Those of us familiar with PCB work would agree that anything that helps hold probes secure and hands-free to components, traces, or test points is worth looking at. That’s where [2048bits]’ snap probe design comes in. With a little additional and inexpensive hardware, one can have all the hands-free probe clamps one’s workbench can fit!
That first link is where you’ll find a list of required hardware and the CAD files (in .step format) for the probe itself. The obvious approach to making the pieces would be to 3D print them, but we notice the design — while attractive — looks like a challenging print due to the features. We’re not the only ones to see that, and happily there’s already a remix by [user_2299476772] aimed at keeping the essential features while making them easier to print.
If you’re taking a DIY approach to PCB probes, we’d like to remind you that one of our readers discovered dental burrs make absolutely fantastic, non-slip probe tips. This seems like a good opportunity to combine two ideas, and having the CAD files for the probe clamp means modification is straightforward. Let us know on the tips line if you get something working!
[via Hackster]
Great pointers. Time to upgrade from hacked clothespins.
I recently found out surgical towel clamps are great for holding standard oscilloscope probes. Weightier than a plastic equivalent and not much more expensive
That looks ugly! I print something like this with a bottom that is Lego compatible. So I can install my board with some special printed stoned on a lego board and the needle holder on lego, too but with a magnet foot so I can move it a little. Sorry can’t add a pic her…
Too bad there’s no way to 3d print springs and fasteners.
I think it’s very hard with these to probe on both sides of a pcb. These probes can’t be used if your pcb is still in an enclosure. These probes don’t provide a return path for ground, so very low frequency use only. Sensepeek solves some of these issues, but I still prefer soldering wires to my PCb.
I love the idea but after downloading the models and looking at it, I think this will be hard to make work. I’m going to play with the idea a bit as I need this sort of thing for most of my projects.
Also, more info on the spring would be greatly appreciated – source or even a description.
search for contact probes at mouser, digikey, alieexpress, …
You will find houndred of them in different size or shape.
The model is designed for a specific size and type of probe, it’d be really nice if there was any information on exactly what that is, instead of forcing people to reverse engineer the design or buy a bunch of options just to discard the wrong ones.
I find HP style probe clips great for components with legs. If forced to debug something using SMT technology, to be honest I find it easy enough just to tack wires on to points of interest. 30awg silver plated kynar covered wire (that I used to call wire wrap wire) works very well. Use the same HP style probe clips to join on the other end. Cut wires different lengths so the ends don’t bump into each other.