Banggood Wiring / Power Issue

[inches]

I'm curious why you're calling it a banggood item but you bought it from ebay.

You can go to banggood and search power boost module. From there look at a handful and see which might apply. You can find a few there that are 2 and above.

What kind of setup do you have though? You'll need a battery charger, right? This will only get you up to the 5v (generally) needed for a standard Pi operation.

[Lphillimore]

@inches

Maybe im generalising the name however it's exactly the same unit listed on the Banggood website:

http://www.banggood.com/3Pcs-5V-1A-Char ... mds=search

This seems to be the same module used by others for their builds (with Pi Zeros) such as:

@rodocop - http://www.sudomod.com/forum/viewtopic. ... ood#p23476

@kapakai - http://www.sudomod.com/forum/viewtopic. ... ood#p28075

@HoarseHorace - http://www.sudomod.com/forum/viewtopic.php?f=9&t=2018

Also, @retrogamingnow noted he's been using these modules for builds with Pi3's in and had no issues so just curious initially as i couldn't get it working without attaching the battery.

My setup is pretty standard. This is my third build but first not using an Adafruit Powerboost. See here:

http://www.sudomod.com/forum/viewtopic. ... ood#p28323

Essentially:

Pi Zero W
Screen
USB Hub
Button PCB
2500mah lipo
USB Audio (not yet installed).
etc

[inches]

Sorry, forum issues caused a double post and I edited the first but didn't see my second. I looked at your first post again and it made more sense.

I'd say if you are getting dimming lights, check the power adapter board with all the 5v and G outs and make sure 5v is going through them, then see if 5v is getting to your Pi. If it's less than 5v at the Pi, it's likely that its a current drop.

A cheap Chinese board like that might not actually be 1A. It could maybe be something like 600mA standard but 1A max, and the max is only supposed to be used for a few seconds or something, idk. Is it hot to the touch?

Also, it simply could be a bad unit or never actually 1A in the first place but they advertise as such. Hard to tell. You get what you pay for! But usually you can buy 5 or 10 of a cheap Chinese item and a few will work for the same price as a really expensive local one. Or they all work but you took a gamble on it.

Anyway, check for 5v and see what you get.

[Lphillimore]

Sorry, forum issues caused a double post and I edited the first but didn't see my second. I looked at your first post again and it made more sense.

I'd say if you are getting dimming lights, check the power adapter board with all the 5v and G outs and make sure 5v is going through them, then see if 5v is getting to your Pi. If it's less than 5v at the Pi, it's likely that its a current drop.

A cheap Chinese board like that might not actually be 1A. It could maybe be something like 600mA standard but 1A max, and the max is only supposed to be used for a few seconds or something, idk. Is it hot to the touch?

Also, it simply could be a bad unit or never actually 1A in the first place but they advertise as such. Hard to tell. You get what you pay for! But usually you can buy 5 or 10 of a cheap Chinese item and a few will work for the same price as a really expensive local one. Or they all work but you took a gamble on it.

Anyway, check for 5v and see what you get.

All good with getting it to work in the end. Needs the battery connected which, once done resolved my issue.

That said you're right, these are cheap and Chinese. I know a few people are using them so wanted to give one a go. Undecided so far. Will fully charge the battery and see how it performs, As for the module itself though, yes. It does run hot. Once ive fully tested i'll know more. Just finished (95%) this build so will experiment and compare to my other build with the same battery but a Powerboost 1000c.

Worst case ill swap in a Powerboost as i know these work fine.

[Kaikai]

Help guys!

First time ive used a Banggood power supply as on my previous two builds i used the Adafruit Powerboost.

Banggood Power Supply Wiring.jpg

Have wired up as per the diagram above.

When i connect my micro USB charger, red light comes on on the Bangood. All ok.

I then connected my USB hub to the powerboard. All ok.

My USB hub has a blue LED and that's nice and bright when the Gameboy switch is on.

Problem is that as soon as i add more to the powerboard the LED on the USB hub dims considerably. I hooked up the Pi, screen etc and no output. The LED on the USB hub is dim which suggests there's a power issue?!

I unhooked screen, pi etc one by one and tried different combinations incase one of those was to blame but same fault.

Any ideas?

Regards

In your picture, what is the name of the purple board that is connected to the power switch and the usb port?

[Lphillimore]

@Kaikai That is one of the Powerboards / Power Strip PCBs

These are incorporated into the AIO boards but on this build im using a simple PCB.

You can get them here:

https://oshpark.com/shared_projects/tQqjx16m

[Kaikai]

@Kaikai That is one of the Powerboards / Power Strip PCBs

These are incorporated into the AIO boards but on this build im using a simple PCB.

You can get them here:

https://oshpark.com/shared_projects/tQqjx16m

Thanks a lot! i just ordered them. I also ordered a 6pin power switch, as the one with the original gameboy is 4 pins. But.. could i actually use the 4 pin one?

[rodocop]

@Kaikai

Yeah you can use the original gameboy switch. See Wermy's guide part 4.

http://sudomod.com/game-boy-zero-guide-part-4/

[Kaikai]

@Kaikai

Yeah you can use the original gameboy switch. See Wermy's guide part 4.

http://sudomod.com/game-boy-zero-guide-part-4/

Yes i see him using that original one. I was just curious if the 6 pin switch has more states than the 4 pin ones, and that it would matter. The one in the guide completely cuts the power when moved to the next notch, will that also happen with 6 pin wireing?

Also, does the purple power strip work exactly like the soldered breadboard in his guide? the one that connects all the power sources?

Very greatfull for the help, i'm just a noob following great people's guide (and learning lots in the process!)

[Lphillimore]

@Kaikai

As far as im aware the 4 or 6 pin just have 2 states in relation to GBZ' - On or Off

They may offer more functionality when wired up in other scenarios but i'm not sure.

I've used 6 pin ones to date but only ever need 2 of the pins for the GBZ so cut the others off.

The purple powerboard is just a distributor of 5V and ground (one input source for each) and offers multiple pads depending on how many things you needs to power / wire up:

- Screen
- Pi
- USB hub etc...

As for the breadboard, yes this is just used to test circuits prior to finalising etc. I never used a breadboard on my builds as people (like Wermy) haver already tested and drawn up the circuits you need in most cases.

Are you currently working on a build?