Adafruit
Pogo Pins Crown Head (10 pack) [P75-H2]
Pogo pins are little spring-loaded contacts, very handy for making jigs, or making momentary (but electrically solid) contacts. We use them by the dozen for ...
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Pogo pins are little spring-loaded contacts, very handy for making jigs, or making momentary (but electrically solid) contacts. We use them by the dozen for making programming and testing jigs but they're handy also if say you want to JTAG program a board that you cant solder headers to - just shove these thin contacts into a 0.1" pitch IDC programming cable and press it onto the contacts.
These particular pins are (in our opinion) ideal because they are skinny enough to fit into most proto board or perf board - they have a 1.0mm/0.04" diameter body (the gold part) but the spring contact head is 1.3mm (0.05") wide. The uncompressed length is 16.5mm/0.65", compressed is 14.2mm/0.56"
Check out our tutorial on how we make pogo-pin jigs!
Jargon buster
Plain-language definitions for the technical terms used above.
- Headers
- Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
- JTAG
- JTAG is a hardware debugging and programming interface used to inspect and control chips at a low level. It matters for advanced development because it can help diagnose firmware problems that are hard to see through normal serial output.
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