James Lewis
Published © CC BY

Raspberry Pi Soft Power Controller

AVR-based power controller to power on and shut down a Raspberry Pi (properly).

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Raspberry Pi Soft Power Controller

Things used in this project

Hardware components

ATmega32U4
Microchip ATmega32U4
×1
NJM2870
Simple LDO with active high enable pin.
×1

Story

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Schematics

LDO Schematic

This is the interface between the Pi and Switching regulator

Power State Machine Diagram

How the controller's state machine operates.

Code

Github

The repository has the services and c-code with wiringPi that need to be installed on the RetroPie.

Credits

James Lewis

James Lewis

7 projects • 9 followers
Enginerd at night. Electrical Engineer on paper. Fan of making things that blink, fly, or beep. Creator of: http://addohms.com

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