Tackling Graceful Shutdowns on the GBZ

[Max]

This is really awesome ! In a few months, with all the custom PCB, it will be plug and play to make GBZ

[prerunnerseth]

@prerunnerseth you should look at producing this as a commercial product. I bet the GBZ isn't the only project this could be applied to. Pretty much all battery powered IoT devices need this. Amazing work!

My Thoughts exactly. I fully plan to sell these on a commercial scale.

@popcorn

I have my circuit running wonderfully, but having and have the Kill command running awesome too using GPIO power-off. ONly thing I'm missing is the daemon to detect when to shutdown from a command from the controller. Can you share where you found the information?

THanks

I think i found it... are you using the python script?

Whoops. Just saw this. (I was vacationing the last couple days so not reading everything). I'm using a Python script currently but have a proper daemon setup. It's a mish mash of code out there. Will post it when I'm happy with it.

The python script works great and is very simple, but if you come up with a better method, that would be great too.

[80sRetro]

I did find this, which should work for your design as well.
https://github.com/t-richards/mausberry-switch

[Popcorn]

Thanks but, I am not prepared to pay $25usd+ with shipping for this. I am not gonna pay more than a powerboost just for a low battery warning. My goal is to use a low footprint solution, and use what we have, and not spend more than $10 total. I'm currently testing with a transistor switch that costs about $0.10. I will ensure it is 100% and then post step-by-step instructions, probably by early next week.

[80sRetro]

Thanks but, I am not prepared to pay $25usd+ with shipping for this. I am not gonna pay more than a powerboost just for a low battery warning. My goal is to use a low footprint solution, and use what we have, and not spend more than $10 total. I'm currently testing with a transistor switch that costs about $0.10. I will ensure it is 100% and then post step-by-step instructions, probably by early next week.

I am only referring to the daemon not the switch itself.

[Popcorn]

Thanks but, I am not prepared to pay $25usd+ with shipping for this. I am not gonna pay more than a powerboost just for a low battery warning. My goal is to use a low footprint solution, and use what we have, and not spend more than $10 total. I'm currently testing with a transistor switch that costs about $0.10. I will ensure it is 100% and then post step-by-step instructions, probably by early next week.

I am only referring to the daemon not the switch itself.

Ahh cool. Thanks!

[Ganreizu]

I am only referring to the daemon not the switch itself.

Obviously since i'm quoting you i know that you weren't talking about the switch but just in case i wanted to mention that i bought a mausberry circuits switch for a different project and had a somewhat bad experience. I emailed them with no response and they took a significant amount of time to ship it out, so if you need their switches i suggest keeping your business with them down to a minimum.

[Max]

@popcorn & @prerunnerseth

How your solution works when you turn on the switch (accidentally) when the raspberry did not completely shutdown ?

[Ganreizu]

@popcorn & @prerunnerseth

How your solution works when you turn on the switch (accidentally) when the raspberry did not completely shutdown ?

I want to echo this question and ask the opposite. What happens when you flip it on and off immediately? I'm guessing both are bad things to do.

[prerunnerseth]

@popcorn & @prerunnerseth

How your solution works when you turn on the switch (accidentally) when the raspberry did not completely shutdown ?

I want to echo this question and ask the opposite. What happens when you flip it on and off immediately? I'm guessing both are bad things to do.

This is something I've been playing with a bit. flipping it off then immediately back on again I havent tried yet. I have tried turning it on then back off. The only issue with this is that depending on how long your Pi take to boot, it will time out and shut off anyways. If it has not timed out, then it will just immediately shut off once it has finished booting. I may just make the timer really long. it is only for cases where the Pi is frozen anyways.