Witty Pi 3 Rev2: Realtime Clock and Power Management for Raspberry Pi

Witty Pi 3 is the third generation of Witty Pi, and Witty Pi 3 Rev2 is the second revision of Witty Pi 3 (first revision can be found here). It adds realtime clock (RTC) and power management to your Raspberry Pi, and can define complex ON/OFF sequence with simple script. Witty Pi 3 Rev2 supports all Raspberry Pi models with 40-pin header, including A+, B+, 2B, Zero, Zero W, 3B, 3B+, 3A+ and 4B. You just need to run these two commands in your Raspberry Pi to install Witty Pi 3’s software: 1 2 3 pi@raspberrypi:~ $ wget http://www.uugear.com/repo/WittyPi3/install.sh   pi@raspberrypi:~ $ sudo sh install.sh Then you mount Witty Pi 3 Rev2 on your Raspberry Pi, and enjoy these amazing features provided by Witty Pi 3 Rev2: Power your Raspberry Pi with higher voltage (up to DC 28V). Gracefully turn on/off Raspberry Pi with single tap on the button. Fully cut the power of Raspberry Pi and all its USB peripherals after the shutdown. Automatically synchronise time between