PiVoyager is a UPS for the Raspberry Pi With a Real-Time Calendar Clock

The Raspberry Pi is a powerful SBC (Single Board Computer), and aside from being used for everyday computing stuff, the Raspberry Pi can be embedded as the brain of various projects. Using the Raspberry Pi for standalone projects do create some concerns about power. How do I power the Pi? Should I get a power bank? Or maybe I need a longer wired connector.

PiVoyager: the smart UPS for the Raspberry Pi.
PiVoyager: the smart UPS for the Raspberry Pi.

If powering your Raspberry Pi based project has always being a concern to you, then you don’t have to worry about it again with the introduction of the PiVoyager. The PiVoyager is an uninterruptible power supply (UPS) for the Raspberry Pi specially designed to work with standard Li-Ion or LiPo batteries.

It is shaped in the form a Pi Zero HaT making it fully compatible with PiZero form factor, but nevertheless, it will still work with any Raspberry-PI having the conventional 40-pin header found in the Pi 2,3, B+, and 4.

The PiVoyager was made by Omzlo, the team behind the NoCAN IoT Platform. The UPS Hat goes a step above standard UPS device; it comes with a programmable watchdog, wake-up and a real-time calendar clock that can be used with the Raspberry

PiVoyager: the smart UPS for the Raspberry Pi.

The PiVoyager is not the only UPS HaT designed for the Raspberry Pi. PiJuice Zero is a similar UPS device with a slightly hefty price, LiFePO4wered/Pi+ is another one that relies on LiFeP04 (Lithium Iron Phosphate) battery which is said to be safer and longer-lasting albeit at the cost of lower capacity, and some others as well.

The PiVoyager can power the Pi and charge a Li-Ion/LiPo battery simultaneously. When the HaT is plugged to a USB power course, it charges and powers the Pi. It supports a charge current of 1A (default) or 0.5A for the battery. With the USB power removed, it can provide up to 2.1A max at 5V to the Raspberry Pi automatically without switching the Pi off.

The RTC (Real-Time Calendar) on the PiVoyager can store the current date and time. Some of the possibilities with the PiVoyager are:

  • Monitor power status and battery voltage.
  • Force the Raspberry Pi to shut down after a specified delay entirely.
  • Act as a watchdog, powering down the Raspberry Pi if it becomes inactive.
  • Power up the Raspberry Pi at a specific date/time (alarm).
  • Power up the Raspberry Pi after a certain delay.
  • Update the firmware through I2C thanks to a built-in bootloader.

PiVoyager: the smart UPS for the Raspberry Pi.

A battery protection circuity isn’t built into the PiVoyager, so if you mistakenly misconnect the terminals of your battery to the HaT, things could go wrong. There is battery connector, and an alternative 2.54mm 2-pin header is also provided for battery connection.

The PiVoyager is available for purchase on Tindie for $27.95 without VAT and shipping. With VAT, the price could go up to $34.66. The PiVoyager is targeted at batteries with a nominal voltage of 3.7V, a charging voltage of 4.2V and supporting a charge current of 1000mA

More information about the product is available on the product page as well. Also, the hardware design is open-source and available at GitHub, and the software firmware is available here.

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