[For Sale] Safe Shutdown v1.2 (for PowerBoost) SOLD OUT

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Camble
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[For Sale] Safe Shutdown v1.2 (for PowerBoost) SOLD OUT

Postby Camble » Sat Jan 21, 2017 6:05 am

SOLD OUT - Subscribe to this thread for notifications!

Safe Shutdown v1.2 for Adafruit Powerboost.

Update 6th March 2017: I'm planning to put another batch of these up for sale in a couple of weeks. I'm just waiting on delivery of more DPDT switches, so watch this space!

Summary:
  • Works with software to issue a shutdown command to the Pi.
  • Keeps system powered until Pi shuts down.
  • Works with Adafruit PowerBoost 500c/1000c.
  • Works with the PowerBoost LBO pin to alert you of a low battery.
  • DPDT switch included.
  • Octagonal PowerBoost Headers (BAT/EN/GND/LBO).
  • Circular Raspberry Pi Headers (3.3v/Shut-off/Keep-on/Low Battery).

Image

New in v1.2
Stable
Some people reported issues with the previous version shutting off immediately if the charging cable was connected. This has been resolved.

Robust
A slightly thicker PCB and ground planes on both sides mean this version is easier to solder and more resistant to heat. That said, these boards are still very small and heat up quickly, so please take care and use a low temperature when soldering.

Neater
The PowerBoost and Raspberry Pi headers are in the same order as the devices they connect to. This means you can use a ribbon cable without swapping any wires.

Compact
v1.2 is 4mm shorter. Every little helps!

Image

[+] More Pictures
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Image


Supplied:
  • Safe Shutdown PCB v1.2.
  • DPDT Switch.

Required:

Wiring guide:
  • Octagonal BAT connects to the Bat or Vs pin of the PowerBoost.
  • Octagonal EN connects to the EN pin of the PowerBoost.
  • Octagonal GND connects to the GND pin of the PowerBoost.
  • Octagonal LBO connects to the LBO pin of the PowerBoost.
  • Circular 3.3v is the 3.3v pin (physical pin 1 or 17)
  • Circular On is the keep-alive pin, usually BCM/GPIO22 (physical pin 15)
  • Circular Off is the shutdown pin, usually BCM/GPIO27 (physical pin 13)
  • Circular Low is the low battery pin, usually BCM/GPIO17 (physical pin 11)
Click here for the Raspberry Pi pinout.

Please take care when handling and soldering these boards. They include static-sensitive components and have a low thermal mass. Damaged boards with burnt traces or pads cannot not be replaced.

Also available:
I also have a limited quantity of the following heatsinks. Help keep your temperatures down passively.
Click the images below to add to your order! They come with thermal tape to fix them on.

This spiky heatsink fits the Raspberry Pi CPU.
Image
Image


These tiny heatsinks are a perfect fit for the PowerBoost and do a great job of keeping it cool. You will receive a pair.
Image
Image


Additional things to note:
  • This version will not work with an original DMG-01 power switch.
  • You may need a tiny blob of hot glue to prevent the PCB from rotating around the screw hole.

Software:
Please remember to install the Power Monitor script, otherwise the Pi will not shut down.
Also add the following line to /boot/config.txt, or the PowerBoost will not stay on while the Pi shuts down.

Code: Select all

dtoverlay=gpio-poweroff,gpiopin=22,active_low="y"

Safe Power Monitor
I am currently working on a new power monitor script. This script makes the changes to your /boot/config.txt automatically if you haven't already done so. It is also much easier to tweak settings, and logs events to a file to help with troubleshooting.
If anyone would like to test it out, here it is.

Finally:
This version uses the LBO pin on the PowerBoost in order to ensure the power is cut after a low battery shutdown. Unfortunately, with the boards I've received I have seen kernel panics at this point. I'm not sure if this is another issue with the sourced components for assembly, but the GBZ does shut off shortly afterwards.

As long as you are using a battery with a built-in protection board, there should be no real issue. The GBZ will eventually power off after a few minutes. I suspect the duration will vary from device to device (depending on the current draw of your components, and your battery capacity), but I'll be making adjustments to the script so it makes use of the remaining charge before shutting down.

This will only ever happen if the GBZ is left unattended and powered on. In a low battery situation, one would ideally connect a charging cable or switch the GBZ off until it can be charged. I wanted to be up front and mention it anyway.
Last edited by Camble on Mon Mar 06, 2017 7:00 am, edited 6 times in total.

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cristiamp
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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby cristiamp » Sat Jan 21, 2017 6:27 am

ordered¡¡¡¡
MP....
thanks

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coinend
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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby coinend » Sat Jan 21, 2017 6:42 am

Ordered mine
Thank you Camble

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Double0EK
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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby Double0EK » Sat Jan 21, 2017 7:21 am

Thank You Camble

Got mine ordered as well.

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RogerX
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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby RogerX » Sat Jan 21, 2017 7:31 am

Thanks, ordered one for each of my builds!

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Mischief
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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby Mischief » Sat Jan 21, 2017 7:52 am

Just a couple of questions, Have the reset switch pads been removed from this model? also has the immediate shutdown in certain games (emulator cores) been fixed?

Hopefully you will still have some available when I eventually get paid next week :D

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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby Rick » Sat Jan 21, 2017 7:52 am

Awesome thanks camble ordered 2

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Treguard
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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby Treguard » Sat Jan 21, 2017 8:13 am

Thanks. Ordered :)
Kudos to anyone in advance for doing a wiring diagram with Helders Aio 2.2 ;)

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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby jellybelly » Sat Jan 21, 2017 9:25 am

ordered 3 sets of the lot

cannot wait to add it to my old build and to my new one... o and one to have in stock for the future haha

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Re: [For Sale] Safe Shutdown v1.2 (for PowerBoost)

Postby lanyap » Sat Jan 21, 2017 10:46 am

Is there a Paypal button I'm not seeing? I've opened this thread in Firefox and Chrome and don't see a way to order but other threads' Paypal buttons show up. Confused.


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