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
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Power State Machine Diagram

How the controller's state machine operates.
V2 styled 01 hzp871nwbo

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 • 8 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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