Don't know how the cost compares with Jim's but all things considered those look like probably the best solution.
So many choices for Steve... ;-) m On Sat, Feb 27, 2021 at 4:56 PM Jeffrey Birt <[email protected]> wrote: > Those are basically a fancy shaped Arduino header pins. I just bought 200 > 8-pin, long stackable Arduino headers for $21.95 delivered which comes out > to $0.014/pin. The pins I get are just a shade larger than IC pins in both > directions and work in both normal leaf sockets and turned pin sockets. > > > https://www.ebay.com/itm/200x-Arduino-8-Pin-Stackable-Female-Shield-Headers-Tall-Breadboard-Stacking-USA/150721147532 > > > > Jeff Birt > > > > > > *From:* M100 <[email protected]> *On Behalf Of *MikeS > *Sent:* Saturday, February 27, 2021 3:47 PM > *To:* [email protected] > *Subject:* Re: [M100] low profile pcb pins > > > > Our friend Al K suggested some "Flip Pins' in response to Steve's query on > VCF; they look interesting, $.09/pin: > > > > https://www.evilmadscientist.com/2016/fliptronics-flip-pins/ > > > > m > > > > > ----- Original Message ----- > > From: "RETRO Innovations" <[email protected]> > > To: <[email protected]> > > Sent: Saturday, February 27, 2021 3:19 PM > > Subject: Re: [M100] low profile pcb pins > > > > > On 2/27/2021 12:20 PM, Mike Stein wrote: > >> Yeah, many people use those for this application and I even have some, > >> both DIP and SIP, but the thickness of the pins on the ones I've been > >> able to find is more than an IC leg and they don't fit well into > >> machined pin sockets; are yours thin enough? > > > > I feel they are. And, they fit into machine pin sockets. > > > > I've used them in commercial products for 15 years, and no complaints, > > even after folks reverted back to non machine pin ICs. > > > > I don't think one has to be exactly as thin as an IC pin (they make IC > > pins just thick enough to handle the force of pushing into a socket, no > > more :-), but rather no larger than the expected width a leaf socket > > expects. > > > >> > >> And I don't use the component carriers as is; I extract the pins while > >> watching a baseball game or some other mindless distraction and then > >> insert them from the top through the pcb, trimming off the forks after > >> soldering. Admittedly, I wouldn't want to do 100 pcbs in one sitting > >> that way... > > > > Yeah, I can see that as viable for very small batches, but I get ROM > > adapters and such assembled in batches of 100 or 200 at a time. The > > cost to handle it that way would be prohibitive to the hobbyist nature. > > > > I do agree the regular square pins available at most electronics > > connector houses are too wide, they spread the leaf socket out too > > much. As has been noted, the cheaper Arduino male-female headers you > > can buy on eBay work great as well. They are about .1mm thicker than > > the IC pin thickness. > > > > Jim >
