From: jeroen@nospam.please   
      
   On 12/20/25 11:56, Arie de Muijnck wrote:   
   > On 2025-12-19 09:05, Jasen Betts wrote:   
   >> On 2025-12-13, Christopher Howard  wrote:   
   >>> I started playing around with deadbug and found that it is convenient   
   >>> and not as difficult as I imagined. However, I am wondering what to do   
   >>> as far as connectors, i.e., if I have a few lines coming in from off the   
   >>> board, but I don't really want to clip them right onto the IC pins or   
   >>> component wires.   
   >>   
   >> for structural stuff "silver" paperclips are good.   
   >>   
   >>> Does somebody have any good ideas for me? Maybe is   
   >>> there some kind of terminal post out there that can be soldered onto the   
   >>> ground plane, without actually making an electrical connection to it.   
   >>   
   >> 10M chip resistors might work for some tasks.   
   >>   
   >>> Or, maybe one that could be screwed into the copper (after drilling)   
   >>> without making an electrical connection to it? Or maybe something else   
   >>> involving quick connectors or other nice connectors. I'm basically   
   >>> wondering what kind of connectors I could mount on the copper sheet   
   >>> without having the connector conducting to the copper.   
   >>   
   >> If you use a connector that has a shell (like USB or DE9) you can   
   >> often solder the shell to the board (or to paperclips etc)   
   >>   
   >> some connectors have mechanical support pins that do not connect   
   >> electrically.   
   >>   
   >> sometime I push the end pind back throuh a pin header and solder them to   
   >> the ground plane   
   >>   
   >> 5-minute epoxy glue is non-conductive. Hot glue is less rigid but faster.   
   >>   
   >   
   > Instead of 10Mohm it is better to use e.g. 0.1pF SMD capacitors as   
   > standoffs.   
   >   
   > 100pcs 0603 SMD Capacitor ±0.25pF 50V COG 9.1pF 9pF 8.2pF 8pF 6.8pF 6pF   
   > 5.6pF 5.1pF 5.0 4.7 4 3.3 3 2.2 2.0 1.8 1.5 1 0.75 0.5pF - AliExpress   
   >   1000 pcs for EUR 11 including shipping to NL. USA may be more   
   expensive depending on the king's mood.   
   >   
   > Arie   
   >   
      
   0.1pF is about twice the capacitance of a single PCB pad for a 1206   
   SMD footprint on ordinary double-sided FR4. One wonders why such   
   small values even exist.   
      
   Jeroen Belleman   
      
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