Felix wrote:@Camble, I think I found a solution but it actually makes the pololu obselete. The solution is mechanical in the meaning of a small relay switch. I'll attach a picture of the wiring.

Good thinking. I hadn't considered a relay.

But then how do you switch out the battery in the wild? Can we wire the connector that the powerboost has to the pololu? I absolutely want to find a fix for the powerboost always being on and connected, but also want to be able to remove the battery on the fly. Two... power supplies? :lol: I think ...

Can't the Pololu be wired directly to the battery, with the Powerboost connected to the output of the Pololu? But then how do you switch out the battery in the wild? Can we wire the connector that the powerboost has to the pololu? I absolutely want to find a fix for the powerboost always being on a...

So, I want to use the code but I'm not going to use a pololu. The part that I want to use is the low battery and instead of a slide switch I want a tactile switch that gives the command to shutdown the rp0 if it's been pressed for ~2sec. That's for the rp0 shutdown, for the shutting down of the pow...

Well according to AdaFruit, the Power boost only draws 20uA when off, so might not be such a big issue.

The cheap alternative supply uses 180uA. Still not much, but quite a difference.

SidSilver wrote: Yes, everything is shut off after the pi shuts down, but the powerboost stays always on (see the blue led)
It would be better if everything including the powerboost were shut off.

Ah, I didn't realise that. I'm assuming there will be a way to do that. I haven't got my supply yet.

SidSilver wrote:Pardon me if the question has already been asked but, with this wiring, the powerboost is always "On".
Is it ok like that ? Won't it discharge the battery slowly or lower the lifetime of the powerboost ?

The point of this setup is so that the power supply is off when the Pi shuts down.

Felix wrote:Well thanks to @silvusvalentine for the vectors, now I made some too.

Wow, I really like this! Nice job!

Soldered the ribbon cable to the cartridge slot. Won't be long before I can test it on the Pi.
[spoiler="Cartridge and slot"]
[/spoiler]

I took the time to make my microSD cartridge yesterday. I tried to find a game which wasn't very good, but in excellent condition. Sorry Nigel... http://i.imgur.com/oLDUPa4.jpg I carved the hole from the back by hand. Took a fair bit of time, but I wanted it to be as precise as possible. The SD card...