Products > Test Equipment
DIY Logic Analyzer Probe and Pods for Siglent (and LeCroy) scopes
oz2cpu:
one of my friends said also look inside HDMI and Displayport cables, they should also contain 4 twisted pairs and a bunch of thinner single wires,
however i dont like to trash this type, since we use them for our PC stuff,
VGA cables are no good, the video wires are too thick and there are only 3 of them, and the rest of the signal wires are too thinn, for this project,
but could be perfect for other projects, so have a look in the electronic dumpster near you :-)
mawyatt:
Nice :-+
We've used some Cat5 cable before which is small (~AWG 26) twisted pair but this was for precision analog use, it's solid copper and much too stiff for probe use. The 3M flat twisted ribbon type is smaller with AWG 28 wires (stranded) and flexible.
Best,
natman69:
I agree that ethernet solid cables are too rigid for probe use but they can come also in stranded and very flexible versions with AWG 24-26. They are cheap and available in every shop.
Will this DIY probe be available as a kit? Any plan to sell it to eevblog users?
Anyway, really thank you for sharing this project!
oz2cpu:
>Will this DIY probe be available as a kit? Any plan to sell it to eevblog users?
sure, see post 1
it is actually just PM me if interested :-)
right now the first few kits are send out,
during next week the design is expected to be fully approved
and i start shipping the rest, i still have pcb's stocked
i sell them real cheap .
have you smd parts ?
solder skils ?
3D printer ?
if not I can help with that too, for a little extra fee,
but the cables and test hooks, you need to get and solder your self.
YES Ethernet cables do come in flexible cores, but they are still a bit too thick
and to my experience not that good for soldering, the plastic melts too easy
oz2cpu:
latest news, only a few are left now :
All the 3 loose pcbs = 10$
(the 4 layer scope pcb is sanded to correct connector end angle)
option, all the smd parts and the pin rows mounted, add 10$
option, all the 3D printed parts and screws, add 10$
(STL files are for free, incase you got a 3D printer or know one locally)
postage 5$, untracked, no insurance.
twisted pair cables, not included
(i recommend to use DVI cables, perfect diameter for the job, cut all wires exactly 50cm long)
twisted pair soldering, you need to do this your self.
test hooks with small female connectors, not included, see ebay and similar.
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version