Part Ninja DIY build

A place to document your own projects.

Part Ninja DIY build

Postby mikelelere » Mon Oct 01, 2012 5:29 am

Hi,

I've just finished building the Part Ninja v1 on a perf board. It's a little nice tool, and it's great for identifying different BJTs and MOSFETS apart from other parts. As shown in the picture, I've not implemented the auto shut-off circuit (I do not need it anyway). Currently, I'm trying to figure out how to add ESR measurement capabilities to the board. I'll keep you posted...
Attachments
ninja.jpg
mikelelere
Newbie
Newbie
 
Posts: 29
Joined: Fri Jul 27, 2012 6:42 am

Re: Part Ninja DIY build

Postby arakis » Mon Oct 01, 2012 7:38 am

Nice one :D Plz do share your findings
best regards FIlip.
arakis
Crew
Crew
 
Posts: 1044
Joined: Wed May 25, 2011 11:15 am
Location: Belgrade, Serbia

Re: Part Ninja DIY build

Postby mikelelere » Thu Oct 25, 2012 1:42 am

I've populated the free Part Ninja v1 PCB I received from Dangerous Prototypes. Unlike the one I built from scratch in a breadbord, this one can also be used to probe and identify tiny SOT-23 transistor too! I do love this little handy tool. Thanks DP for the free PCB!

I'm still working on adding ESR capabilities to the Part Ninja I built in the breadboard. I'll post here any progress.
Attachments
IMG_20121024_220748.jpg
mikelelere
Newbie
Newbie
 
Posts: 29
Joined: Fri Jul 27, 2012 6:42 am

Re: Part Ninja DIY build

Postby arakis » Thu Oct 25, 2012 2:07 am

qool build, thanks for sharing.., btw keep in mind that if the version you got is not v1c the battery power option will not work...
best regards FIlip.
arakis
Crew
Crew
 
Posts: 1044
Joined: Wed May 25, 2011 11:15 am
Location: Belgrade, Serbia

Re: Part Ninja DIY build

Postby mikelelere » Thu Oct 25, 2012 3:18 am

Yes, I knew in advance that the battery power option would not work unless the board was v1c, Thanks for the info anyway. However, there was no v1.c PCB version left in the free PCB drawer. What are the differences between v1.b and v1.c? Perhaps I can "patch" the build to get it working with the battery...
Last edited by mikelelere on Thu Oct 25, 2012 3:26 am, edited 1 time in total.
mikelelere
Newbie
Newbie
 
Posts: 29
Joined: Fri Jul 27, 2012 6:42 am

Re: Part Ninja DIY build

Postby arakis » Thu Oct 25, 2012 3:22 am

mikelelere wrote:Yes, I knew in advance that the battery power option would not work unless the board was v1c, Thanks for the info anyway. However, there were no other boards left in the free PCB drawer. What are the differences between v1.b and v1.c? Perhaps I can "patch" the build to get it working with the battery...

I messed it up preatty bad, so the patch would look like a big mess of wires...(other diffrences are only related to the silk, it's no longer upside down compared to the LCD....the v1c battery power hasn't been tested yet or implemented in the firmware, so you're not losing much....
best regards FIlip.
arakis
Crew
Crew
 
Posts: 1044
Joined: Wed May 25, 2011 11:15 am
Location: Belgrade, Serbia

Re: Part Ninja DIY build

Postby mikelelere » Thu Oct 25, 2012 4:54 am

Thanks for the info, Filip. I'll follow your advice and will leave it as it is. It is working great, and frankly, I'm unsure whether I would be powering it from an external battery, it was just for fun ;-p

BR,

M.
mikelelere
Newbie
Newbie
 
Posts: 29
Joined: Fri Jul 27, 2012 6:42 am

Re: Part Ninja DIY build

Postby JanW » Tue Jan 29, 2013 4:46 pm

I just wanted to show off my new Part Ninja, built on perfboard:

Image

...testing a BS107 low power MOSFET.

Image

I used a DIP40 package variant of the '4550, it's completely hidden below the display module. Everything is held together by M3 bolts.

Image

The connections were made with enamelled copper wire AWG 28. The lacquer is burned off by tinning it with a very hot soldering iron (400 ° C). The fumes are pretty aggressive, I guess a fume extractor won't help much, you'll need a gas mask :)

I've left yome space for future additions.

BTW, I've made some component changes to fit what I had laying around: I used a LM385-2.5 shunt reference with a 4.7 k series (current limiting) resistor instead of the original Maxim part and a LP2950 voltage regulator.
Jan
JanW
Newbie
Newbie
 
Posts: 27
Joined: Tue Jan 18, 2011 6:50 am

Re: Part Ninja DIY build

Postby arakis » Wed Jan 30, 2013 4:41 am

great build, You could have also just used 2 same resistance resistor to make a voltage divider for the reference... as the charging is made through VCC, and since VCC fluctuates, the VCC/2 would do just as good of a job as a fixed reffrence..

Great to see the project built. Let us know if you run into any bugs..
best regards FIlip.
arakis
Crew
Crew
 
Posts: 1044
Joined: Wed May 25, 2011 11:15 am
Location: Belgrade, Serbia

Re: Part Ninja DIY build

Postby presslab » Wed Jan 30, 2013 10:03 pm

Nice job! This is a pretty awesome project.
presslab
Newbie
Newbie
 
Posts: 37
Joined: Sun Dec 16, 2012 7:33 pm
Location: British Columbia

Re: Part Ninja DIY build

Postby Speleobot » Tue Mar 26, 2013 10:24 pm

Sorry to ask such a n00b question, but where is the PIC code hiding? Can't seem to find it in the SVN and thought I would give this protoboard version a try.
Speleobot
Newbie
Newbie
 
Posts: 1
Joined: Tue Mar 26, 2013 9:29 pm

Re: Part Ninja DIY build

Postby arakis » Wed Mar 27, 2013 2:59 am

Speleobot wrote:Sorry to ask such a n00b question, but where is the PIC code hiding? Can't seem to find it in the SVN and thought I would give this protoboard version a try.


Hi, the code is in the Part-Ninja folder of our SVN
http://dangerous-prototypes-open-hardwa ... art-Ninja/
best regards FIlip.
arakis
Crew
Crew
 
Posts: 1044
Joined: Wed May 25, 2011 11:15 am
Location: Belgrade, Serbia


Return to Project logs