Any source for project boxes for boards?

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ahull
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Re: Any source for project boxes for boards?

Postby ahull » Thu Jan 05, 2017 2:12 pm

HexTank wrote:What's the PCB like on the poundworld USB? Would be nice to utilize that as the mini usb's are crap.


Both powerbanks use micro USB connectors, but they are fairly substantial, and also slightly recessed which protects them from being lifted off the board to some extent. The youtube user bigclivedotcom in the video earlier in the post tears down both the Poundworld and Poundland powerbanks.

You could possibly remove the 18650 LiPo and put in a smaller one *and* squeeze the mm in to the case at the same time.
14500 cells are approximately the same size as an AA battery, and the charger PCB would work with these too, since these powerbanks charge with a pretty modest charge current and use some less than spectacular capacity cells.

If you squeezed all that in to the case and stuck one of those tiny OLEDs on the front you would have the ultimate laptop. :P
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HexTank
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Re: Any source for project boxes for boards?

Postby HexTank » Thu Jan 05, 2017 2:22 pm

ahull wrote:
HexTank wrote:What's the PCB like on the poundworld USB? Would be nice to utilize that as the mini usb's are crap.


Both powerbanks use micro USB connectors


Oh, the pictures you posted look like the full fat USB connectors.

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ahull
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Re: Any source for project boxes for boards?

Postby ahull » Thu Jan 05, 2017 2:46 pm

HexTank wrote:
ahull wrote:
HexTank wrote:What's the PCB like on the poundworld USB? Would be nice to utilize that as the mini usb's are crap.


Both powerbanks use micro USB connectors


Oh, the pictures you posted look like the full fat USB connectors.

There is one of each. The input to charge the thing goes in on the micro usb. The output used to charge your device goes out of the "full fat" USB connector. So you can use one to power the mm or BP simply by plugging in a USB to microusb between the powerbank output and the mm/bluepill

The mm draws about 60mA minimum up to about 100mA for most simple projects, so one 18650 powerbank (capacity somewhere between 500mAh and 1200mAh depending on whatever junky cells were available at the Shenzen market that day) will power the mm for several hours.
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HexTank
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Re: Any source for project boxes for boards?

Postby HexTank » Thu Jan 05, 2017 2:54 pm

Ah ok, that makes sense. My project is a PC to Zx Spectrum device so I need Data + Power running through either mico or full fat. Let's see what some solder and hot snot can acheive. :D

HexTank
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Re: Any source for project boxes for boards?

Postby HexTank » Mon Jan 09, 2017 12:14 am

Another one for the list, a 9v pp3 battery holder, can get them for a quid for China via Ali/eBay.

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ahull
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Re: Any source for project boxes for boards?

Postby ahull » Mon Jan 09, 2017 12:54 am

Spectacle cases are another possibility.

They come in any number of varieties and are cheap and durable. With a little imagination you can transform them any number of ways. The pound/dollar shops usually have a selection, or of course just search ebay/Ali Express

http://www.ebay.co.uk/itm/Eyewear-Eye-G ... sckAnHg4eQ

http://www.ebay.co.uk/sch/i.html?_from= ... se&_sop=15

Image
Lots of novelty options. :D
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HexTank
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Re: Any source for project boxes for boards?

Postby HexTank » Tue Jan 10, 2017 12:45 am

Lmao. You're ever so unorthodox when it comes to electronic receptacles. :lol:


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