max-power: Multi ATX Cross Power
This is just a dumb PCB that I designed to end with the big mess of wall adapters I have under my TV, powering two RaspberryPi boards, several hard disks, routers, a USB hub, an HDMI to optical splitter, and maybe something more I'm missing right now. The board provides the following outputs:
- 2x5V standby (USB-A, always ON)
- 4x5V (USB-A)
- 6x12V (Terminal blocks)
- 4x3.3V (Terminal blocks)
It also features a power button and a power LED.
Usage
The board must be connected at least to an ATX power source (I use a very old 300W one) and to a Raspberry Pi (that will be always powered, I connect the one I use as home server). This RPi is connected to an internal ATX +5V_SB rail, so as long as the ATX PS is powered, so will be this RPi. To power ON/OFF all the power outputs (other than the +5V_SB ones), a small program on the RPi monitors:
- The power button on the board; and
- The network for specially crafted packets.
This way the PS can be switched ON/OFF either by pressing the power button, or by using an application (e.g. on a smartphone) to send power ON/OFF commands.
Licenses
Footprints and 3D modules under fp directory, have been obtained from http://smisioto.no-ip.org/elettronica/kicad/kicad-en.htm, and are under GPLv3 license. All other hardware CAD files in this repository are licensed under the CERN OHL 1.2 license.
Software sources under this repository are licensed under the GPLv3+ license.