![Power module for MacArthur HAT](https://shop.openmarine.net/79-large_default/power-module-for-macarthur-hat.jpg)
![Power module for MacArthur HAT](https://shop.openmarine.net/79-large_default/power-module-for-macarthur-hat.jpg)
Optional 12V to 5V DC/DC converter for the MacArthur HAT to power the Raspberry Pi and its peripherals (including touch screens up to 10 inches). When you turn off the main switch of your ship, OpenPlotter will shut down safely. OpenPlotter will start cleanly when the main switch is turned on again.
If you are in the United States or surrounding areas, buy at the Wegmatt store to get the products sooner and cheaper.
Pololu 5V, Step-Down Voltage Regulator D36V28F5.
More detailed specifications are available on the Pololu website.
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