Prague-based UUGear have released a new version of their Witty Pi board for the Raspberry Pi. It is a power management board that can accept battery sources (via a XH2.54 connector) of up to 26V (although anything higher than 8V and you’ll want to investigate heatsink options) and provides a real-time clock for your Pi. It has a microcontroller (ATtiny841) on-board to do complex power up/power down operations. All the configuration is done through the I2C interface and there is a web application to help deal with your scheduling requirements.
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