Witty Pi 3 Rev2: Realtime Clock and Power Management for Raspberry Pi Strips If you buy less than

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Five CR2032 Batteries

so if you've used that then you'll know exactly what to do

1x Wired Miniature Electret Microphone

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Witty Pi 3 Rev2: Realtime Clock and Power Management for Raspberry Pi Strips If you buy less thanWitty 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