Raspberry Pi add-on board for Smart Power Management and additional GPIO. Run Raspberry Pi on Battery Power Extend RPi battery life from hours -> weeks/months Deep Sleep, with Wake on Event or Time On-board Arduino for user programs Adds Arduino Analogue & PWM IO Battery-backed Real-Time clock/calendar Avoid SD Card corruption with proper shutdown Works with all 40-pin Raspberry Pi Models (Zero/W, A+, B+/Rpi2, Rpi3B/3B+ and Rpi 4 – see caveat below) I will try and ship the same day if you buy on a business day. I'm also including the programming hat.
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