sh install.sh\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDifferences with the Witty Pi 3\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eComparing to the Witty Pi 3, the Witty Pi 3 \u003cstrong\u003eMini\u003c\/strong\u003e uses the same RTC chip (DS3231SN) and same micro-controller (ATtiny841). The main difference is the \u003c\/span\u003eLDO voltage regulator (LM29150)\u003cspan\u003e which is \u003cspan style=\"text-decoration: underline;\"\u003enot\u003c\/span\u003e populated on the Witty Pi 3 Mini. This reduces the cost for those who don’t need an LDO, and also makes things easier to integrate a different DC\/DC module into the Witty Pi 3 Mini.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"p1\"\u003eThe Witty Pi 3 Mini uses a super capacitor (0.08F, or 80000uF) instead of the coin-cell battery used in the Witty Pi 3 for time keeping via the built-in RTC.\u003c\/p\u003e \u003cp\u003eYou can find more information in its user manual: https:\/\/www.uugear.com\/doc\/WittyPi3Mini_UserManual.pdf\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eEach Witty Pi 3 Mini package contains:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWitty Pi 3 Mini board x 1\u003c\/li\u003e \u003cli class=\"li1\"\u003eM2.5 x 10mm plastic screw x 4\u003c\/li\u003e \u003cli class=\"li1\"\u003e4mm spacer x 4\u003c\/li\u003e \u003cli class=\"li1\"\u003eM2.5 plastic nut x 4\u003c\/li\u003e \u003c\/ul\u003e","brand":"UUGear","offers":[{"title":"Default Title","offer_id":51616985317682,"sku":"xwg1787257886599","price":11.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/0289\/8482\/files\/witty-pi-3-mini---rtc-power-management-for-raspberry-pi-zero-discontinued_1.jpg?v=1787257891","url":"https:\/\/www.mapleborough.shop\/products\/witty-pi-3-mini-rtc-power-management-for-raspberry-pi-zero-discontinued","provider":"My Store","version":"1.0","type":"link"}