Electronics > Projects, Designs, and Technical Stuff
small ISP connectors
IDEngineer:
If you want a commercial, lowest possible PCB real estate solution, take a look at Tag-Connect's board edge system:
https://www.tag-connect.com/product/ec-06-pcb-edge-connector
This consumes nearly zero surface area. Its downside is increased cost of PCB fabrication for the castellated edge. Here's the board layout:
SiliconWizard:
--- Quote from: IDEngineer on March 10, 2020, 04:21:53 pm ---If you want a commercial, lowest possible PCB real estate solution, take a look at Tag-Connect's board edge system:
--- End quote ---
Nice, hadn't seen this version of Tag-connect yet.
ataradov:
It is pretty flimsy and the pin that holds the board breaks that tiny PCB part away very easily. I would not use that for any sort of field handling.
Amper:
Yes, thats not really field stuff, but nevertheless interesting and nice to know, it could be useful otherwise. I could also imagine making some different sort of board cutout that will make it captive and use the edge. One downside will be higher board price if i remember correctly, they want more for cut in half plated areas.
I got the tag-connect cable today and i have to say, im very glad i did it, it wasnt cheap @25€+shipping from ebay but no complaints quality wise and it really is small. Now i just have to hurry to get my boards done, i want to try this thing asap :D
cgroen:
--- Quote from: Amper on March 10, 2020, 05:11:57 pm ---Yes, thats not really field stuff, but nevertheless interesting and nice to know, it could be useful otherwise. I could also imagine making some different sort of board cutout that will make it captive and use the edge. One downside will be higher board price if i remember correctly, they want more for cut in half plated areas.
I got the tag-connect cable today and i have to say, im very glad i did it, it wasnt cheap @25€+shipping from ebay but no complaints quality wise and it really is small. Now i just have to hurry to get my boards done, i want to try this thing asap :D
--- End quote ---
Amper,
you are right, they are not exactly cheap! When I order them, I usually get 5 at a time. But! This was until I made a little trick, I now place a piece of heatshrink on the Tag Connect right where the flat cable exits the black plastic. I have had a tendency to put pressure on the cable there when programming a bunch of boards, this will at some point wear the cable out. By placing the heatshrink this problem is now completely gone :)
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