[WIP] MintyPi build from exodus

Show off your completed mintyPi, or post your build logs here!
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exodus
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[WIP] MintyPi build from exodus

Post by exodus » Thu Jul 13, 2017 9:19 pm

Greetings MOD's

Here's my little corner for my little project. Looking forward to building it! Finding time will be the main challenge between kids, work, family time and house related priorities etc). :mrgreen:

Parts list (leveraged from wermy's http://www.sudomod.com/wiki/index.php?title=MintyPi):
1. Tin (from adafruit, next tin will be Altoids)
2. Pi Zero W (from adafruit)
3. MicroSD card (Costco - they have a nice two pack)
4. Wermy's 3D printed parts
5. Screen, PCB base and PCB for screen from Helder
6. USB sound card (eBay)
7. Speaker (eBay via China)
8. Powerboost 500C (adafruit)
9. 1200mAh lipo (adafruit)
10. buttons and conductive pads (adafruit)
11. Power switch (adafruit)
12. Tactile switches (adafruit)
13. Screws (Wermy)

Collection of parts:
IMG_0688.JPG
IMG_0688.JPG (1.79 MiB) Viewed 3675 times
That's all for now and likely all I'll get to until after SDCC17.
Last edited by exodus on Wed Aug 02, 2017 2:51 pm, edited 1 time in total.

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Re: [WIP] MintyPi build from ClonemyPi

Post by exodus » Tue Jul 18, 2017 3:23 pm

Mod team, can we please move this topic to mintypi show off corner? thanks


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Re: [WIP] MintyPi build from exodus

Post by exodus » Sat Aug 26, 2017 5:26 pm

Back at it after waiting for parts and tools. Sound card successfully disassembled
soundcard.jpg
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Re: [WIP] MintyPi build from exodus

Post by exodus » Sun Oct 22, 2017 5:35 pm

Hi,

Long time no post :lol: Terrible how life gets in the way of projects. However, last night I able to put some work in!

I was working on through hole soldering my Pi Zero to the PCB board. I wasn't have much luck with validating good contacts with my multimeter. For reference I'm using a Weller WESD51 iron and pen with their small/smallest tip 1/32 ETO or 0.01 ETS. I'm also using Kester "245" 63/37 0.015" diameter solder. My method was drip some solder into the hole and then push the tip in to drive it done and keep repeating. I believe I had one solid contact. After some frustration, I decided to game and unscrew the Pi to see if any solid connections were made. To my surprise the PI lifted off clean! So I was never making any real contact.

So, comments please, what am I not doing correctly? Pics for reference of the boards. Thanks team!
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Re: [WIP] MintyPi build from exodus

Post by dryja123 » Sun Oct 22, 2017 5:51 pm

What temp are you soldering at? I use the same station and the same tip at 600f. You should drip solder into the hole you should feed the solder into the hole. Once you have solder in the hole stick the tip in (giggidy) leave it there for a second, wiggle, and pull out. Flux helps too.

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Re: [WIP] MintyPi build from exodus

Post by exodus » Sun Oct 22, 2017 9:58 pm

Thanks. The increased temperature worked well. Appreciate the suggestion. I was able to connect up a PCB and pi easily this evening! Thanks @dryja123

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Re: [WIP] MintyPi build from exodus

Post by exodus » Sun Oct 29, 2017 4:59 pm

Hi, made a bunch of progress over the last two evenings. I also encountered a problem that I was able to debug. Sorry for the lack of pics, I just kept working.

I had finishing soldering the PiW to the PCB and was attempting to test the screen. Initially the cable wouldn't sit in place. I realized I had one too many layers of tape that was preventing the cable for sitting deep enough for the latch to catch it. On my first power up I was receiving a partial white screen but it flickered on and off. I removed the ribbon cable and spent a bit of time really focusing on aligning the pins. That did the trick, the screen successfully powered on, and I was able to use the membranes to navigate and power down the Pi via emulation station.

So, I will stress to anyone having screen issues, to pay attention to the ribbon cable placement. This really only applies to Helder screen 1.0 as the newest version is already attached.

Progress: Sound card all wired up. Wired up the speaker and power supply and switch. Test fitted the buttons and shaved the 3D parts as needed.

Next to do: wire up battery to power and switch and install. Install buttons, screw down PCB, add screen, screen down 3D part. Test again

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