Witty Pi 5 HAT+ – A Raspberry Pi RP2350-based power scheduler with time, temperature, and voltage-based triggers
Designed by UUGear, the Witty Pi 5 HAT+ is a power scheduler board for Raspberry Pi that features an RP2350 MCU for running scheduling logic. It includes a high-precision RTC with voltage and temperature monitoring for automated power on/off, making it suitable for solar-powered projects, environmental monitors, and industrial controllers that require scheduled power on/off control to extend battery life. The board follows the Raspberry Pi HAT+ specification and accepts power from either a 6V–30V DC input through a terminal block or a 5V USB-C supply, while delivering up to 5A to the Raspberry Pi and connected peripherals. It can also work as a simple UPS, thanks to its dual “ideal diode” configuration with an automatic switchover feature in case of power failure. Other hardware features include an onboard DC/DC converter, an ID EEPROM for HAT+ identification, a CR2032 RTC battery, and a wide –30°C to +80°C operating temperature range. […]






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