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

Witty Pi 3 Mini adds RTC (DS3231SN) and power management to your Raspberry Pi, and can define complex ON/OFF sequence with a simple script. PRODUCT DESCRIPTION Witty Pi is small electronic circuit board that can add realtime clock and power management to your Raspberry Pi. Witty Pi 3 Mini is a new member of the third generation of Witty Pi, and it has pHAT shape (Raspberry Pi Zero size). After installing Witty Pi 3 Mini on your Raspberry Pi, you get some amazing new features: You can gracefully turn on/off Raspberry Pi with single tap on the switch. After shutdown, Raspberry Pi and all its USB peripherals’ power are fully cut. Raspberry Pi knows the correct time, even without accessing the Internet. Raspberry Pi knows the temperature thanks to the sensor in RTC chip. You can schedule the startup/shutdown of your Raspberry Pi. You can even write a script to define complex ON/OFF sequence. Monitor external voltage and turn on/off your Raspberry Pi accordingly. Witty Pi 3 Mini supports